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  1. 57 points
    Imaged with my AG12 and H35. A massive task to tame Alnitak, it took over 12hours to process this one. Exposure times were 4x900s in H-alpha, 4x900s in Red, 4x820s in Blue and 4x640s in Green. Processed in Photoshop and Lightroom. Comments welcome thanks for looking
  2. 52 points
    What a fabulous night it was last night (Saturday 6th Oct) Everything worked flawlessly with no issues except for one green channel getting trashed from high cloud, that passed pretty quickly and I was able to continue. This shot is a simple RGB image, I do have plans to get some more data including Luminance and Ha to enhance the H2 regions. Im quite please with the core detail. Exposure time 7x 900s in Red, 7x640s in Green and 860s in Blue. Taken with my AG12 and H35 camera Click to view full res image Thanks Peter Shah RGB Managed to get 4hours of Ha 900s subs....click for full res version RGB and H-alpha
  3. 51 points
    I'm still dizzy after processing this one for each LRGB filter. Comet 21P meets open cluster M37 in the night/morning of 10/11 September, at perihelion. This is a combination of 60s x 30 x 4 subs, taken through the SW130PDS with an ASI1600MMC. https://www.astrobin.com/366252/ No deconvolution applied, only noise reduction. About the remaining noise?! ... yes, please. Unfortunately the light pollution at home didn't let me record more. Thanks for watching and clear skies! Alex
  4. 50 points
    Well no surprise this was coming next after the M81 and M82 recently published (total 103 hours data from RCOS, AP RH and OS RH - the latter used as the base frame onto which the objects were placed) - think this concludes my look at this area. C&C welcomed, if not hope you like.
  5. 49 points
    First time I have a proper go at some astro with my nifty fifty lens. Canon 600d full spectrum, ISO800, 50mm f1.8 lens stopped at f4, 10x600sec guided on my eq3 pro mount. I love how it came out.
  6. 49 points
    Hi, It's been a long time since the last time I posted anything here. I was mostly into deep sky shots back then but planetary imaging has taken over. I've been making mirrors and scopes over the last two years with a goal of making a good big planetary scope ready for Mars in 2018. That scope may end up being my current 20" f3.8 tracking dob or it could be a 25" or 30" version if get around to it. For now the 20" is doing well. So here's a few shots. equipment: 20" f3.8 traking dob, ASI224MC camera, ZWO ADC, 5 x powermate. 5/2/2017 Derotated Jupiter by Raymond Collecutt, on Flickr 3/3/2017 Jupiter 2017-03-03-1337 by Raymond Collecutt, on Flickr
  7. 45 points
    With M42 already near the meridian at nightfall we brought all three rigs to bear on it for this one. The dual Taks did the widefield, one on RGB and the other on luminance. We had three hours, so they collected 6 hours' data. Meanwhile I thought I'd set us a processing challenge by shooting the Trapezium short subs only in the TEC 140 to save time and gain resolution on the bright nebulae. This did make the layer masking of the shorts a bit harder but the resolution gain was considerable. Shorts were 15 seconds in RGB and 60 seconds in LRGB. This was done with one of our present guests, Mike. Transparency was good but the seeing was on the poor side. Cameras were 2xAtik 11000 and 1x SXVH36, full frame monos. Mounts were Mesu 200 for the dual Taks and Avalon Linear for the TEC. Processed in AstroArt, Registar, PI and PsCS3. Crop: Olly
  8. 43 points
    First one of the year, folks. We've had a cracking run of skies and I did this over the last four nights in what's now the single Tak 106, since Tom's camera has moved next door to his new robotic shed. Mesu 200/Atik 11000/Baader filters. Luminance 20x15mns, RGB 9x10mns per colour, Ha 13x20 mns. Total just short of 14 hours. This target is beset by challenges. There is a veritable air display of satellites in this region, each sub copping four or five. Then there were off shot flares blazing across two parts of the image. We had great seeing for the first two nights but then set two new world records for bad seeing after that. Never seen anything like it. FWHM went from 0.88 on night 2 to 2.3 on night 3! Fortunately I got the L on the first two nights so soft colour wasn't too hard to deal with and there is no fine detail in the Ha. (The Ha gives the image a real lift but is incredibly faint. Had anyone seen what I had to do to get it into the image they'd have notified the Police.) Anyway, enough excuses. Here she is... Olly
  9. 41 points
    My wife Janie is very heavily into cross-stitch and produces beautiful work from photographs (normally dogs!) using patterns that I produce for her using special software. Her latest project is from one of my deep sky images and one of her favourite objects, the Orion Nebula. The 'resolution' is a pretty appalling 216 x 216 stitches but when hung on the wall and viewed from about four feet away, it will look like a photograph. As usual, I have produced a mock-up for her showing literally every stitch that will be sewn using 82 different silk colours! For the fun of it I will post up WIP images but here is the mock-up for starters (the image might need to be clicked on to show the stitches rather than just an interference pattern!):-
  10. 40 points
    Well, I couldn't find another image of NGC4157 on SGL so it's obviously not that popular a target ! The galaxy is located in Ursa Major about 56million light years from Earth and is approximately the same size as our own Milky Way. It is receding from us at 774 km/s. From Earth you see it almost edge on, however, a little of the core detail is visible. Three supernova explosions have been recorded in this galaxy. Processing this galaxy was less than straightforward due to the fact that it has a low surface brightness but it is also surrounded by bright blue stars. The LRGB image below represents 14.5 hours integration time and was taken with my Esprit 150. I've also attached an annotated version for the background galaxy fuzzy hunters. I hope you like it ! Alan LIGHTS: L:29, R:20, G:19, B:19 x 600s, DARKS:30. FLATS:40 all at -20C.
  11. 39 points
    Finally, half a clear night and I had my second chance to learn to master the Mesu mount. Put the Esprit 150 on it with the ASI 071MC at the camera end (gain 200, offset 30, -15°C). After a bit of fighting with the software running the mount (I thought I remembered how to do it but had finally to read the manual again), I started imaging at 21.30. At midnight clouds moved in so I only got 2.4 hours of data (29 x 5 min). Still, I caught a lot of galaxies, the three larger ones being NGC 4725, 4712 and 4747. Seeing was probably relatively poor since I was far from the Mesu guiding curves people post. Mine was around 1.0" RMS. Stacked and annotated in PI, processed in PS. It may be clear on Monday night and my plan right now is to collect lum using the Esprit 150 with a 0.79x TS reducer (so f/5.5) and my ASI 1600MM. Will give a very similar FOV and pixel scale. Comments and suggestions wecome of course!
  12. 39 points
    Warning, long boring bit at the beginning. Just as I was about to head off to bed last night/this morning I noticed a nice bright display of NLCs sandwiched between the regular clouds out the bedroom window...looked very promising...typical though since I hadn't expected much since it had been raining earlier and there was a thick blanket of cloud no less than 20 minutes earlier. My NLC imaging rig had been on standby for for ~4 weeks however it was in "macro" mode, as I was trying to capture a Jumping Spider that I had spotted in the house in the afternoon, which subsequently disappeared before I could even get a record shot. Anyway, I hastily grabbed the bits I needed, head torch, tripod, shoes, fleece, camera, lens, phone, half of which I didn't take with me the last time I imaged NLCs from this location. Other than the head torch not working properly (battery contacts), most things were looking good by the time I got to the top of the hill, that was until I was greeted by a herd of cows...they are meant to be fenced in, but they are free to roam a much wider area as the fences between the pastures have long been flattened. So at least I had company, even though I wish they weren't there as they were quite interested in my tripod. Plus there were some skittish/boisterous young about and of course protective mothers...but I braved it anyway, and a bonus is that I managed to avoid all the cow pats. The view wasn't great initially but after about 45 minutes, just as hypothermia was about to set in, the clouds started to clear and what I got to see over the next hour or so the best NLC display I have ever seen, absolutely awesome. Eventually I had to give up as I was absolutely frozen by the blasting wind and the fleece I was wearing was not doing much to help, plus I was pretty tired and the cows were getting angry. I foolishly took a 135mm and a 16-35mm lens, a big mistake. There's a huge gap in that focal length as previously I was using a cropped camera but now on a full frame 35mm was just too wide, it was okay at 16mm to get the entire NLC FOV in but then there's not much detail and a lot of foreground and black sky. Luckily the tripod has got a panning head attached so I imaged this with the camera in "portrait" mode to capture as much of the sky as possible and the final image comprised 15 frames. Well enough about that, just one word...Be Prepared Canon 5D Mark III @ ISO400. Canon 135mm f/2 L @ f/7. 15 Frames @ 3.2 seconds per frame. Manual Exposure Mode with remote shutter release. Manfrotto 410 junior geared tripod head. Hugin to create and stitch the panorama. Thanks for looking! Click on the image for a larger view... Leeds Noctilucent Clouds by Stuart, on Flickr A single frame from above:
  13. 38 points
    SkyEyE Observatory Ts130 f6.6 +reducer G3_16200 Frames: R 24x300" G 24x300" L 75x300" R 25x300"
  14. 37 points
    This was guest Paul Kummer's idea, and an excellent idea it was! We dedicated the TEC140/Atik 460/TEC140 to the object, which is not all that much photographed, and added captures over 7 June nights as we got to grips with the processing. We went for a lot - really a lot - of colour and found that the Ha reached a certain point and didn't benefit from much more. There are about 24 hours data in this result and, at some point, I'll try a processing restart from scratch because this is a target apart from the norm. Check it out in fuller resolution. (This is a crop.) I think the object is sensational. Olly and Paul.
  15. 37 points
    Update 16th June: I could not wait to tell people that I was just notified that my image of Omega Centauri will be published as a future NASA's Astronomy Picture of the Day ( APOD ) - my first ever I will update the thread when they publish. ................................. A deep look at Omega Centauri ( NGC 5139 ) This image is an attempt to look deeply into the the Omega Centauri globular cluster by using HDR techniques to record as many faint stars as I can whilst retaining colour and detail in the bright stars, including at the core ... ............. Reprocessed to bring out more faint stars and to produce a smother transition between brightness levels. New version ( 12 June 2017 ): Omega Centauri ( NGC 5129 ) ( please click / tap on image to see lager and sharper ) .......... Old version: Omega Centauri ( NGC 5129 ) ( please click / tap on image to see full size and sharper ) Image details: from www.nova.astrometry.net: Size: 58.6 x 39 arcmins, Centre: 13h 26 min 50.4 sec, -47deg 28' 39.1''. Orientation: up is -89.9 East of North ( ie. E^ N> ). Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ). Corrector: ASA 2" Coma Corrector Quattro 1.175x. Effective Focal Length / Aperture : 1410mm f4.7. Mount: Skywatcher AZ Eq6 GT. Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 . Camera: Nikon D5300 (unmodified) (sensor 23.5 x 15.6mm, 6016x4016 3.9um pixels). No filter Long Exposure noise reduction off Location:. Blue Mountains, Australia. Moderate light pollution ( pale green zone on darksitefinder.com map ). Capture: 9 sets of sub-images with exposure duration for each set doubling ( 1s to 240s ) all at ISO800. Processing:. Calibration: master bias, master flat and no darks. Integration in 9 sets. HDR combination. Pixinsight May 2017
  16. 37 points
    With our current imaging guest, Mike, we set the TEC 140 onto this classic target and collected 7x10 minutes per filter in LRGB. We already had a slightly longer capture from a previous shoot, so combining them (Registar!) gave us this roughly 11 hour version. I don't know how much better we'd get with more data but I'm happy to give you this version as a full size JPEG. Click on the image, go to Full Size (lower left) and then click the Plus icon to see what you think of the full. I really enjoy imaging this part of the sky but find it strange and distinctly different from nearer and younger regions. Olly
  17. 36 points
    Hi everybody. My backlog on processing is gigantic, but i've gotten round to finishing M1. I always loved this target, but never tried, as i knew with my ED80 and a fairly wide view i would not see much. But i sett off and got 15 hours of SHO-data and processed the monkey out of it to get anything clear (my skies are dark, but not crisp). Obviously this will never compete with somebody with a 2000mm focal length but you got to do with what you've got, right? First time i'm publishing a picture with narrowband stars, but as there's not nebula, throwing the star color away looks strange, and replacing the narrowbandstars with rgb-stars also seems wrong, as you're mixing 2 color palettes. This is heavily cropped (probably half of my fov) I've got the feeling in my mambo-jambo processing i broke some color balance, as it doesn't look anything close to the majority of the M1 pictures i've seen, especially the strong OIII on the left lower side. I checked multiple times, but thats how it seem to be in my subs. Any thoughts welcome. Kind regards, Graem
  18. 34 points
    I've been going to star parties for about 10 years now and more recently have taken up time lapsing - partly to get around the lack of clear skies (time lapsing isn't as dependent on completely clear skies as regular astro-imaging is) and partly as it means less kit to cart around... although I now seem to have accumulated too much again. Attached is a time-lapse I've put together of several timelapses taken at Kielder Star Camp last year, spring and autumn, and this years spring event we've just had. Star parties are about the stars/astronomy of course, but are also social events (it's usually cloudy after all) and it' always great to catch up with old friends and make new ones. But... if the skies are clear get things get very busy! The most recent star camp was warm and sunny over the Saturday and Sunday (rather rare!). When it's looking pretty likely it will be clear everyone is out making sure their setups are working, batteries are charged and so on and there's usually a general sense of anticipation that builds as it gets dark. These timelapses show the red lights used by astronomers (red light doesn't ruin your night vision) and if you are sensitive to flickering lights maybe don't watch the time-lapse :) I hope you enjoy this... it's been enjoyable (albeit cold!) capturing the timelapses although processing them afterwards can be a time consuming pain ;) If you've got a fast internet connection its best to watch the time-lapse in at least HD (1080p) - 4K is better. Detaily stuff... Most taken with a Canon 6D, 25 second exposures at ISO3200 using a Samyang 14mm lens. Orion picture taken with an astro-modded Canon 650D. Processed in Lightroom with LRTimelapse. James PS Looking forward to the SGL star party in the autumn
  19. 33 points
    Rogelio Bernal Andreo pointed this one out: patches of dust near the Black Eye Galaxy (M64). I found this one quite difficult to process and I'm still not sure if I'm happy with the colours... There's a large difference in brightness between M64 and the lane of dust. Usually I try to keep away from local brightness adjustments, but this time I had to process M64 separately, because otherwise it would be completely overexposed. Captured last weekend from Grandpré (Ardennes, Northern France). Total integration time of 5 hours and 40 minutes. 5 minutes subs @ ISO 400. Takahashi Epsilon-180ED and Nikon D810a.
  20. 33 points
    Hello everybody, the requested M31 mosaic is ready Details: http://www.spaceimages.de/en/astrophotos/galaxies/m-31-mosaic or https://www.astrobin.com/378147/ Best viewed in full resolution. I hoppe you like it. Jens
  21. 33 points
    Rarely imaged Molecular Clouds in Cepheus: MBM 163 - 166 (Magnani, Blitz & Mundy), LBN 569 (Lynds' Catalogue of Bright Nebulae) and probably others... Centre of field: RA 22h12' DEC +81°10' Exposure time: 26 hours, 30 minutes (5 min. subs) Optics: Takahashi Epsilon-180ED f/2.8 Camera: Nikon D810a (ISO 400) Mount: Astro-Physics Mach1 GTO SQM: 21.4 - 21.7 magnitude/arcsec² Location: Izon-la-Bruisse, France Date: August 6, 8, 10, 11, 13 & 17, 2018 Data reduction / pre-processing with Astro Pixel Processor, post-processing in Photoshop CC. https://www.mauricetoet.nl/DeepSky/i-5Z9v6J4/A https://www.mauricetoet.nl/DeepSky/i-GgxGf8N/A
  22. 33 points
    Hello everyone! After a summer break from galaxy imaging, it was back to doing what I enjoy most in August! There were some fantastic clear nights throughout the month, and even though I missed about half of them due to working evenings, I still managed to rack up 16 hours on this target. I am particularly happy to have captured the tidal arms in the Quintet and a good deal of the outer halo of NGC 7331, which is also very bright down to the core and needed layer masking to control the very brightest parts while stretching. I also enjoyed quite a few of Ken Crawford's processing tutorial presentations recently, which gave me a couple of ideas to try out some new techniques, which turned out to be very useful, I would recommend them if you haven't watched them through http://www.imagingdeepsky.com/Presentations.html especially the ones on depth of field and digging out the detail. Imaged with all my usual bits of metal tube and mirrors and an Atik 460ex screwed in the back. capture was in SGPro, and image calibration and construction in Pixinsight. Processing completed in CS5. As ever I hope you like,
  23. 32 points
    Some of you might recall my Tardis Observatory. It was my first construction job on moving to my new home 3½ years ago, even though rebuilding the leaky roof and crumbling chimney stack were probably more pressing requirements. Anyway, the Tardis has never been quite right. It leaked everywhere and the doors never shut properly. So I've just done a big refurbishment: Thoroughly sealed the roof with black bitumen paint, double-glazed and sealed the windows, sealed all the gaps in the timber, repainted it and re-hung the doors, and put a black DPC skirt around the base to conceal the wheels. We had a fair bit of heavy rain last week, and it was bone dry inside for the first time since it was built. The lighting was all corroded due to the damp, so I've replaced all the lighting. Even the blue 'Police Box' panels on the side and the flashing lamp on the top all now light up! Here's the result. I know the finials on the corners are't really authentic, but I think they look nice, and they help keep out the damp. As you see, it's quite near the house and the west and north-west views are blocked, but south and east are good. In action:
  24. 32 points
    The Orion Nebula Last night observation of Orion Nebula. DAY: Saturday DATE: 23/2/19 TIME: 21:00 SCOPE: Dob 10px Sky-Watcher F.L.1200/f4.7 EYEPIECE: 24mm Explore Scientific F.O.V. 68° LOCATION:Mammari Thanks for looking
  25. 32 points
    Greetings! Today I will be sharing with you all, the coolest galaxy in the night sky: Messier 51- The Whirlpool Galaxy. I gathered a total of 17 hours of data (14hrs Lum, 3hrs RGB) under bortle 4.5 skies. This was a very quick process with the RGB but the color turned out exactly as I wanted it to. I may re process this again but I’m extremely happy with these results! This wasn’t supposed to be a project until late March or April but I just couldn’t help myself?. Hope you all enjoy one of our galactic neighbors Equipment: Astro-Tech 8rc (.82pix/") CEM60 gem Atik 414ex monochrome ccd QHY5L-ii autoguider Astrodon LRGB
  26. 32 points
    NGC7023 Imaged over two nights and plagued by satellite trails. Imaged before moon rise on Monday 29th and Tuesday 30th nights. Exposure times were 8x 900s in Red 8x 630s in Green 8x 820s in Blue. Tricky one to process, pushing it so close to the noise levels really brings out faint gradients. Processed in Photoshop. Click for full res but dont look too close ?
  27. 32 points
    Almost a month with no clear skies here in the south, but when I open up a little there I am capturing whatever is possible. Even having to get up at 6:00 a.m. did not resist and stayed until midnight to do this capture of Saturn. A photo with almost everything you have right, very visible tracks, Cassini and Encke Division, weak but present Ring C and even the famous polar hexagon. The snag was due to the excessive turbulence that caused the planet to jump too much and caused that edge ring where the north pole is lying in the Cassini Division, but nothing that greatly dismantles this beautiful astrophoto. I suggest to your colleagues to see the image in original size at this link: http://www.astrobin.com/full/298696/0/?nc=astroavani&real=&mod=
  28. 31 points
    My first attempt at NGC1333, which is a reflection nebula in the constellation Perseus. There's quite a lot going on in the LRGB image below which represents just over 14 hours integration time and was taken with my Esprit 150: a blue reflection nebula, dark dusty lanes and intense areas of star formation. These latter regions contain an impressive collection of Herbig Haro objects which are formed when narrow bands of very rapidly moving partially ionized gas, ejected by the proto stars, collide with by nearby gas and dust. I decided to run my customized Pixinsight annotation script over the image which revealed that it contains over 20 HH objects, given that about 500 have been discovered, this seemed quite a catch ! Alan LIGHTS: L: 38, R:15, G:15, B: 19 x 600s, FLATS:40, BIAS:100, DARKS:30 all at -20C.
  29. 31 points
    I would like to post a big thank you to a trustworthy & fellow astronomer. I recently placed an advert on both SGL and ABS UK to to trade My 17mm Ethos for one of three eyepieces that were of interest to me, and eventually I received response.......... Now if I am honest I did feel a little nervy abut sending my treasured Ethos to someone I didn't know and it did cross my mind if I would ever hear from them again after sending it to them. However, after a few exchanges of e-mails we both agreed on a swap and off I went to the post office. Today I received the eyepiece and I believe this is a wonderful example of something positive happening in a time when doing good seems not so common..... here we have two people sending two very expensive eyepieces across the channel based purely on integrity & trust in one another. In reality either one of us could have pretended that we had sent an eyepiece and thus just keeping the one we received I didn't know Sylvain was a member of SGL until he replied to a post I made about having a Leica zoom in the post..... this just goes to show that SGL is bursting at the seems with great people. I guess this is not really any different to paying someone selling an item and not receiving the goods, and I am sure is an every day event. Anyhow I thought I would post it because it made me feel good about the world. Thank you Sylvain
  30. 30 points
    The Headphones Nebula This project has tested me beyond all imagination. With much help from folk on here, I finally managed to get the EdgeHD 8" collimated, back spaced and functioning as well as possible. The weather has done everything it can to scupper me - I had a small snowy flood in the observatory and the QSI doesn't seem to like very cold ambient temperatures. Processing of the data has been a huge challenge. I have a fair bit of data, but this target is extremely faint, so I just don't have enough data to combat the noise. The image reminds me slightly of an impressionist painting, but hey, they can be quite nice! The target itself is an old planetary nebula some 1,600 light years away in the constellation of Lynx. It has the catalogue numbers of Jones-Emberson 1 and PK 164+31.1. It is only magnitude +14 or +15, sources vary, and given that it stretches across about 3 light years, it has a very low surface brightness. This thing is faint! The white dwarf star that remains after the explosion that created this nebula is clearly visible in the centre of the nebula and is extremely blue, almost turquoise, shining at just magnitude +17. Is this the ultimate fate of our own Sun? Something like this anyway and we certainly won't be around to witness it... by we I mean humanity! Technical Details Celestron EdgeHD 8" with 0.7x Reducer, QSI 683-WSG8, Astrodon 31mm filters, Mesu 200. Ha = 18 x 1800s OIII = 20 x 1800s RGB = 24 x 300s each TOTAL = 25 hours I could have done with a load more data really given how faint the target is and how slow my SCT is, but the Sky Gods have decided otherwise. It doesn't look like there will be any good imaging nights before the Moon comes back, so that is it for this project for now. I have done my best with the data I collected and am happy to let this one go now. I can't face any more time trying to tweak this and desperately trying to stop it being noisy. Damn headphones... Hope you like it and please do let me know what you think. Clear skies!
  31. 30 points
    My prayers and sacrifices to the Sky Gods were heard and answered - a window of clarity opened at around midnight last night and while the seeing was atrocious, I had to have a go at imaging 46P as it slipped past the Pleiades. This image consists of 75 x 60s with a Canon EOS 1Dx and 70-200mm lens at 200mm, ISO800, f2.8, tracked with a Star Adventurer. Shot between 00:19 and 01:37. I'm delighted to have got something of this part of 46P's journey, but I need to work on my comet / stars background DSS processing techniques as there is still a bit of streaking around the comet from the DSS stack. Anyway, I'm very happy to have been given the chance at this one.
  32. 30 points
    Located in the constellation of Pegasus and about 50m light years distant is the 11th magnitude ring galaxy NGC7217. Simulations indicate that the formation can be explained by the collision of a two galaxies: a compact galaxy with a larger spiral. However, today, it has no nearby companions and appears to float isolated in space. The LRGB image was taken with my Esprit 150 and represents just over 11 hours integration time. Alan LIGHTS: L: 26,R:13,G:11, B:17 x 600s. DARKS:30, FLATS:40, BIAS:100 all at -20C.
  33. 30 points
    I've been rather busy recently posting on the Skywatcher ED150 so I've just noticed that I have passed 40K posts on this wonderful forum today Many thanks to FLO, the admins and the mods for creating and maintaining this unique place to share our hobby. And thanks to the members here for putting up with me for 10+ years
  34. 30 points
    When I saw HST image Pillars of Creation (it's been over 20 years ago) I was totally impressed - both with the image and with its context. M16 Eagle nebula is not an easy target at my location. It crawls low above horizon and I needed to wait for some really good conditions to capture it - and it does not happen often. Bu the night has come at the beginning of July this year, and I managed to collect almost 2 hours of subframes with H alpha filter. Made with Meade ACF 10", AP CCDT67 telecompressor, QHY163M camera (gain 100), EQ6 mount, Ha alpha filter - 5 and 2 minutes subframes. Suburban sky, both seeing and transparency were good. M16 Eagle nebula centre - full frame Enlarged crop to Pillars of Creation Thanks for watching!
  35. 29 points
    Like the lunatic that I am, I decided to get the scope out last week during that storm that was passing through. The skies were clear and there was no moon about, so I figured why not! Only problem was the 17-20 mph winds, lol. I got 2 hrs of subs but had to throw away half of them due to guiding problems more so than the wind, amazingly. This was the 2nd time in a row i'd had Dec guiding problems, and that's after about 2 years of not having a single problem guiding. After the 1st hr of wasted subs, I turned off Fast Switching in Dec and chose to only Dither in RA, and the Dec problems mostly went away, at least to allow me to capture 1 hr of 'still dodgy but just about useable' subs. Once M42 disappeared behind the neighbour's roof, I then re-calibrated on the Celestial Equator (Dec 0) and when I switched to the Pinwheel Galaxy I was able to guide as normal again (with Fast Switching and Dithering in both RA and Dec both turned on again) and didn't lose any subs, despite the wind, so I've decided that from now on I won't be calibrating at the target itself, i'm always going to do it at Dec 0. I decided to throw this in with another 1 hr of subs (plus 10 x 30s for the core) that I took back in Jan 2017 (has it really been that long?!). That hr also had issues, with some weird streaking in the lower left that I could never work out what caused it. The D5300 hadn't been modified at that stage either. So I fired it all in to APP and decided to stack it anyway, and give it a quick process. Then chose to crank it up to 11 on the colour front, just for laughs. It won't be going on the wall anytime soon, lol, but I suppose it came out a bit better than I was expecting, all things considered. 20 x 360s with an IDAS-D1 D5300, 80ED, HEQ5-Pro. Stacked in APP, processed in PS. CS! edit - I forgot to downscale it - so no pixel peeping allowed ?
  36. 29 points
    Ive wanted to get a nice rendition of Orion for ages but its one I always overlook as sky time is very precious in the UK and there is always something else to get. Its got to be the most imaged target in the sky but is it easy....I dont think so. The colour and tonal range is massive making it a huge task to process. It took me around 12hours to process this one. Imaged in one night with my AG12 F3.8 Newt and Starlight Xpress H35, conditions were variable with light haze hindering the session, but to be honest I'll take what I can. We have had another very poor winter season with partial clear skies and rain as most of you already know. Exposure times were. 4x900 Ha 1x900 in R 4x840 in B 4x620 in G. Core exposures in RGB were 30s. Managed to increase the red signal with the H-alpha frames. Not Ideal but it is what it is! Calibrated with DSS, processed in Photoshop CS3 and Lightroom. thanks for looking
  37. 29 points
    From Wikipedia: "The Cone Nebula is an H II region in the constellation of Monoceros. It was discovered by William Herschel on December 26, 1785, at which time he designated it H V.27. The nebula is located about 830 parsecs or 2,700 light-years away from Earth. The Cone Nebula forms part of the nebulosity surrounding the Christmas Tree Cluster. The designation of NGC 2264 in the New General Catalogue refers to both objects and not the nebula alone. The diffuse Cone Nebula, so named because of its apparent shape, lies in the southern part of NGC 2264, the northern part being the magnitude-3.9 Christmas Tree Cluster. It is in the northern part of Monoceros, just north of the midpoint of a line from Procyon to Betelgeuse. The cone's shape comes from a dark absorption nebula consisting of cold molecular hydrogen and dust in front of a faint emission nebula containing hydrogen ionized by S Monocerotis, the brightest star of NGC 2264. The faint nebula is approximately seven light-years long (with an apparent length of 10 arcminutes), and is 2,700 light-years away from Earth." This image has been a delight to process and much simpler than my last image of the 4 panel mosaaic of IC59-63. I do particularly enjoy the wonderful 'texture' of the Fox Fur and the delicate blushing orange/yellow reflection nebula seemingly floating above the Cone. The bright blue stars of course needed some taming and careful care when combining the Ha to avoid excessive ringing. Details: TEC140 10 Micron GM2000HPS II UP QSI690wsg-8 Astrodon filters Ha (3nm) 23 x 1200s; Lum 48 x 600s; R 26 x 600s; G 24 x 600s; B 24 x 600s Total integartion 28 hours Data acquisition: Barry Wilson & Steve Milne at our shared remote rig e-Eye, Spain. Processing: Barry Wilson using PI, capture SGP. Thanks for looking & CS!
  38. 29 points
    A 2-pane mosaic. I shunned the traditional HST palette for a more natural palette aligning with emission wavelengths, so Ha+SII to Red, OIII to blue, and a blend of Ha (25%) and OIII (75%) for green. 49 hours total integration, captured on the APM TMB in Spain.
  39. 29 points
    Jupiter Gif 6 Io transit on March, 02-2017 from 07:00 to 08:14 UT. Many visible details, 50 movies capturing 10,000 frames per movie and piling up 3,500 frames. Stacking and sharpening only in AS! 2, a slight adjustment in the hystogran, contrast and brightness of Registax. Gif made in PIPP. One can notice details inside the GNV, well defined Oval BA as well as numerous other smaller ovals. Setup used: Celestron C8 + ASI 224 + PM 2X + L filter Astronomik. Location: Quintão Beach, Palmares do Sul, Brazil. An exhausting work but that after ready gives us much pleasure. Http://www.astrobin.com/full/286216/0/?nc=astroavani&real=&mod=
  40. 29 points
    So after fitting a RA motor drive to my eq5 to observe planets at high magnification without constantly turning the slow motion controls; we set out to our local spot last nighy ti give it a try. Gawping at m42 was so much easier without having to worry about tracking the object. It just hung tgere beautifully right in the middle of the eyepiece! Why had i never bought a motor before?! So the though occurred to me that i could try to take a photo with mu cheap pentax camera attached to my skywatcher 200p. I had previously written off astrophotography because i am very aware that my equipment is not suited to it. So with my 200p, eq5, cheap pentax camera, rough visual polar alignment, no guide scope, and no idea what i was doing i tried a 12 second exposure. I was not expecting anything! Now i know this is relatively poor but i honestly had thought that nothing was possible with my equpment. Mike
  41. 28 points
    The Milky Way rising in La Palma. I've only just got around to processing this from my trip back in May....so much to do so little time to do it.
  42. 28 points
    Like half the world we were treated to a lunar eclipse and a Mars opposition this morning. It was spectacular! I was hoping to get the actual moon set as a blood moon but the light pollution of a 3.5 million city and a sunrise did its best to ruin this idea. Shortly after this shot the moon became invisible. Still, having the eclipse over the city lights made getting up early on a weekend worthwhile! Pentax K-30, 70-300mm lens @70mm, 3second exposure ISO800. Clear skies! HJ
  43. 28 points
    Been doing work - daft invention! Finally got around to looking at some data from my shared set up in DSW AP 305/ML8300. 26 hours of data (and about the same processing! ) - Stars are harder to manage on this scope, characteristic of it but the detail is pretty impressive. This includes a lot of test data hence the crop caused by the camera being removed and refitted. C&C Welcome
  44. 28 points
    Well.... if I had a brain I'd be dangerous! Went out the dark site again last night and this time forgot my dew heater cable.... doh! So, after a quick rummage around in the car I found some cardboard and sellotape - then made a very rough looking dew shield for the Samyang lens. It did the job, but I lost a bit of time becuase on that so only just over 90min worth of colour DSLR data collected before I had to pack up as I was getting pretty tired.... oh boy did I pay for it at work today, stumbled around in zombie mode the whole time! More colour data would have been better to work with, but I went with what I had. The main thing I would have liked more of is better colour in the Iris itself, but the dust and star colour seem alright (messing around with LAB colour). Whether I chase for more colour im still deciding... but I definitely wont be doing it on a week night again! The added DSLR data amounted to 35x180s @ ISO200. So tonight, Im off to sleep until my name changes to Rik Van Winkle! EDIT: Now updated with old data for Iris colour:
  45. 28 points
    In this topic about an Avalon Linear mount Olly Penrice wrote: "I'll be welcoming a group of 'old guard' Dutch/Belgian astrophotographers (two of whom are a lot younger than I am!) and they set to with their polarscopes, tik-tak, and knock out world class images for the rest of the week." I'm happy to be one of the ' old guard' (35 y/o) astrophotographers currently staying at Olly's Les Granges. The last two nights I spent collecting photons of LDN 1251 in " the roof" of Cepheus (very near to Polaris). I acquired 8 hours and 25 minutes of data (5 min. subs @ ISO 1600) with a Canon EOS 5D Mark II (Baader Mod) and a Takahashi Epsilon-180ED bin/boiler/oil drum. Autoguiding and DSLR-control (including dithering) were done with a Lacerta MGEN autoguider. I don't use a laptop in the field (am I more stone-aged than Olly now?); I focus on a bright star on the LCD-screen using a magnifying glass and a Bahtinov mask. Pre-processing in PixInsight (data reduction, Canon Banding Reduction script, Automatic Background Extraction, Histogram transformation), post-processing in Adobe Photoshop CC (increasing colour saturation/vibrance, reducing star sizes, slight noise reduction on colour and luminance).
  46. 27 points
    Imaging telescope or lens:TS130 f6 Imaging camera:G3-16200 Mount:10Micron 120x600 HA Remote hosting at e-EyE in Extremadura, spain SkyEyE Observatory
  47. 27 points
    I’ve just received a new Altair scope so was keen to give it a try. Unfortunately the forecast was not good for yesterday evening but indicated that skies would magically clear at around 2am... As I didn’t have work today, I decided to set my alarm for 1.30am and look at some early morning targets - which of course meant that some autumn/winter objects would be in the skies in the east. So the alarm went off at 1.30am. I was in a deep sleep so had significant second thoughts about the merits of an observing session. These deepened when I looked outside and saw a blanket of cloud everywhere. I checked the forecast again and it still said clear skies at 2 so I waited for a few minutes and then noticed a small line of beautiful clear sky arriving from the north. I jumped (sort of) into action and went to set up and by 2am, around half the sky was clear. The 72mm mounted on the az gti very well, and two star alignment done quickly. My 55mm plossl with night vision monoculars and Ha filter turned out to be the only eyepiece used through the night. As it was getting close to going behind the house I went straight for a favourite, the North America nebula. The 5 degree fov of the 55mm plossl framed this really well and it was nice and fluffy! I tried the Veil but unfortunately it was already hidden. So onto the early morning objects. I decided to move down the Milky Way gradually starting from zenith down to the east, where I hoped Orion would be visible at around 4am. First stop was IC 1396 which contains the elephant trunk nebula. I’ve found this a tricky target with NV, the nebula looking quite indistinct previously despite its large size. However tonight I managed to get some decent views including the trunk. Then carrying on down to a really nice pair of objects - the heart and soul nebulae. The 5 degree fov just about fitted both objects in, which was a real treat and there was some very nice detail in both. The heart really does look like a heart. I’ve heard the soul described as a foetus and it does have that type of look. Spent a good while looking at these, since this was one of the nicest I’ve seen them. Then getting further on down to the east to an object that’s been a disappointment for me before, the flaming star nebula. I’ve never really got a satisfying view of this - until tonight. Also the neighbouring IC410 was very clear this time. I don’t think it’s still revealing it’s delights completely to me so one to come back to in the months to come... By now it was getting late and darkness would start disappearing soon at 4am, so a quick visit to the California nebula. I had a lot of fun with this DSO earlier in the year and it came good again - I think it likes NV. Really clear, defined and bright. So pack up time and I reflected that it was worth getting up after all. Finally I noticed, that Orion (or at least the top half) was now visible in the east. I took the monoculars off the scope and viewed at 1x. At last, my first ever glimpse of Barnards loop. I could only make out the upper half of the loop (which I understand is the brighter bit) but there it was wrapping itself around the 3 belt stars!! ? Also visible was the angelfish nebula which unfortunately didn’t look like an angelfish more just a smudgy circle. But I guess the low height of Orion didn’t help things. Still nice to pick up a couple of new objects. And then off to bed for another few hours sleep...the new scope did well.
  48. 27 points
    My first ever shots of the Aurora from the Isle of Skye last night. We had a clear hour with these between 10 and 11pm . Also a shot of the milky way Cygnus area which was stunning. There were some low cloud banks and whispy clouds but it was easy to see naked eye. Over Dunvegan bay quite a few clouds present but the Aurora was so bright it was like someone shining a light into the sky Over our digs for the week with the Pleiades just rising Cygnus over the bungalow. The milky way was stunning when the clouds cleared. Cheers all Damian
  49. 27 points
    After a couple of weeks of testing and visual play here is the very first image taken through my SW Evostar ED150. As you may imagine the visual experience is marvellous. The image was taken in the early hours of the 1st October along the terminator. The field of view ranges from the North polar area as far south as crater Eratosthenes. The second image is just me doing a crop because I prefer the framing of Mare Imbrium and crater Plato in the North. I need to experiment with the camera settings somewhat but I am very happy with the performance of both scope and camera. Thanks to @FLO for the M56 Baader Click-Lock to test. Camera: ASI290MM at f/8. Captured with OAcapture by @JamesF Crop:
  50. 26 points
    Sinus Iridum is an impact crater filled with lava that lies northwest of Mare Imbrium. It is far from any landing site of the Apollo missions, the nearest (Apollo 15) is over 1000 km away. Scientists would like to take a look at basaltic chemistry to see how much they differ from the basalt samples collected at the Apollo 15 mission. Wrinkled ridges cross the bed, and in some places there are families of rocks stacked on the ridges of these crests. Where are these rocks coming from? From the mountain range? Many small irregularly shaped craters punctuate Sinus Iridum, how were they formed? Over the past four decades, the Moon has suffered an almost total abandonment, fortunately, in recent years, the Chinese are committed to taking this delay. Many unanswered questions, which perhaps the Yutu rover (Jade Rabit), who landed on Sinus Iridum may come to answer. This impact basin, approximately 100 km in diameter, was filled by at least 4 basaltic spills. On its "banks" there is a semicircular ring of dramatic mountains called the Jura Mountains, with the Heraclides Promontory at its far west and the Laplace Promontory at its eastern end, these promontories, which can be seen with perfection in this picture. From a closer look at the exact point on which the plains meet, look closely at the promontory of Laplace and its intriguing geology. Imagine yourself at the top at an altitude of 2600 meters observing the plain around you! Did you feel a chill? https://www.astrobin.com/full/392089/0/?nc=astroavani
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