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Showing content with the highest reputation on 19/03/16 in Posts

  1. 9 points
    Failing to pack one small cable put my planned imaging kit out of action for SGL 11. This turned out to be a blessing since I was free to have some DSLR fun both wide field and with a Canon 135mm lens and an 1.4 extender. So 189mm at F3.5. Unguided on a Tak EM200 about 12 x5mins with an Ha clip filter and 12x3mins with a CLS filter. No laptop, no cables, no sweat. Wandered around the site getting some lovely views though big dobs and watching Bobski do battle with his mount. So it's no great shakes and I've shrunk the pics down to hide the gross imperfections but here's my rough and very simple Heart and Soul.
  2. 8 points
    I finally managed to get all things running satisfactorily (not perfect) . So managed to get the longest integration on a target so far. I kept the ISO low at 400 just to get longer exposures not being washed out by LP. Lights: 50 x 300 s + 30 x 180 s Darks, Bias. Flats produced a strange bright pattern in two corners due to Meridian Flip. That was just too much for me to handle in PS. This is a crop of the image taken with 130PDS and Canon 1100D with Baader MPCC III all mounted on Heq5 Pro. Thanks for looking. Please suggest corrections or point out flaws. I wish to keep learning !
  3. 7 points
    Below my first mosaic, which was created from 25 AVI (a total of 25 000 frames). Material collected with Schmidt 11" + focal reducer F/6.3 (1.764 mm) + camera ZWO ASI 120MM. Mosaic composed by means of Image Composite Editor - a free software, very powerful and simple application for panoramic images. http://moje-nocne-niebo.blogspot.com/2016/03/ksiezyc-moon.html# Mare Serenitatis (650 x 650 km) with two mountain ranges Caucasus (in the upper part of the photo) and the Apennines with a beautiful strait between them. Focal length of the next photo is 2800 mm. In the upper right corner you can see Eudoxus crater with a diameter of 68 km and in the lower part of the photo next two impact craters Aristillus (55 km) and Autolycus (40 km)
  4. 7 points
    Two wonderfully clear nights in a row after....I kid you not...4 months of almost steady rain here on the coast. We have had maybe 6 days since November were it has not rained. Of course the Moon was out for both nights and looking amazing so it dictated the evenings imaging plan. I've yet to try a mosaic and after seeing some fantastic work here from others decided to give it a go. Not as easy as I first imagined. I have 4 scopes with a variety of focal ranges and combinations I can do but decided to use my SCT with a focal reducer/corrector and my ZWO to go about it. Turns out it's a wonderful set up for this type of thing. My new mount is also a Godsend. I can track the Sun and Moon unguided now for well over 5 minutes before I need to recenter and it makes taking at least 3 minute AVI movies a breeze. I still have not drift aligned it. I just eyeballed the entire thing and it's tracking like a champ. Unbelievable. I tried to get the entire moon in one night. I figured 20 panels would do it and was up till 2 a.m. One thing I've learned is don't image really tired lol. The next day after editing I found that I'd missed quite a few areas. It's all in good fun though. I like the challenge. Here is half of the nights work. This is about 10 panels. Each panel is from about 1000 frames so about 10k frames total. 1200 x 960 each in size. I used PIPP first to sort out the better frames and then onto AS!2 for some refinement of those frames. Then into Registax6 for some wavelet sharpening. Then into PS for a by hand patched mosaic. Let me know what you think of "MoonSlice".
  5. 6 points
    Another from the 17th in good seeing smoother processing! Image taken with a C9.25 - skyris 236m cam!
  6. 6 points
    Had a session a couple of days ago (first in ages!) to try out Altair's mono GPCAM with Star Analyser. The Moon was a bit too bright to get the best spectra, plus it was in the back garden with lights from neighbours, street lights, flats opposite, etc. So I turned the scope (8" with 6.3 focal reducer ) on the Moon, and this is the result. I took a 300 frame SER file using SharpCap and put it through Registax. I skied in the shadow of Mont Blanc a few years ago in Chamonix. Interesting to see Mont Blanc on the moon as well, though I doubt the skiing is any good. Alan Shepherd played golf on the moon, but I don't think anyone tried skiing. Eric.
  7. 5 points
    My first go at M101. I underestimated how faint this target was, and i probably shuold have picked a different target with the half moon up. Either way i managed to capture 62x 120s exposures at ISO800 with the Canon 550D and the Explorer 200, and although faint and noisy there's still some details showing up.
  8. 5 points
    Hi all This is the 2nd capture i made on the night of the 17th Captured with Mak 127 using ASI120mm with 2x Barlow attached, this was run through PiPP first same as my last capture however when i run it through Registax i just end up with a white screen and no image, so i ended up running it through Autostakkert and this is the resulting image i have had to crop the image somewhat as bits of it were missing pretty sure it's down to human error on my part still quite a bit of learning on the software side yet 1010 frames captured with Sharpcap (yet to try Firecapture) ASI120MM 2XBarlow Mak 127 Regards James
  9. 5 points
    Hi Vicky, Well done on the images, I particularly like the M51 image. Keep at it.Don't listen to anything that that Damian bloke says. He is always too busy trying to eat pies, curries and what ever he can get into his mouth.
  10. 4 points
    Over 3 hours of good seeing last night! Finally the atmospheric Gods have brought some gold! This is a quick process (only 3 alignment points in as!2) :
  11. 4 points
    So Wednesday night was a bit hit & miss. I went out to try and do a little lunar imaging, but the skies were awful. I knew transparency was meant to be shocking, but this was in a whole new league. I had not let the scope cool properly and wanted to grab a few shots to see if the skies were really that bad....and yup...they were. I had heard the jet stream was going to move off sometime before midnight, so decided to sit outside and wait it out. every now and then I would run a quick capture, and run it thought AS2 to see if it was improving...then the clouds rolled in...They never mentioned the clouds.....so I did what we Brits do best...swore....made 'Tea'....ate a hobnob....and sat there....so around 11:15pm I noticed a slight change in the quality graphs....then they went off the chart. Not seen anything like it since last Aprils only two bar transparency night. The red channel stack allowed over 800 frames at over 80% quality....nuts! Anyway see below this is my take on the end of the Callisto shadow transit of Jupiter. This is the first one of the press, so I might revisit it all at some point. all three channels captured in OAcapture, stacked in AS2, de-rotated in WinJUPOS, processed in RS6 & PS5. Edge1100 scope, CGEMDX mount, ZWO120mm-s camera, Baader RGB filters, X2 barlow. Thanks for looking
  12. 4 points
    This is a nice fit on the chip of the dual Tak 106/full frame and I did it a while back with Dave and Zoe (Gothastronomer.) Last week we had another night on it with Mr and Mrs Gnomus, though for some reason the backgrounds were a bit messy in that set. Combining the two shoots made for lovely deep data to play with and I already had a 'Markarian's only' at higher resolution from the TEC140 so I put the lot into the pot. Here we go. Stars were masked to hold them down relative to the galaxies. To show it full size on the new forum I'm not sure what to do so I'll post this and then edit, but the fun lies in cruising the full size version. Edit. Click on the image and it will re-appear then there is a Full Size button lower left. Sorry but in the web version there is a good bit more noise and some stellar distortions which, oddly, don't appear in the TIFF. Ho hum, not a clue! Olly
  13. 4 points
    This mosaic really gave me some headaches, as the flats seemed to cause no end of trouble. I must have stacked the data a dozen times with flats processed differently, before giving up. I got a rather blotchy disk with a clear gradient. Not good. It might not look too bad, but any application of curves brought out the problems clearly. I then decided to do a little post-processing trickery. I first selected the disk in Gimp, with the ellipse tool, and mirrored it horizontally. I then loaded it, and the original in ImageJ, converting them to floating point. Adding the two images and dividing by 2 gave a disk without global gradient, but with a load of weird, symmetric detail. To get rid of the unwanted detail I smooth this result, and a copy of the original, by flat averaging with a disk of radius 200. I now had two blurry disks: one with the unwanted gradient and vertical banding, and one without. By dividing the latter with the former (after adding a constant to each pixel to avoid division by zero) gives me a synthetic "flat". Multiplying the image shown above with this flat, I get something much better, which I then could process further. The result isn't perfect, the part inverted ones show an artefact in the background, and I might tweak further, but at least it is a passable result. Grey scale: Part inverted: Pseudo colour added: Part inverted + pseudo colour: Please do click on them and inspect the full size images
  14. 4 points
    Pretty good seeing conditions with 2x barlow. Thanks for looking. Clear Skies
  15. 4 points
    Captured with ASI120 MM-S on C9.25 Managed to rescue it in reprocessing as my first attempt was appalling Don
  16. 4 points
    First bit of imaging for quite some time thanks to the good old UK weather, took these on 15/16/17th March. Anyhow, 2 hours at ISO 1600 at 1 minute lights plus flats darks and bias, stacked in DSS and processed in Photoshop CS2. SW 200P focal reducer, modded Canon 450D, HEQ5 with EQmod. weather: bright half moon, high alt thin cloud thanks for looking, all comments +/- more than welcome.
  17. 4 points
    Hi all, just noticed there's a close conjunction of M1 the Crab Nebula and 12th magnitude comet 81P Wild this evening (19th March). Could be an interesting imaging opportunity, although the moon and weather will probably put the kybosh on it.
  18. 4 points
    Well done Vicky! Your processed image looks great!! And lol! the kids were seriously ragging my dob about weren't they? haha!! Gain, your globe is still in one piece by the way although we caught Damian trying to destroy it on several occasions. Including wanting to paint it black and call it a new moon lmao!! As a punishment here are 3 pictures of the Devils Light bulb I took the other night, especially for you Damian! Oh... and this thread has now made me hungry again even though i've just polished off a homemade Chicken Tikka Massalla! Thanks
  19. 4 points
    Thanks Martyn! Here is the final image from that night taken at 1.34ut when Jupiter was down to 37 degrees. Wished I'd stayed out another 30 mins as at the time I though the images were deteriorating but this aint too shabby.
  20. 4 points
    Had a go at processing my image of M51 The Whirlpool Galaxy from 17.03.2016 Quite pleased to make a bit of progress, although there is a lot to learn. Can only bring out so much detail with the limited amount of data I had to work with Using Atik 16IC-S monochrome CCD on William Optics FLT-110 F7 refractor, guided with QHY5L-II camera 14 x 120 second subs, stacked in DSS and cropped and processed in PS Elements 11
  21. 4 points
    Captured this on the 10th peaked at magnitude 0. My first attempt at a GIF Regards Andrew
  22. 4 points
    Up late on Paddys night making the most of one of the few clear spells this year so far, decided to grab a quick shot of M13 rising. It was still in the murk and seeing was quickly deteriorating only managed 4x5min subs before the cloud rolled in over it. Used Atik Titan which is mono and has quite large pixels on a small chip with SW ED80. Thanks for looking and any comments appreciated.
  23. 4 points
    These were done with a very thin cloud layer. I figured I took the time to set up, I will take these couple shots. I wanted to mag up a little more but the clouds thickened up. WO FLT98 / ZWO 174m / Baader Neodymium filter 1.25x barlow moon 3-18-2016.tif - 2.25x barlow moon4 3-18-2016.tif
  24. 4 points
    I think it's like aperture really. I would always encourage people to start with a moderate aperture, say a 4" frac or 6/8" newt before moving up the scale. You learn so much in terms of observing technique (much like Piero does with his insanely good results from a 60mm Apo) that you are bound to be a better observer when you get to bigger aperture. I think it's the same with eyepieces, you learn over time what you like and dislike, how they work with your eyes and which objects you prefer. The results from good entry level eyepieces are certainly pretty good these days. Some years back I sold (very cheaply) a case of Celestron Ultima Plossls I think they were and a Barlow, very nice and sharp, I just didn't realise it at the time and regret selling them.
  25. 4 points
    Let the training commence! Mum made steak pie yum yum!
  26. 3 points
    The home galaxy is rising a couple of hours before dawn these days. And that gave me an opportunity to shoot at it. Well actually I left the CW of my mount at home. So what's better than simply sticking camera directly on the mount to get long widefield shots with a dark sky? I shot the Summer Triangle and Rho Oph. Presenting the Summer Triangle. Lights: 8 x 180s + 6 x 60s @ Iso 800 Flats, Bias. Taken with Canon 1100D unmodded and 18 mm f/3.5 lens mounted on HEQ5 Pro. Edit: Oops..where's the image? Now its here...
  27. 3 points
    Recently had a go at reprocessing a DSLR image taken back in 2014, so here it is. NGC1333 in Perseus, made up of just under 19 hours hours of 10 minute subs. Much happier with this version, been wanting to reprocess it since about a month after posting the original! I have since moved on to CCD and also got round to putting together the tiny amount of RGB i captured for M1, at under 3 hours in total. Hope you enjoy, more information about the objects can be found on my Flickr page for those interested in that sort of thing! Exposure Details: 113* 600 secs, ISO 800 Exposure Details: R: 6x600s - G:4x600s - B:6x600s Scope: Altair Astro 115EDT Camera: Canon 600Da (NGC1333) Atik 383L (M1) Mount: NEQ6 Callum
  28. 3 points
    The Moon was nicely placed on the 17th so I took the opportunity to grab a few captures of our nearest neighbor under reasonably steady conditions for once. All taken with the 12" LX200acf and ASI174mm camera working at around F30. Pleased to get something worthy of posting as it's been some time since I have posted in this section. Hope you like them. Pete
  29. 3 points
    Here are some images of the project so far. I have used a Keter 'store it out Max' - the idea being that from the outside it looks like where we keep the kids bikes or the mower. Inside I keep me baby....130mm reflector. I have set the tripod so that when I place two tripod legs up against the bottom of the floor it is aligned. Other features include a mirror image moon map, a plastic 'sleeve' where I keep my planisphere when observing, a little stool on which I place my tray of eye pieces and a red cycle light I can use to see when setting things up. I'm still planning some more mods....maybe a fold out table and a cup holder - oh and I want to think of a name for the observatory too!
  30. 3 points
    Cone Nebula shot and processed at Les Granges. Ha 13 x 1200s (blended into Red and a little used as Luminosity) RGB 6 x 600s each Astro Art, PI, Registrar and PS
  31. 3 points
    Comet Catalina skims the moon......just a fantasy.....but photographs "Never Lie"
  32. 3 points
    This is one I did a few weeks ago. 12 X 5min, iso 1600, DSS, Photoshop. Originally a widefield with M 82 but I wanted to display it on its own, so I cropped it and sharpened the galaxy, luminence sharpening, some high pass and unsharp mask, just on the highlights, and smoothed the rest a bit. Its probably a bit of a small object on a DSLR for a close up, but I am quite pleased with it and plan to put it on the lock screen of my phone!
  33. 3 points
    Having purchased an IS camera from Helen at SGLXI to pick up lunar imaging again, I thought I'd better do some!! I have forgotten heaps on processing lunar images, so learning again from scratch! Feel free to comment robustly And I'm pretty sure it's Plato... but I could be wrong!!! So, I think there are about 1,000 frames from 5 videos in this, but this was my first time using Autostakkert, so can't be sure! Camera: IS DBK21 Scope: GSO RC f/8 - no barlow Mount: EQ6 Capture: SharpCap Processing: Aligned and stacked each video in Autostakkert, manually aligned in CS5. Levels, curves, High pass filter, unsharp mask, despeckle, FocusMagic
  34. 3 points
    It's been so long since I managed to get a half-decent session in. Rusty. Anyhow, with the scope cooled a dimly-remembered set-up and alignment bagged these shots from 17 March. Seeing got steadily worse over the 2 hours. I like the way the phase picks up the fluid nature of the wrinkle ridges to the north of Pitatus in Mare Nubium. The rest are "old friends" revisited. Seemed to pick out Hadley Rille pretty well too. All Skymax 150 Pro and Zwo ASI120 mono, red filtered. Enjoy. Thanks for looking.
  35. 3 points
    Promising evening since this afternoon! I was checking the sky from the window at work every 20 minutes. It was not very cold when I left home. Once in the field, a bit of warming up with old friends before going towards more challenging targets. The conditions were certainly not the best due to the high Moon in the sky. However.. why not doing something a bit unusual? Just before leaving a soft layer of mist was rising from the field. My bike and telescope were both frost on the surface (not the optics!). Cycling back home when frozen is not really a pleasant thing, but the memory of what just observed is sufficient for warming up the thought! Overall a session with a lot of fun looking for faint/ very faint targets, and observing the beauties in our neighbourhood! Date 17/03/2016 Time 20:00-22:30 Location Cambridge, UK Altitude 12m Lunar Phase Waxing gibbous 72% Temperature 3C (NE 8 km/h) Seeing 1 - Perfect seeing Transparency 5 - Clear Telescopes Tele Vue 60 F6 Eyepieces Delos 12, Delos 8, PM2.5x Filters Beta Ori Dbl Star 45x Rigel. Just a preliminary test for seeing condition. Split was clear at 75x. M42 Ori Neb 75x, 112x E and F invisible. I believe what I missed tonight was enough darkness. Anyway, I will persist. M109 UMa Galaxy 45x Vacuum Cleaner Galaxy. I did not really hope to spot this due to the Moon, but eventually it revealed more difficult that what I thought. I could not spot anything in there. Despite the high position in the sky, gentle telescope jiggling, averted vision, relaxation of the non-observing eye, and dark adaptation at the eyepiece for about 15-20 minutes, did not help. Not even a faint trace of it. I have not found a reference for its surface brightness, but I believe it is fairly low for a Messier object. Mag is 9.8. NGC5466 Boo Glob CL 45x Still very low in the sky. Due to the moon placed high in the sky, I star hopped directly with the 45x (1.5 deg fov) from Alpha Boo (Arcturus), crossing 12 Boo until reaching the checkpoint stars Boo 11 and Boo 9. Star hopping in this desolate land of sky covered by moon skyglow and limited fov was quite fun actually. From Boo 11 I could spot NGC5466 initially with averted vision, but later also directly. It appeared as a faint little cloud. No star was resolved of course. Despite its mag of 9.10 and low position in the sky its view was feasible. M3 CVn Glob CL 45x After spotting NGC5466 (see target for reference), I reused the checkpoint stars Boo 9 and Boo 11 for reaching M3. This was well visible at 45x and appeared as a grey large cloud. Some granulation was also detectable, although no star was resolved. M53 Com Glob CL 45x Star hopping from Eta Boo (Muphrid). Quite a nice walk in the space. Once I reached the Sand Shovel asterism, M53 was very easy to spot. Grey cloud visible with direct observation. The Sand Shovel is made of 6 stars forming a kind of hexagon and four stars forming the handle. M53 is located just below the handle. NGC5053 Com Glob CL 45x I tried this target last year without succeeding and decided to try it again as it is very close to M53. Its mag is 9.8. I spent about 30 minutes at the eyepiece without spotting anything. When I decided to give up, and moved the telescope a little bit more than the usual jiggling, I thought I saw an extremely faint patch of gray light. I came back and repeated the action for 10 times. For 7 times I managed to see that vague shapeless gray patch. It did look very different from NGC5466 and I guess this is a much more sparse globular cluster. While checking its surface brightness on the Internet for assessing whether my statistics was due to my brain or had some foundation, I found this thread http://www.cloudynights.com/topic/61738-globular-clusters-m53-and-ngc-5053/ , where D. Knisely reported that he managed to spot it using an 80mm. So maybe I really spot it with a 60mm? Moon - Satellite 75x, 112x This was terrific. The view was definitely crisp. I could see many small craters and minute details that I did not expect. Superb view. Jupiter - Planet 75x, 112x How many features tonight. At 10pm at 112x, I could see the North and South equatorial belts, a faint North temperate belt, the North and South polar regions, four satellites of which one was placed just close to the North polar region, the shadow of Ganymede Callisto on the North polar region, and I believe I also spotted two festoons on the low part of the North equatorial belt. Errata: It was the shadow of Callisto, not Ganymede.
  36. 3 points
    Jupiter just after a transit of Callisto. Taken just after midnight on March 18th, the shot shows from left to right the moons Europa, Io, and Callisto. Callisto's shadow can be seen on the top right side of Jupiter. Image made from a 1000 frame video Captured with FireCapture Processed with PIPP, Registax and Photoshop. Equipment: Celestron NexStar 127 SLT GoTo AltAz mount with homemade wedge ZWO ASI120 MC imaging camera x2 Barlow
  37. 3 points
    Ok had a little time to play with the data and have the following using large stack sizes (30% of 7200ish) and a 1.5x drizzle in AS!2. Firstly the reprocess of the original capture: Second a WJ Derotation of 5 successive captures with a slightly wider field: Slight fudge on Europa and Io to save time, but very pleased with the levels of detail and noise in the bigger stacks and derotation.
  38. 3 points
    Hello All, A few nights ago the weather forecast looked good; I managed to open the obsy up and start everything up at dusk, and get on-target as the last vestiges of twilight slipped away. Up until now I've been playing around with imaging - mainly M42 and the moon - and I'm still at the low end of the learning curve. This time I thought I'd give M81/M82 a go. It's the longest imaging run I've done; the weather forecast was good and I risked leaving everything running as I went to bed at 2 am. The clouds rolled in around 4 am, mercifully without the rain. I feel like I learned more on this one night than I've done in the last 12 months: Focusing is part art, part skill, part science and if you have a less than perfect focus mechanism, part luck. A bhatinov mask is probably a good investment - I didn't have one, but the order was placed next day... It's not enough to focus once and lock down - it can drift through the night so re-checking is necessary. It's not necessary to get hung-up on matching camera rotation angles after meridian flips - Deep Sky Stacker does a great job of co-adding with rotation. Omitting flats from the run is a big, bad idea. There's a reason people list multiple software packages in their post-processing workflow - it's not easy to find everything you need in one title. I hesitated to post the results because I know there a heap of issues which let down the resulting image. But I have to admit to being pleasantly surprised at what came out after some work (attached) so here it is, warts and all. This is the result of 5 hours (made up of 10 and 20 minute subs) with a TOA-150 on a Mesu-200 mount, guided with a Lodestar on an OAG. The CCD is the first generation QHY8 one shot colour. One bias frame and (unfortunately) no flat - so I used the gradient remove tool in MaximDL, with poor results. A fairly gentle high pass filtering in MaximDL, then some RGB histogram equalisation and stretch in GIMP. Criticism very welcome. I can see I need much more signal, and the absence of flats probably explains the bright left/right sides. I think my polar alignment is off somewhat, and I know the focus drifted between frames - this might explain the odd star shapes. (Either that, or there's a collimation issue, and I don't want to go there...) Is my processing heading along the right lines? I bought a One Shot Colour CCD (years ago - I've only just started using it properly this year) because of its apparent convenience and absence of the need for filters. But I'm wondering how much different (better?) this might have been, if I'd been using a more recent mono camera - e.g. an Atik 460ex? Thanks Nigel
  39. 3 points
    I've really enjoyed reading the thoughtful input to this thread since I made my rather plaintive opening post. Thanks very much for bothering to post your thoughts - much appreciated I have no complaints at all about the performance of the Ethos and XW eyepieces that I was using last night - they showed fantastic views of both the lunar surface and Jupiters splendour. The level of detail was as high as I've seen at any time and they are a pleasure to use. My surprise was in how close the low cost eyepieces were to the on axis performance of the "exotica" although as has been said, virtually all eyepieces available today do very well on axis. I think Michaels "policy" of not changing equipment when it works well for you is very sound and, in the main, I have followed a similar approach, investing when I'd seen a difference (and more than on one occasion) in performance that mattered to me. Having now assembled an eyepiece collection which is probably as good as I'm going to get I probably ought to quit whinging and get on with making them earn their keep By the way, if you don't mind eye relief around 8-10mm and a Japanese Meade 4000 UWA 6.7mm comes up at a decent price (I paid <£50 for mine, delivered) give it some thought. While the overall light transmission is not in the XW / Ethos / Baader CO range, the sharpness of the glass is astounding for use on the the moon and planets Who would have thunk it from a decade old superceded eyepiece. I'm now looking out for the 8.8mm from the same series ....
  40. 3 points
    OK, here it is - M51 The Whirlpool Galaxy imaged on 17.03.2016 My very first attempt at DSO astrophotography using Atik 16IC-S monochrome CCD on William Optics FLT-110 F7 refractor, guided with QHY5L-II camera 14 x 120 second subs, stacked in DSS and cropped in PS Elements 11 Quite pleased with this one and it's got me off the starting blocks - thank you Gain @cosmicbug for all your encouragement and support. I couldn't have done it without you
  41. 3 points
  42. 2 points
    Now, when I finally have some clear skies, the moon spoils it all, so I have played around with data from last month on the Jellyfish Nebula. It is my DSLR data with Francois Theriault's CCD Ha data as luminosity. Equipment in Sweden: ES 127ED refractor with TS 0.79x reducer (=f/5.9) IDAS filter and Canon 60Da on EQ8. Equipment in Canada Antares 8" Newtonean (f/5) and SBIG ST8300M and Bader Ha 7nm filter on CGEM. 65 x 300" exposures = 5.4 hours
  43. 2 points
    One of my favorite areas in the night sky, the Orion Constellation. This is the lower half of the constellation showing the Orion belt and the sword. The halo effect around the brightest stars is due to some mist in the air at the moment I took the picture. This halo effect also caused the difference in star colors to be more prominent which I think is very interesting to see. Images stacked and calibrated in PixInsight and final processing done in Photoshop CC. Nikon D810A - Nikkor 180mm f/2,8 AI-S @ f/4 10 min. (20 x 30 sec.) ISO 1600 https://instagram.com/Astrofotografen
  44. 2 points
    Yes but I had an attack of old person inability to use technology. My Dad was right when he said i'd start losing my techno savy at 40 and become unable to use a phone. I'll stop mocking him from now on!
  45. 2 points
    Very nice shot. Loads of detail visible. Well processed with a very natural look to it, crisp but not over the top
  46. 2 points
  47. 2 points
    Great report Stu and Sunday night sounds like it was the best of the batch. Markarian's Chain must have been great out there. I can manage quite a few bits of it in moderate LP with the 6" so 8" under dark skies must be fabulous
  48. 2 points
    I'm not sure I believe it but it looks like I have actually got this clock working properly and keeping time It's certainly taken a long long time! Still a few things to do to finish it. Case including moon dial hood Box for electronics Lighting for inside case - both hardware and code to control it Code to implement the hour change for GMT to BST and back Whatever I've forgotten
  49. 2 points
    Thanks everyone! As for Chris, I plan on upgrading the focuser in the future.
  50. 2 points
    Yea I don't know about Saturn, but for about a month I plotted the changing positions of the moons on Jupiter. They are all obviously visible and i feel like I can see movement even over the course of a few hours!
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