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Found 61 results

  1. Hello! I'm from Hungary. This is my first post. I am glad to be here. Recently I'm trying to sketch some deep-sky objects. I've made this observation yesterday. Cygnus was near to the zenith and the sky was pretty dark. NGC 7000 is one of my favourite target. I like to observe it with any telescopes, especially with RFTs and with UHC filter. Please excuse my language errors. Gyuri
  2. Last week on august 5th we were treated to a coronal hole followed by some G1 auroral activity here in New Zealand. Unfortunately I live a bit too far north to capture the spectacular Auroral images. However, ever the optimist, I set my canon 6d with a Samyang 14mm lens up in my backyard and captured 300 or so shots (20 seconds at iso 3000) which I then sent through to lightroon timelapse. I'm quite pleased with the result. Definitely some colour there.
  3. From the album: Alvin's Time-lapses

    Attention: The quality of this video here has been reduced due to file size restriction. A slightly better version can be found unlisted on YouTube (308mb). Description: A series of time-lapse short videos set in different locations within South Hampshre at night. All scenes were taken between a Bortle 4-5 area, and each clip equates to 5-6 hours in real time. Please check your volume as this video contains music. Equipment / Software: Canon 550DTokina AT-X 11mm - 20mm Vixen Polarie Adobe Lightroom Adobe Premier Pro Special Thanks: Alexander Blu - Background Music ==================== Note: My first time producing a proper time-lapse video. Unfortunately the amount of noise and hot pixels were much worser than expected when I reached the video editing stage, and I need to learn how to apply darks against individual frames en masse. I am not personally satisfied with the final quality, but still thought I should share with what I have on here. Please feel free to leave a comment, critique, suggestions and guidance on here, thanks!

    © Alvin Ko

  4. Hi everyone! I was lucky enough to spend Easter in Mauritius and managed to get a night of imaging in despite the tropical night time clouds! As someone who lives in the Northern hemisphere, the Carina nebula has always been a target I've coveted, but during my holiday, I also loved Crux as prominent constellation in the Southern sky. So when I ran into polar alignment issues with my Skyguider Pro, I decided to play it safe and go for a wider field, capturing both those targets rather than focusing purely on Carina as was my original goal. This was shot from my father in law's rooftop in Bonne Terre, Vacoas, Mauritius and my basic polar alignment meant significant field rotation, but I still got some usable data. Cropped, processed and finally upsampled. Data was shot at f/2.8 with a 50mm lens, unguided on an unmodified Sony a6500. 174 lights at 30 secs each = 1.4 hours of integration. Bortle 5. From the colours it looks like these objects sit right on the disc of the Milky Way and I know there is more in the picture I haven't mentioned! Thanks for looking!
  5. Second attempt at astrophotography with my canon 1300D untracked (first was orion ). Shot under dark skies of himachal pradesh (India). Stacking done in DSS and processing in Gimp. Any suggestions would be appreciated. especially regarding the trees at the bottom. Total exposure time - 20*20 seconds Shot with - Canon EOS 1300D (untracked) (unmodded) Flats and Biased frames included
  6. From the album: Widefield

    © Graeme Healey Photography

  7. Maxrayne

    Passing Orion-1.jpg

    From the album: Widefield

    © Graeme Healey Photography

  8. From the album: Widefield

    © Graeme Healey Photography

  9. Maxrayne

    Messier 42-1.jpg

    From the album: Widefield

    © Graeme Healey Photography

  10. Finally I have a clear night and can get out and do some imaging. As my AVX is still poorly, am using my Star Adventurer tonight and thought I would try my new Canon 75-300 lens that I got off eBay with my CCD and Ha filter. Lens is at 75mm and wide open as do not have a body to use to stop it down. Am getting some strange weirdness going on in my subs, image is below. This is just a stretch and save as JPG of a single 300s sub I am feeling that this is an internal reflection between the filter and lens. I have the filter screwed to the front of the lens with an adapter to get it to fit. Am I right in my thinking, or is there something else going on? I can overcome it by moving the filter inside the Geoptik adapter, but that is a bit of pain, but may have to do this.
  11. Had a clear, but v cold night here last night (11th Dec), and got the widefield rig out again. Skies weren't too great, despite the cold - a covering of snow always seems to make for much brighter skies. I imaged the area around the Flaming Star Neb (IC405) using the modded 350d + Canon 85mm EF combo. Here's 79x5min (6h35m) at ISO400, f4, through an IDAS P2. Lens is a bit sharper at f4.5, but wanted to try and get as much signal as poss, without completely wrecking the stars. I offset the framing to have a tilt at getting the SN remnant Simeis 147, the Spaghetti nebula (Sh2-240). Bearing in mind this is a non narrowband image with an uncooled camera, I'm fairly pleased to see it there (though v faint!!!). Most definitely one for an HA filter attempt with a more suitable rig! Would have been nice to have M37 not quite so close to the edge... :-/ Original and annotated at 2048px width below. Thanks for looking!
  12. Another widefield I took on 25th/26th Nov using my Baader modded 350d and Canon 85mm EF f1.8 USM (working at f4.5). This is 21x5min, so 1h45m total taken at ISO400 using an IDAS P2 filter from here in Oxfordshire. I'm sure the region doesn't need too much introduction. To be honest, it needs a lot more exposure, and arguably taking with something more sensitive with less read noise! Being a bit further south would help me too...there was a heavy dose of DBE to sort the gradients out here. Barnard's Loop, the Bogeyman, M42/3, Flame and Horsehead all relatively easy, and the dusty stuff (part of The Orion Molecular Cloud Complex) that extends between them passing by M78 is reasonably obvious, though the fainter stuff is all a bit noisy still. There's also the bluish nebulosity LBN 915 *just* on the limit of visibility to the right of Sh2-278 that extends around the right of eta Orionis. As I said though, it all needs much greater SNR, and less need to resort to MMT for noise reduction... (any more and it started to adversely affect the image). Both images reduced to 2048px width here for convenience. Thanks for looking.
  13. Heres my version of NGC 7000 and the Pelican nebula, taken back in 2015, through my William optics zenithstar 70ED with focal reducer. To fit it all in I did a 4 pane mosaic. Think the subs where 15 x 6 mins for each pane..........hope you like.
  14. I took these images on Sat 25th Nov from here in W Oxfordshire. I've got the widefield setup running now using a RPi3 running KStars and Ekos. This controls a modded, uncooled 350d (with Baader filter) and a serial shutter cable, an Arduino motor focuser (as a Moonlite compatible focuser) and the Losmandy GM8 it all sits on. Images were taken through a Canon 85mm f1.8 EF lens at f4.5, exposures were 45 x 300sec (3h45m total) at ISO400 through an IDAS P2 filter. The field is a whisker over 15x10 degrees. Processing was in PixInsight and a bit of work in Photoshop to reduce a bit of amp glow that didn't calibrate out fully. Fairly pleased with this (though the Heart and Soul have come out maybe a little red - the colour calibration uses PI's PCC tool, and the IDAS filter might throw it a bit), but there's some other areas of interest coming through in the image. Annotated image attached but there are a few other bits that PI doesn't grab - there's a small area of reflection nebula (LBN 142.14+01.97) to the left of Sh2-202 that's just coming through. Also, unlabelled are Stock 2 (between the Heart and the Double Cluster) and for the interested clouded out astronomer, galaxies Maffei 1 and 2 are visible in frame just below the Heart (labelled as Sh2-191 and Sh2-197). Thanks for taking a look!
  15. Far from perfect, but many firsts for me, a first proper test of the ZWO1600 and Samyang 135mm lens combo with Baader narrowband filters. About an hour each Ha, Oiii and Sii last night at f2, no calibration frames. For some reason Astroart rejected some of the subs, don't yet know why, need to investigate, guiding seemed OK all the way. I'll reprocess later more carefully, as I notice even have some satellite trails in this one.
  16. Hey all. My interest in timelapse has been building over the last couple of years. After an attempt to do some at SLG 11, this has been something that has been bubbling on the back burner for a long time. My interest has once again risen in getting this going as I now have what I think will be a fairly nice setup for doing Day to night (Holy Grail) time lapses. Here's the kit that I'll be using..... 1. Canon 70D 2. Sigma 17-50mm Zoom lens at F2.8 (Over the whole range) 3. 2 axis camera slider 4. iPhone/iPad - running qDslrDashBoard 5. Lens muff - and single use hand warmers This setup fits together rather nicely. The slider that I have does Move-Shoot-Move, after moving it will trigger the camera via the shutter release cable. (I could use an intervalometer for this, the slider has the feature built in so no need to complicate things even more.) The Canon 70D will be mounted on the slider on a ball mount. It connected to the iPhone/iPad over WIFI (I thought that was a gimick at first). the iOS device will be running qDslrDashboard which will perform the settings tweaking for the Holy grail stuff. The Sigma Lens at F2.8 will be faster than my kit lens (F4.5) The Lens muff, will be wrapped around the sigma lens and have 3 single use hand warmers (lasts 10 hours) to keep dew away from the glass. All in all, I'm getting rather excited to trying this out
  17. Hello all, I think I'm done with this target this season at least. I acquired 2x6h of Ha data with a Canon 300 F4 L lens (~300mm FL F/4), maybe 2x4-5h of O3 data with the a Tair 3s (300mm FL F/4.5), another 2-3h of Ha with a Pentacon 200 (200mm FL F/4), 3h of O3 with the Pentacon, 4h of S2 with the Pentacon and 3x25m (3 panels) for each RGB with the Tair. All narrowband subs were 300s long and the RGB were 60s long if I remember well. All at unity gain, cooled between -10C and -15C. Shot from the balcony under white light pollution. I made a narrowband combination with the Ha and just a bit from the others used as lum and 40S-60Ha as red, O3 as green and 30Ha-70O3 as blue. Combined in StarTools and GIMP. Software used: APT, PHD, DSS, StarTools, GIMP, Registar. The RGB and narrowband images don't cover the same area perfectly so some stars in the left side are a little more bloated as I couldn't control them. Links for better resolution: https://drive.google.com/open?id=0ByhJ_xuQxcnjejEwN3pCeWR6Znc https://drive.google.com/open?id=0ByhJ_xuQxcnjaFlFSDMzSkYzd28 Should I make the them brighter? Any opinions are welcomed. Thanks for watching, clear skies! Alex
  18. The Veil Nebula is a diffuse nebula located in the northern constellation Cygnus, the Swan. Also known as Witch’s Broom Nebula, Bridal Veil Nebula, Cirrus Nebula, or Filamentary Nebula, it constitutes the visible parts of the Cygnus Loop, a supernova remnant in Cygnus. It is located at an approximate distance of 1,470 light years from Earth. In this wide shot you can see the three main parts: the Eastern Veil, the Western Veil, and Fleming’s Triangle (Pickering’s Triangle). Full resolution: http://www.celestialpixels.com/Nebulae/i-zcwHVLh/A Telescope: Telescope: TAK FSQ85 Camera: QSI 683 Filters: RGB + Ha + O3 Total Exposure: 12h Location: Mt Parnon @ 1430m. Greece
  19. Hi everyone, It's been years since I posted anything on this forum! It's also been years since I've had a proper observing session as I've had uni, work and other things to think about. Also now that I live in London it's unlikely I can do any proper observing! Anyway I've been missing it lately, and thought I'd pay a visit to this forum again, starting with a simple little Milky Way image I took on holiday last year: Here's hoping that in a year or two I'll be able to think about setting myself up with a telescope in a nice dark place again
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