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Found 10 results

  1. From the album: Other (Narrow field, DSO, EQ)

    The Rosette Nebula, with its inner star cluster NGC2244 A pseudo-HDR image because it's the combination of several developments from the same stacking result (could not bring out the colored nebula and master the stars in a single dev). Gear: Olympus E-PL6 with Skywatcher 130PDS and CC on Omegon EQ-300 tracking RA Capture: 10 × 60s × 3200iso, no darks/flats Processing: Regim 3.4, Fotoxx 12.01+ Site: 50km from Paris, usually Bortle 4-5
  2. From the album: Deep Sky Imaging

    This is the SHO result of my first imaging object with the cooled Canon 40D. Through out the imaging, the camera failed a number of times due to condensation buildup inside and so this is a result of two different 40D bodies and sensors. I captured some HAlpha data with the originally cooled 40D before it failed and the second half of the HAlpha, OIII and SII are captured with the second modded and cooled 40D    Exposures: SII: 30x1200s HII: 30x600s OIII: 30x900s ISO1600 Telescope: BOSMA Beta RE  Focal length: 500mm

    © Mariusz Goralski

  3. Here's my effort from 2 nights ago under an increasingly rare clear and moonless night 1hr each of HA:OIII;SII using a Skywatcher esprit ED80 and ATIK 460 camera.
  4. evening all. while observing a few clusters tonight i come across ngc 2244 ,the o/c in monoceros. i used a refernce book to confirm the star pattern .so then i realised im sat smack in the middle of ngc2237,the rosette nebula,so i sat and observed for ten to fifteen minutes to see what i could temp out. NOTHING is the answer . i was abit gutted at first,but after researching a little on the forums i realised its a tough one to observe. and theres me with my orange sky glow unfiltered roof top infested sky ! what was i thinking.
  5. From the album: Alt-Az / NoEQ DSO challenge

    2nd Try at rosette nebula (from heavily polluted sky) Capture: 50 good + 42 average lights (of 122) x 20s x 2500iso, 56 NG darks, Olympus E-PM1 with Skywatcher 130PDS on Celestron SLT mount, Skywatcher ComaCorr and TS UHC filter. Processing: Regim, Fotoxx Date: 2017-01-26 Place: suburbs 10km from Paris

    © Fabien COUTANT

  6. During recent night I've managed to take only 50 minutes of OIII in narrowband so I could add to previously gathered Hydrogen. This is more like experiment as it is my first bicolor image. Scope: Skywatcher Evostar 80ED DS-Pro with flattener Mount: NEQ6-Pro Camera: QHY168C Filter Baader 7nm H-alpha , Baader O-III CCD Guiding camera: ZWO ASI120MC Guiding scope: finderscope 16x300s exposure at -10°C (80 min total) in H-Alpha 10x300s exposure at -10°C (50 min total) in OIII
  7. From the album: Stevebb.com

    NGC2244 - The Rosette nebula taken using a Skywatcher Equinox ED120 on an NEQ6 Pro mount and imaged using Backyard EOS and a modified Canon 450D DSLR. Taken from my back garden in Knaresborough, North Yorkshire

    © steve@stevebb.com

  8. From the album: Alt-Az / NoEQ DSO challenge

    Capture: 7 good + 7 average from 28 lights x 30s x 2500iso, 30 NG darks, Olympus E-PM1 with Skywatcher 130PDS on Celestron Nexstar SLT, TS UHC filter. Processing: Regim, Fotoxx

    © Fabien COUTANT

  9. From the album: Deep Sky Objects

    This image is a combined set of subs over multiple nights (a first for me). NGC2244, Rosette nebula taken from my heavily light polluted garden in Leeds. This was to test my modified Canon 1100D and the Astronomik CLS Light Pollution EOS Clip filter. Modified Canon 1100D with Canon 500mm f/4 L IS lens @ ISO1600. AstroTrac TT320 Mount. 20x 60 second lights from 2013-02-03 45x 60 second lights from 2013-02-14 20x Darks 20x Flats 20x Bias Stacked in DSS and processed in PS.
  10. A lucky 4 day stretch of clear cold skies Welford Observatory springs into life for one of the only times this season The forecast in the run up to the 9th of February was promising clear skies but frankly I didn't pay much attention to it as the weather has been so changeable this winter. The forecast was right though and I managed to not only get many hours in on the 9th but also the 12th, 13th and 15th. The good weather was not the only surprise though. I haven't imaged the Great Nebula in Orion since 2012 as I remembered it being very difficult to track from my observatory as it moved along the very edge of the southern wall at the limit of my pier/scope configuration. Also, in 2012 I shot it with a one shot colour camera making life very easy. If I were to image it again I'd be using my ASI1600MM with the need to capture luminance, red, green and blue channels - and if I was very ambitious - H-alpha as well. It turned out I was feeling very ambitious. And it worked. I think I've captured my best astrophoto to date. Also, I pushed my processing skills (limited as they are) to include the H-alpha in both the luminance and red channels. I'm finding Pixinsight so much easier to use than other programs I've tried, mostly because the standard approach to most of the processes takes the guess work out of some of the more creative damage I can do to the image. :-) Also, the observatory was ticking over perfectly with very few errors made by me in re-configuring it each night for the next round of imaging. And so here are the results of one of my most enjoyable series of evenings in the observatory. Details Object name The Great Nebula in Orion Object ID M42 Date(s) 9, 12, 13 and 15 February, 2018 Telescope Teleskop Service 65mm Camera ASI1600MM Luminance 60*1min = 60min Red 25*2min = 50min Green 25*2min = 50min Blue 24*2min = 48min Ha 19*5min = 95min Oiii 0 Sii 0 Total time 5.05hrs Frames 0 Processing PixInsight / Bias, Flats, Darks / Ha to Lum / Ha to red channel / LHaRHaGB / Notes I waited this entire winter for an opportunity to get back into the observatory to do some imaging. The weather and my schedule have been appalling. I guess I can really stop saying that now as it’s always the case…. I didn’t expect to image this object – the last time I did was the 14th of January, 2012. It’s very low to the top of my observatory wall and imaging it always seems unlikely. But on this occasion, I persevered over the few clear nights we had and managed to capture 5 hours of data in H-alpha, red, green and blue channels. This is the most data I’ve captured on an object and it paid off. I’ve processed this image combing H-alpha with both the luminance and red channels – then recombining them all for the finished shot. I may try re-processing in different combinations but this certainly seems to have worked ok. NGC 2244 Details Object name The Rosette Nebula Object ID NGC 2244 Date(s) 9, 13 February, 2018 Telescope 65mm Camera ASI1600MM Luminance 0 Red 0 Green 0 Blue 0 Ha 15*5 min = 75 min Oiii 4*5 min = 20 min Sii 8*5 min = 40 min Total time 2.25 hr Frames 0 Processing PixInsight / Bias, Flats, Darks / Notes Not enough data to make this a good image – but it’s a start and all the weather would allow for this season. M44 Details Object name The Beehive Cluster Object ID M44 Date(s) 9 February, 2018 Telescope Teleskop Service 65mm astrograph Camera ASI1600MM Luminance 0 Red 25 x 2 min = 50 min Green 19 x 2 min = 38 min Blue 19 x 2 min = 38 min Ha 0 Oiii 0 Sii 0 Total time 2.1 hrs Frames 0 Processing PixInsight / Bias, Flats, Darks Notes The second of the objects I imaged during this session. The Beehive cluster is the first object I (accidently) observed while trying to find Saturn out on the downs one night back in 2002 when I took up this hobby again. I remember being absolutely stunned by the sight of all these stars blazing in such a small patch of sky. The scope I was using had been bought from a work colleague for £50 (I later found out that it was considered ..”toy grade” LOL!) but it was good enough to provide decent images of brighter objects such as this one. I hope the rest of you were able to take advantage of what was a great clear spell this winter :-) David
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