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smr

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smr last won the day on March 15 2021

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    Astronomy, Computers, Football, Formula 1
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  1. 8 hours 21m HEQ5 Pro ZWO 2600MC Pro 3 Minute Subs Darks Dark Flats Flats
  2. Delighted to unveil my image of the of Veil Nebula in the constellation Cygnus. I've finally finished processing it after photographing this on Holiday in Norfolk last month. The total exposure time is 3 hours and 20 minutes. This is one of my favourite objects in Deep Space, it's a supernova remnant from a Star which was 20 times more massive than our Sun, and exploded between 10,000 and 20,000 years ago. This part of the remnant is called the Witches' Broom, and below it, Pickering's Triangle. The emissions are made up of Hydrogen, Sulfur and Oxygen and it's 2,400 Light Years from Earth. Acquisition > Skywatcher HEQ5 Pro Rowan Belt Mod - ZWO ASI 2600MC Pro - L-eNhance Dual Narrowband Filter - Altair Starwave 50mm Guidescope - PHD2 Guiding - DSS Stacking - PS Processing - 3h20m x 180 second subs, 50 Darks, 20 Flats, 20 Dark Flats.
  3. Imaged over three nights, this is my North American & Pelican Nebula image. The total exposure time is 8 hours and 12 minutes, consisting of 164 Lights. Calibrated with Darks (-10), Flats (from one night, along with dark flats). I omitted taking any after the first night, I did take flats after the second and third night's but I hadn't realised that I had ran out of disk space just as APT was taking flats on the morning after the third night - so I calibrated with just one set of flats from the second session, which seem to have worked alright. Gear Acquisition William Optics Zenithstar 73 ZWO 2600MC Pro HEQ5 Pro Rowan Belt Mod PHD2 (Multi-star guiding) APT Stacked in Deep Sky Stacker and processed in Adobe Photoshop. Thanks for looking. Joel
  4. Thanks, yes just measured it, it is 37.3mm.
  5. Thanks. I'm not that brilliant at DIY stuff but if this is the only way to do it I'll have to give it a go. Is there anything obvious in the image above which might be contributing / causing it?
  6. Thanks for the reply. Here's a pic of what I have... it's the WOZ73 1:1 Field Flattener with spacers...
  7. I haven't been happy with the Stars in my images for some time and really want to get to correct it so that I can take images where the stars are round in all corners. Take the FITS image attached. If you zoom in on it you can see the Stars are pulled in different directions in each of the corners... Top Left Top Right Bottom Left Bottom Right Middle Any ideas as to what this is ? Is it Tilt? L_2022-07-27_00-40-07_Bin1x1_180s__-10C.fit
  8. It's a bit of both, some with the L-eNhance and some subs without.
  9. Maybe my video might help https://www.youtube.com/watch?v=j66cVp_B_Cg&t=24s
  10. Thanks all. The Gain was 100 and Offset 50, a mixture of subs, from 3 - 5 minutes.
  11. Hi, Here's my image of the Horsehead & Flame Nebula, taken last Winter and I've just got around to processing it in June. 19h27m - 374 Lights 2600MC Pro William Optics Z73 Refractor HEQ5 Pro Rowan Belt Mod
  12. How do I go about this? Have you heard about the 'Brain' feature in Sharpcap? I've just learnt of it and started reading about it - that might help me by the sound of it
  13. Cheers Martin, your Bortle 2 skies must be stunning. I'm stunned by Bortle 3/4 skies - such a difference to 5/6 at home.
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