Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  20 Aur  ·  The star ρ Aur
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Sh2-223 and SH2-224, Simon
Sh2-223 and SH2-224
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Sh2-223 and SH2-224

Getting plate-solving status, please wait...
Sh2-223 and SH2-224, Simon
Sh2-223 and SH2-224
Powered byPixInsight

Sh2-223 and SH2-224

Equipment

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Acquisition details

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Description

Well this was a nightmare! I knew I was pushing the boat out. I live in a Bortle 5-6 area, although with that said, I cannot see with my naked eye the things I am supposed to see with that level of sky - like Andromeda's galaxy, not ever, not even with averted vision. So, I am not sure what my skies are really like. Aperture is what makes a scope 'faster', not reducers, and as that is so I used my 400mm, 80mm f5 refractor, because it was the biggest aperture I had for fairly widefield imaging. I then used, for the first time ever, my 0.65 reducer with this scope, [effectively making it f3.25] to get the required field of view. I could have used my 61mm scope, but as I said I needed as much aperture as I could get, with a required FOV  - an 8" RASA would have been useful!! I had two clear nights for this and because I do not use plate solving, locating the objects and placing them in the field of view, was not easy, hence why this is a cropped version and if I had my chance again I would have moved it all north east, to centralise everything and get 223 away from the bottom of the frame.

With all that said, I only got 51 Has and 31 OIIIs - cloud came in for the OIII session, and I so could have done with more!! The problem is at 8 minute exposure lengths, one cloud coming in, ruins 8 minutes! The OIII data was so minimal that I had to be very inventive in getting it to stand out in the image at all. I am never particularly positive about my images, or my ability at anything much if I am honest, but today, this is an achievement for me! I have not got a world class image like some  people obtain, but with my skies, my weather, my gear and lack of integration time, this image means something to me. I have always wanted to photograph this part of the sky, and have never been able to get anything before - but now I have! Please don't ask me to process it all again!! Each sub was 8 minutes and I even had a moon at roughly 55% illumination to battle with! I think I literally scraped the last dreg of data out of the set, to get this. Crazy! I think this might be my last offering for a while, as the weather has turned again, although Monday might be ok. Cheers everyone. Simon

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Revisions

  • Final
    Sh2-223 and SH2-224, Simon
    Original
  • Sh2-223 and SH2-224, Simon
    B

B

Title: Starless version

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Sky plot

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Sh2-223 and SH2-224, Simon