M31

 Posted: Aug 22nd, 2025
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NGC
IC
HD
Technical Info
Telescope/Lens: Askar 103 APO 0.8X
Camera: ZWO ASI2600MC Duo + ZWO ASI294MM Pro
Mount: EQ6-R
Exposure:
108 x 300" ISO/Gain: 120 - ZWO ASI294MM PRO + Ha
919 x 30" ISO/Gain: 100 - ZWO ASI2600MC DUO
Blue, Bortle 3 zone:
 Barnaul, Russia
 Aug 21st, 2025
16 h 40 m
1387
Resolution: 7680x4320 px
Scale: 18135 KB
Seven summer nights of shooting. A mosaic of five RGB regions and two Ha. Mixed up the mosaic corners again, so the lower right corner has low integration and poor SNR.
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Comments

Great!
22 Aug, 2025 Reply
Cool. In the fall, I'll also be shooting with my Askar FRA500.
22 Aug, 2025 Reply
Dmcl Replied to Oeswww
Perfect scale for a 500mm lens. I had to make a mosaic to fit it all in (560mm).
23 Aug, 2025 Reply
Oeswww Replied to Dmcl
I'll be shooting with a reducer, which will give me 375mm, perfect for my 294 camera. I already have work done at the same focal length, but with a smaller tube. I'm expecting more from this tube)
23 Aug, 2025 Reply
Oeswww Replied to Dmcl
Well, I finally shot it after a year =) I saw your comment on Irene's post. I'll get around to Andromeda soon. I'll practice my skills and then we'll do a collab. By the way, you've got the blue showing up too. I kinda thought that with modern, not-cheap APOs that shouldn't happen anymore)
14 Sep, 2026 Reply
Dmcl Replied to Oeswww
My profile lists my Telegram. Let's talk there.
14 Sep, 2026 Reply
Oeswww Replied to Dmcl
ok
14 Sep, 2026 Reply
Beautiful
22 Aug, 2025 Reply
Very good!!!!
25 Sep, 2025 Reply

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