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M101
Posted: May 18th, 2026
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NGC
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Technical Info
Telescope/Lens:
Askar 65 PHQ
Camera:
ASI 294MC
Mount:
EQ6
Guide Scope:
PHD2
Guide Camera:
ASI 120MM
Software:
DSS
Exposure:
66 x 180" ISO/Gain: 160
- UV/IR
Red, Bortle 7
zone
:
Omsk, Russia
May 17th, 2026
Invert/Mono:
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M101 Telescope/Lens: Askar 65 PHQ Camera: ASI 294MC Mount: EQ6 Guide Scope: PHD2 Guide Camera: ASI 120MM Software: DSS Omsk, Russia Light Pollution: Red, Bortle 7 zone Exposure: 66 x 180" ISO/Gain: 160 - UV/IR Original size: https://deepskyhosting.com/uHLv3ss Author: Lion
3 h 18 m
115
9
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4101x2771 px
Scale:
14827 KB
Lion
9
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Thank you for sharing your photos - this is exactly what this project is all about! :-)
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Comments
Neb
Can you please send me the TIFF? Telegram is attached in my profile.
18 May, 2026
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Lion
Replied to Neb
What TIFF, final processing?
19 May, 2026
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Neb
Replied to Lion
Yes, please provide the text you'd like me to translate.
19 May, 2026
Reply
Buzzard
I think there is a lack of dithering every, say, 3 frames. Because of this, walking noise has appeared. I had the same problem myself and also tried it on M101 :)
18 May, 2026
Reply
Lion
Replied to Buzzard
I always dither, every 4 frames, because the sky is very polluted (city), making the noise insurmountable. The main struggle :)
19 May, 2026
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Buzzard
Replied to Lion
Understood, it's a tough task. Good luck with this challenge! :)
19 May, 2026
Reply
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