NGC281 Pacman, RASA 8", 5 hrs

 Posted: Jan 8th, 2026
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Technical Info
Telescope/Lens: Celestron RASA 8
Camera: Player One Ares-C
Mount: ZWO AM5N
Software: Nina, Siril и PixInsight
Exposure:
157 x 120" ISO/Gain: 100 - Antlia Dualband 5nm
Orange, Bortle 6 zone:
 Sofrino, Russia
 Aug 30th, 2025
5 h 14 m
352
Resolution: 2728x2487 px
Scale: 2366 KB
IC1848: Soul Nebula
August 30, 2025
Player One Ares-C Pro
AM5N
RASA 8"
Filter: Antlia Ha-Oiii for fast systems
Frames: 157
F: 400m
F/2.2
Exposure: 120 sec
Total: 18840 sec = 5.2 hrs
Gain: 100
Flats, darks, biases

I also made two other versions, but they turned out more disappointing. This version benefited from a second pass through Graxpert Denoise. It's the start of the imaging season. I have to at least capture the simplest targets, because I don't yet have them in any decent quality. This catalog contains darks, flats, and biases.

Processing:
In PixInsight (the yellower version) using the revolutionary MAS: auto DBE, blurX, noiseX, MANS, starX, LHE, curves+histo, white balance adjustment;
In Siril (the whiter version), GraXpert, starnet, GraXpert, recomposition.

The original was not preserved; only a recompressed version from Google Photos remains.
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