NGC281 Pacman, RASA 8", 5 hrs

 Posted: Jan 8th, 2026
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
 Sofrino, Russia
 Aug 30th, 2025
5 h 14 m
39
IC1848: The 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 made two other versions, which are more somber. This version was helped by a second pass through Graxpert Denoise.

The start of the imaging season. I need to capture at least the simplest targets, because they aren’t available in any decent quality yet.
This folder contains darks, flats, and biases.

Processing:
In PixInsight (a slightly older version) using the revolutionary MAS: auto DBE, blurX, noiseX, MANS, starX, LHE, curves+histo, white balance adjustment;
In Siril (a newer version), GraXpert, starnet, GraXpert, recomposition. The original wasn’t saved, only a compressed version from Google Photos remains.
Resolution: 2728x2487 px
Scale: 2366 KB
Current photo Updated
  8 Jan, 2026
  5 h 14 m
IC1848: Душа 30 августа 2025 Player One Ares-C Pro AM5N RASA 8" Фильтр: Antlia Ha-Oiii для быстрых систем Frames: 157 F: 400m F/2.2 Expo: 120 sec Total: 18840 sec = 5.2 hrs Gain...
  8 Jan, 2026
  5 h 14 m
IC1848: Душа 30 августа 2025 Player One Ares-C Pro AM5N RASA 8" Фильтр: Antlia Ha-Oiii для быстрых систем Frames: 157 F: 400m F/2.2 Expo: 120 sec Total: 18840 sec = 5.2 hrs Gain...
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