Astrophotography Galaxy

Astrophoto: Galaxy Cluster – Abell 2151 – 06/23

Reprocessed 2024: Now … this reprocessing was really worth it. This one brought more galaxies to light than the one before.

My attept at collection enough photons from the galaxy group Abell 2151. Even 2 summer nights are not enough.

56 Subs, each 300s with my Vixen VC200L VISAC at 1280mm focal length on my HEQ5pro with my CANON EOS M100(a) in Koblenz, Germany.
Stacking and integration was done with PixInsight. Finalization with Affinity Photo.

After a series of several clear nights in a row I wanted to test the outcome of 3 short summer nights on a galaxy cluster. The result is ok, but that kind of a target really needs more time, double or more and darker sky. This is not the kind of target I should try from bortle 5.

High resolution on Astrobin:

Workflow comparison – 2023 vs 2024

Technical Overview

TelescopeVixen VISAC VC200L
Focal Length1280mm
Erecting LenseVixen Reducer x0.71
CameraCANON EOS M100(a)
Guiding: OAG1280mm
Guiding CameraQHY 5-III-462C
Photography Date06/14/2023
Exposure-Time Lights56x300s
Correction framesFLATS, BIASES
SensitivityISO 400
Processing Date06/19/2023
Reprocessing Date01/20/2024
Software-StackEKOS/INDI; PixInsight; Affinity Photo
Capture PlaceKoblenz, Germany

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