NGC896 aka IC1795 - The Fishhead Nebula RGB enhanced with H and OIII

The Fishhead Nebula in RGB+H and OIII

The Fishhead Nebula in Cassiopeia  
Scope: 12.5" Planewave CDK
Camera: Apogee U16M w Astrodon Gen II H-Alpha, RGB filters
Mount: Paramount ME (MKS5000)
33/28/28 x 10 min for RGB
44 x 20 min H-Alpha
85 x 20 min OIII
Acquired with TSX and CCD-Commander
RGB, OIII and H-Alpha processed in PixInsight
Combined in PS CC 2023 as: (Red+Ha100%) (G+OIII100%) (B+Ha20%+OIII100%)

Here is a processing of the pure RGB:

Fishhead in RGB

Below is the ~ 15 hours H-Alpha channel alone for comparison (uncropped):

Fishhead in H-Alpha

Lucknow, Ontario
Oct 2022

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