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Contains:  IC 1795, NGC 896
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IC 1795 Fish Head Nebula in SHO/RGB, 


            Chad Andrist
IC 1795 Fish Head Nebula in SHO/RGB

IC 1795 Fish Head Nebula in SHO/RGB

Technical card

Resolution: 2357x2923

Dates:Oct. 19, 2018

Astrodon 3nm OIII 31mm: 38x300" bin 1x1
Astrodon 3nm SII 31mm: 43x300" bin 1x1
Astrodon 5nm Ha 31mm: 33x300" bin 1x1

Integration: 9.5 hours

Avg. Moon age: 9.83 days

Avg. Moon phase: 74.85%

Bortle Dark-Sky Scale: 8.00 job: 2437685

RA center: 36.685 degrees

DEC center: 62.051 degrees

Pixel scale: 1.152 arcsec/pixel

Orientation: 5.838 degrees

Field radius: 0.601 degrees

Locations: Milwaukee Astronomical Society Observatory, New Berlin, Wisconsin, United States

Data source: Traveller


Taken by Milwaukee Astronomical Society member Jeff Kraehnke over multiple nights in 2017 and 2018 through heavily light polluted Milwaukee skies. Data processed by Chad Andrist (myself) using Pixinsight 1.8.6 in a Linux environment.

Additional RGB star data was blended into the masked SHO image to create more natural looking stars.



Chad Andrist
License: None (All rights reserved)

Sky plot

Sky plot


IC 1795 Fish Head Nebula in SHO/RGB, 


            Chad Andrist