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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194
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M51 (Reprocess) , 


            Andres Noriega
M51 (Reprocess)

M51 (Reprocess)

Technical card

Resolution: 984x1161

Dates:April 4, 2016

Frames: 37x300"

Integration: 3.1 hours

Avg. Moon age: 26.12 days

Avg. Moon phase: 12.57% job: 1302101

RA center: 202.455 degrees

DEC center: 47.427 degrees

Pixel scale: 2.648 arcsec/pixel

Orientation: -169.343 degrees

Field radius: 0.560 degrees

Locations: Alpheratz Observatory, Tecate, Baja California, Mexico


M51, The whirlpool galaxy, one of my favorite objects in the sky, I took this pic some weeks after I got my CCD camera (April 2016) and therefore I hadn’t too much experience at that time. Now I’m sure that i can get a much better shot of it and that’s why I decided to photograph this one more time, but right now I only can reprocess the frame that I already have.
In some monitors, stains on the pic can be seen; I wasn’t able to remove them neither with PixInsight nor PS6.
Anyway, I’ll photograph this object again with my Star 71 and my AT6 as soon as it reaches a good position in the sky.



Andres Noriega
License: None (All rights reserved)

Sky plot

Sky plot


M51 (Reprocess) , 


            Andres Noriega