Hemisphere:  Northern  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  NGC 5198  ·  Whirlpool galaxy
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M51 in July 2019, 


            Rudolf Bumm
M51 in July 2019
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M51 in July 2019

Technical card

Imaging telescopes or lenses: Celestron 8'' Newtorian

Imaging cameras: ZWO ASI1600MMC

Mounts: iOptron CEM60

Accessory: MGEN

Dates:Aug. 1, 2019

Integration: 0.0 hours

Avg. Moon age: 0.44 days

Avg. Moon phase: 0.21%

Basic astrometry details

Astrometry.net job: 3253440

RA center: 13h 29' 48"

DEC center: +47° 13' 15"

Pixel scale: 0.860 arcsec/pixel

Orientation: 236.951 degrees

Field radius: 0.613 degrees

Resolution: 3966x3264

Locations: Mirasteilas observatory, Falera, Graubünden, Switzerland

Data source: Backyard


The beautiful M51 @ Sternwarte Mirasteilas.

This image is (and has been officially) dedicated to my wife and family.
I forgot to post it on Astrobin and accidentally deleted the raw images.
So my vague guess is, that this image included approximately 5 -6 h LRGB data.

Mysterious ....



Rudolf Bumm
License: None (All rights reserved)

Sky plot

Sky plot


M51 in July 2019, 


            Rudolf Bumm