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Contains:  IC 4263, M 51, NGC 5194, NGC 5195, Whirlpool galaxy
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Messier 51 by RH305, 


            Miles Zhou
Messier 51 by RH305
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Messier 51 by RH305

Imaging telescopes or lenses: Astro-Physics RH-305

Imaging cameras: SBIG STX 16803

Mounts: Astro-Physics 1600

Software: Adobe Lightroom CC  ·  PixInsight for Mac

Filters: Astrodon LRGB Gen2 E-Series Tru-Balance Filters

Dates:Jan. 12, 2018

Frames:Astrodon LRGB Gen2 E-Series Tru-Balance Filters: 71x600" -25C bin 1x1

Integration: 11.8 hours

Avg. Moon age: 25.43 days

Avg. Moon phase: 17.88% job: 2074671

RA center: 13h 29' 43"

DEC center: +47° 11' 2"

Pixel scale: 1.660 arcsec/pixel

Orientation: 1.092 degrees

Field radius: 0.658 degrees

Resolution: 2066x1971

Locations: Deep Sky West, Rowe, New Mexico, United States

Data source: Unknown


Messier 51, one of the most popular object; LRGB, by RH305 with 305mm aperture and a relatively short focal length of about 1000mm.



Miles Zhou
License: None (All rights reserved)

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Messier 51 by RH305, 


            Miles Zhou

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Members of Deep Sky West