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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194, IC 4263
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M51 unguided, 





    
        

            jsjbs
M51 unguided

M51 unguided

Technical card

Resolution: 1618x1551

Dates:March 8, 2015

Frames: 100x30" -20C

Integration: 0.8 hours

Darks: ~34

Avg. Moon age: 17.22 days

Avg. Moon phase: 93.36%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 597926

RA center: 202.476 degrees

DEC center: 47.196 degrees

Pixel scale: 1.231 arcsec/pixel

Orientation: 90.529 degrees

Field radius: 0.383 degrees

Locations: Observatory, Atlanta, GA, United States

Description

refined M51 with additional images

Comments

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jsjbs
jsjbs
License: None (All rights reserved)
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M51 unguided, 





    
        

            jsjbs