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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194
Getting plate-solving status, please wait...
M51- Whirlpool Galaxy, 


            Mark Spruce
M51- Whirlpool Galaxy

M51- Whirlpool Galaxy

Technical card

Resolution: 939x887

Dates:May 23, 2016

Frames: 30x120"

Integration: 1.0 hours

Avg. Moon age: 16.26 days

Avg. Moon phase: 97.51% job: 1085830

RA center: 13h 29' 54"

DEC center: +47° 12' 39"

Pixel scale: 0.961 arcsec/pixel

Orientation: -169.701 degrees

Field radius: 0.172

Locations: Observatory, Wolverhampton, West Midlands, United Kingdom


M51 - Taken as a quick test of polar alignment and only an hours worth of data with a full moon, so I did not expect much. However it came out better than I thought. I will have another go at this one when conditions are more favourable and aim for 2.5 - 3 Hours worth of data.



Mark Spruce
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


M51- Whirlpool Galaxy, 


            Mark Spruce