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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194, IC 4263
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M51 April 8, 2019, 


M51 April 8, 2019

M51 April 8, 2019

Technical card

Resolution: 2800x1900

Dates:April 8, 2019

Frames: 100x120"

Integration: 3.3 hours

Avg. Moon age: 3.00 days

Avg. Moon phase: 9.85% job: 2638151

RA center: 13h 29' 43"

DEC center: +47° 12' 25"

Pixel scale: 1.095 arcsec/pixel

Orientation: 0.232 degrees

Field radius: 0.515

Locations: Back yard, Las Cruces, New Mexico, United States

Data source: Backyard


The guide scope is the Orion Deluxe Mini 50mm with Helical Focuser. It has a focal length of 162mm. 100 lights were taken but 23 of them were tossed out due to haze although the haze was never enough to lose auto-guiding.

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License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


M51 April 8, 2019,