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Contains:  IC 4263, M 51, NGC 5194, NGC 5195, NGC 5198, Whirlpool Galaxy
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M51 - Whirlpool Galaxy, 


M51 - Whirlpool Galaxy
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M51 - Whirlpool Galaxy

Technical card

Dates:May 30, 2019

Frames: 50x150" ISO400

Integration: 2.1 hours

Darks: ~25

Flats: ~9

Bias: ~150

Avg. Moon age: 25.61 days

Avg. Moon phase: 16.39%

Bortle Dark-Sky Scale: 5.00

Temperature: 14.00

Basic astrometry details job: 3381528

RA center: 13h 30' 33"

DEC center: +47° 3' 25"

Pixel scale: 0.760 arcsec/pixel

Orientation: 283.922 degrees

Field radius: 0.713 degrees

Resolution: 5550x3844

Data source: Traveller


The whirlpool galaxy, in my opinion one of the most spectacular object in the sky.
I used a cloudless night to capture the image however since it was quite humid some dew formed on my secondary mirror which spoiled the results a bit. Also the dec-axis wasn't going so well, I definitely have to tweak that.



License: None (All rights reserved)

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M51 - Whirlpool Galaxy,