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Contains:  NGC 5195, Whirlpool galaxy, M 51, NGC 5194, IC 4263
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M51 - Whirpool Galaxy - Version Cropée - 7 juillet 2018, 





    
        

            dsoulasphotographie
M51 - Whirpool Galaxy - Version Cropée - 7 juillet 2018

M51 - Whirpool Galaxy - Version Cropée - 7 juillet 2018

Technical card

Resolution: 2034x1358

Dates:July 7, 2018

Frames:
89x75" ISO1600
5x90" ISO1600

Integration: 2.0 hours

Darks: ~21

Flats: ~31

Bias: ~50

Avg. Moon age: 23.31 days

Avg. Moon phase: 37.78%

Bortle Dark-Sky Scale: 4.00

Temperature: 20.00

Astrometry.net job: 2138518

RA center: 202.478 degrees

DEC center: 47.199 degrees

Pixel scale: 1.416 arcsec/pixel

Orientation: 259.255 degrees

Field radius: 0.481 degrees

Data source: Backyard

Description

150/750 SW
EQ3-2 double motorisation - sans autoguidage
canon 1100D non défiltré

iso 1600
version 0: 89 img à 75s + 5img à 90s - empilement DSS + PS CS6

Version cropé

21 dark
31 flat
50 offset

Comments

Author

a_centaure
dsoulasphotographie
License: None (All rights reserved)
1140
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M51 - Whirpool Galaxy - Version Cropée - 7 juillet 2018, 





    
        

            dsoulasphotographie