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Contains:  M 51, NGC 5194, NGC 5195, NGC 5198, NGC 5229, Whirlpool Galaxy
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Whirpool Galaxy in L(RH)GB, 



    
        

            Jean-François Dou...
Whirpool Galaxy in L(RH)GB
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Whirpool Galaxy in L(RH)GB

Technical card


Dates:March 28, 2019Feb. 23, 2020March 23, 2020

Frames:
Astrodon Generation 2 Tru-Balance 1.25'' filters: 81x600" -20C bin 1x1
Ha 3nm: 36x600" -20C bin 1x1

Integration: 19.5 hours

Darks: ~50

Flats: ~30

Bias: ~200

Avg. Moon age: 26.86 days

Avg. Moon phase: 15.92%

Bortle Dark-Sky Scale: 4.00

Mean FWHM: 1.67

Temperature: 5.00


Basic astrometry details

Astrometry.net job: 3464409

RA center: 13h 29' 53"

DEC center: +47° 12' 10"

Pixel scale: 2.881 arcsec/pixel

Orientation: 0.452 degrees

Field radius: 1.088 degrees


Resolution: 1914x1933

Locations: Observatoire personnel "Stargate", Valence, Drôme, France

Data source: Backyard

Description

A 27 millions d'AL dans la constellation des Chiens de Chasse M51, la galaxie du Tourbillon.
M51 est composée d'une galaxie spirale NGC 5194 et d'une galaxie irrégulière NGC 5195. Les 2 galaxies sont en interaction et reliées par un pont de matière.

La grande galaxie NGC 5194 a un diamètre de 100.000 AL comparable à notre galaxie La Voie Lactée.

Comments

Author

Douroux
Jean-François Dou...
License: None (All rights reserved)
1770
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Whirpool Galaxy in L(RH)GB, 



    
        

            Jean-François Dou...