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Contains:  NGC 5477, M 101, NGC 5457
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M101, 





    
        

            zoyah
M101

M101

Technical card

Imaging telescope or lens:Takahashi FS 152

Imaging camera:QSI 683 WSG-8

Mount:10Micron 1000HPS

Guiding telescope or lens:William Optics Megrez 80

Guiding camera:The Imaging Source DMK 41AU02.AS

Focal reducer:Takahashi Reducer 0.66

Software:PixInsight 1.8Cyril Cavadore Prism7

Resolution: 2732x2048

Dates:April 20, 2018

Frames: 71x180"

Integration: 3.5 hours

Avg. Moon age: 4.77 days

Avg. Moon phase: 23.64%

Astrometry.net job: 2037327

RA center: 210.804 degrees

DEC center: 54.349 degrees

Pixel scale: 1.388 arcsec/pixel

Orientation: 0.517 degrees

Field radius: 0.658 degrees

Locations: Observatoire personnel : Andromède, Villars-sur-Glâne, Switzerland

Data source: Backyard

Description

Seeing 4.3
M101 (NGC 5457 ou galaxie du Moulinet), est une galaxie spirale, vue de face, située dans la Grande Ourse à une distante d'environ 7 Mpc (∼22,8 millions d'a.l.). Son diamètre de 170 000 années-lumière est 70 % plus grand que celui de la Voie lactée (100 000 années-lumière) pour une masse stellaire de l'ordre de 1 000 milliards de masses solaires, environ dix fois la masse de notre galaxie.
Source : Wikipédia.

Comments

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zoyah
zoyah
License: None (All rights reserved)
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M101, 





    
        

            zoyah