Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  NGC 3031  ·  NGC 3077
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M81 galaxy (Ursa Major), 



    
        

            Denis Bergeron
M81 galaxy (Ursa Major)
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M81 galaxy (Ursa Major)

Getting plate-solving status, please wait...
M81 galaxy (Ursa Major), 



    
        

            Denis Bergeron
M81 galaxy (Ursa Major)
Powered byPixInsight

M81 galaxy (Ursa Major)

Technical card

Imaging telescopes or lenses: Televue refractor NP-101 (10cm F5, FL: 540mm)

Imaging cameras: SBIG ST-10XME SBIG

Mounts: Ioptron IEQ 45 GTN

Guiding cameras: Orion Starshoot Autoguider

Software: PIXINSIGHT Pleiades  ·  Photoshop CS5 Adobe  ·  MaxIm DL Pro 6 Diffraction ltd

Filters: LRGB Tru balance E-series Astrodon

Accessory: Orion Magnificent Mini Deluxe AutoGuider


Dates:Jan. 15, 2015

Frames:LRGB Tru balance E-series Astrodon : 51x300" (4h 15') -35C bin 1x1

Integration: 4h 15'

Darks: 20

Flats: 20

Bias: 20

Avg. Moon age: 24.13 days

Avg. Moon phase: 29.54%

Temperature: -25.00


Basic astrometry details

Astrometry.net job: 565250

RA center: 09h55m49s.4

DEC center: +69°0314

Pixel scale: 2.574 arcsec/pixel

Orientation: -179.174 degrees

Field radius: 0.852 degrees


Resolution: 2023x1263

Locations: Observatoire Val-des-Bois (819), Val-des-Bois, Quebec (Outaouais), Canada

Description

Voici une image de la galaxie M81 dans Ursa Major prise durant 255mn (5mn X 51 images) avec une caméra CCD Sbig St10 XME avec filtres LRGB Astrodon. Le prétraitement et le traitement ont été faite avec les logiciels Pixinsight et Photoshop. On voit des gaz partout autour de la galaxie et la petite tache à gauche de M81 est HOLMBERG IX une galaxie irrégulière voisine de M81.

Here is M81 galaxy in Uma taken with CCD SBIG ST10 XME and LRGB Astrodon filters. Exposure: 51 images of 5mn each processing with Pixinsight and Adobe Photoshop CS5.

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M81 galaxy (Ursa Major), 



    
        

            Denis Bergeron