Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
M81 & M82, 



    
        

            Jammie Thouin
M81 & M82
Powered byPixInsight
M81 & M82, 



    
        

            Jammie Thouin
M81 & M82
Powered byPixInsight

Technical card

Imaging telescopes or lenses: Orion 8" f/4.9 Newtonian

Imaging cameras: Canon EOS 1100Da

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: Orion ShortTube 80 f/5

Guiding cameras: Orion Star Shoot autoguider (SSAG)

Software: PHD Guiding  ·  EQASCOM  ·  Backyard EOS  ·  Photoshop CC  ·  Stellarium  ·  Deep Sky Stacker 3.3.4  ·  Adobe Lightroom 5.4

Filters: Astronomik CLS CCD EOS Clip

Accessory: Baader MPCC Mark III (Coma Corrector)


Dates:June 7, 2015

Frames: 45x240"

Integration: 3.0 hours

Avg. Moon age: 19.82 days

Avg. Moon phase: 73.77%


Basic astrometry details

Astrometry.net job: 659939

RA center: 9h 55' 22"

DEC center: +69° 23' 24"

Pixel scale: 2.295 arcsec/pixel

Orientation: -55.200 degrees

Field radius: 0.726 degrees


Resolution: 1900x1253

Locations: Home observatory, Ashfield, Massachusetts, United States

Comments

Sky plot

Sky plot

Histogram

M81 & M82, 



    
        

            Jammie Thouin