Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 108  ·  M 97  ·  NGC 3556  ·  NGC 3587  ·  Owl nebula
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M108 and M97 (owl nebula), 



    
        

            Connolly33
M108 and M97 (owl nebula)
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M108 and M97 (owl nebula)

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M108 and M97 (owl nebula), 



    
        

            Connolly33
M108 and M97 (owl nebula)
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M108 and M97 (owl nebula)

Technical card

Imaging telescopes or lenses: Celestron 11 in RASA

Imaging cameras: DWO ASI 1600MM Cooled

Mounts: Celestron CGEM DX

Guiding cameras: Starlight Xpress Lodestar guider (mono)

Software: PHD Guiding  ·  Photoshop  ·  IP 6.5 Images Plus

Filters: LPR/UHC Filter


Dates:May 13, 2017

Integration: 0.0 hours

Avg. Moon age: 17.09 days

Avg. Moon phase: 93.99%


Basic astrometry details

Astrometry.net job: 1585123

RA center: 11h 13' 10"

DEC center: +55° 22' 8"

Pixel scale: 2.525 arcsec/pixel

Orientation: 260.343 degrees

Field radius: 0.623 degrees


Resolution: 1263x1249

Locations: Backyard, Roseville MN, Roseville, MN, United States

Description

M108 and M97 with Astronomic CLS CCD filter, ZWO 1600MMC, RASA 11 in, CGEM DX, 135 min, 1 day past full moon

Comments

Revisions

  • M108 and M97 (owl nebula), 



    
        

            Connolly33
    Original
  • M108 and M97 (owl nebula), 



    
        

            Connolly33
    B
  • M108 and M97 (owl nebula), 



    
        

            Connolly33
    C
  • Final
    M108 and M97 (owl nebula), 



    
        

            Connolly33
    D

Sky plot

Sky plot

Histogram

M108 and M97 (owl nebula), 



    
        

            Connolly33