Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 108  ·  M 97  ·  M108  ·  M97  ·  NGC 3556  ·  NGC 3587  ·  Owl Nebula  ·  Owl nebula  ·  PK148+57.1
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M97 (Owl nebula) and M108, 



    
        

            Richard Kelley
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M97 (Owl nebula) and M108

Imaging telescopes or lenses: Stellarvue SVX130T

Imaging cameras: ZWO ASI2600MC Pro

Mounts: iOptron CEM60

Guiding telescopes or lenses: William Optics GuideStar 61

Guiding cameras: ZWO ASI290MM mini

Focal reducers: Stellarvue SFF4-130T-35SV flat-field corrector 1.0x

Software: Ripley PixInsight 1.8.6  ·  Topaz Labs Topaz DeNoise 6  ·  Adobe Lightroom 2017

Filters: IDAS NGS1

Accessory: ZWO ASIair Pro


Dates:March 4, 2021

Frames:IDAS NGS1: 43x180" (gain: 0.00) -20C bin 1x1

Integration: 2.1 hours

Darks: ~60

Flats: ~60

Flat darks: ~60

Avg. Moon age: 20.45 days

Avg. Moon phase: 67.63%

Bortle Dark-Sky Scale: 7.00

Temperature: 1.00


Astrometry.net job: 4281523

RA center: 11h 13' 6"

DEC center: +55° 20' 47"

Pixel scale: 0.853 arcsec/pixel

Orientation: 53.572 degrees

Field radius: 0.803 degrees


Resolution: 5629x3777

Locations: Backyard, Silver Spring, MD, United States

Data source: Backyard

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M97 (Owl nebula) and M108, 



    
        

            Richard Kelley