Hemisphere:  Northern  ·  Constellation: Coma Berenices (Com)  ·  Contains:  IC 3476  ·  M 88  ·  M 91  ·  NGC 4501  ·  NGC 4516  ·  NGC 4548
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Messier 91 and Messier 88, 



    
        

            MJF_Memorial_Observatory
Messier 91 and Messier 88
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Messier 91 and Messier 88

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Messier 91 and Messier 88, 



    
        

            MJF_Memorial_Observatory
Messier 91 and Messier 88
Powered byPixInsight

Messier 91 and Messier 88

Technical card

Imaging telescopes or lenses: Explore Scientific ED152 APO f/8

Imaging cameras: ZWO ASI1600MM Pro-Cool

Mounts: Meade LX850 Starlock

Focal reducers: Explore Scientific 3" Field Flattener & .7X Focal Reducer - FFFR507X-00

Software: Adobe Photoshop CS5  ·  Deep Sky Stacker

Filters: Astronomik CLS-CCD Light Pollution Filter - 2"

Accessory: Meade Starlock AutoGuider


Dates:April 9, 2021

Frames: 31x180" (1h 33')

Integration: 1h 33'

Avg. Moon age: 27.13 days

Avg. Moon phase: 6.39%


Basic astrometry details

Astrometry.net job: 4396384

RA center: 12h 33' 37"

DEC center: +14° 14' 38"

Pixel scale: 0.897 arcsec/pixel

Orientation: 359.068 degrees

Field radius: 0.717 degrees


Resolution: 4604x3456

Locations: MJF Memorial Observatory, Casper, WY, United States

Data source: Backyard

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