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Contains:  Extremely wide field
Getting plate-solving status, please wait...
Ursa Major field, 


            Grozdan Grozev
Ursa Major field
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Ursa Major field

Technical card

Imaging telescopes or lenses: Canon 50 f/1.8 II

Imaging cameras: Canon EOS 77D

Mounts: Sky-Watcher Star Adventurer Pro

Software: Adobe Photoshop CC 2018  ·  Deep Sky Stacker

Dates:April 17, 2020

Frames: 22x30" ISO1600

Integration: 0.2 hours

Darks: ~20

Bias: ~9

Avg. Moon age: 24.50 days

Avg. Moon phase: 25.98%

Temperature: 11.00

Basic astrometry details job: 3431935

RA center: 13h 39' 23"

DEC center: +50° 37' 48"

Pixel scale: 14.881 arcsec/pixel

Orientation: 160.275 degrees

Field radius: 14.918 degrees

Resolution: 6004x4005

Locations: Plana site (near Geodesic Observatory “PLANA”), Sofia, Sofia, Bulgaria

Data source: Traveller


Playing with a 50mm objective was not sufficient to get the whole BigDipper in the field, so I decided to move on the handle part ;-) of it.



Grozdan Grozev
License: None (All rights reserved)

Sky plot

Sky plot


Ursa Major field, 


            Grozdan Grozev