Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4485  ·  NGC 4490
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The Cocoon Galaxy., 


            Vlad Onoprienko
The Cocoon Galaxy.
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The Cocoon Galaxy.

Technical card

Imaging telescopes or lenses: 9" MK "Santel"

Mounts: Sky-Watcher EQ6 Pro

Guiding cameras: QSI 640i

Filters: Baader L  ·  Baader Planerarium 7 nm H-Alpha  ·  Baader RGB Filters

Accessory: Starlight Xpress Off Axis Guider  ·  Starlight Xpress Lodestar  ·  Starlight Xpress Fliter Wheel

Dates:April 28, 2016May 2, 2016May 8, 2016

Baader Planerarium 7 nm H-Alpha: 7x1200" -30C bin 2x2
Baader Planerarium 7 nm H-Alpha: 3x1800" -30C bin 2x2
Baader L: 21x1200" -30C bin 1x1
Baader RGB Filters: 34x300" -30C bin 2x2

Integration: 13.7 hours

Avg. Moon age: 15.70 days

Avg. Moon phase: 32.09%

Basic astrometry details

Astrometry.net job: 1082753

RA center: 12h 30' 37"

DEC center: +41° 38' 45"

Pixel scale: 0.512 arcsec/pixel

Orientation: 179.358 degrees

Field radius: 0.199 degrees

Resolution: 1988x1966

Data source: Traveller


Sky plot

Sky plot


The Cocoon Galaxy., 


            Vlad Onoprienko