Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  NGC 4627  ·  NGC 4631  ·  NGC 4656  ·  NGC 4657  ·  Whale Galaxy
Whale and Hockey Stick Galaxy, 


            Kristof Dierick
Whale and Hockey Stick Galaxy
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Whale and Hockey Stick Galaxy

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Technical card

Imaging telescopes or lenses: TS Optics Photoline 102/715 Triplet

Imaging cameras: ZWO ASI1600mm-Cool

Mounts: Sky-Watcher EQ6 GOTO Synscan

Guiding telescopes or lenses: ZWO 60/280 Guiderscope

Guiding cameras: ZWO ASI120MC

Filters: Astronomik Ha 31mm 6nm  ·  Astronomik L2 Luminance 31mm  ·  Astronomik Blue 31mm  ·  Astronomik Green 31mm  ·  Astronomik Red 31mm

Dates:March 28, 2020

Frames: 113x300"

Integration: 9.4 hours

Avg. Moon age: 3.68 days

Avg. Moon phase: 14.57%

Basic astrometry details

Astrometry.net job: 3869122

RA center: 12h 42' 51"

DEC center: +32° 18' 18"

Pixel scale: 1.097 arcsec/pixel

Orientation: 316.968 degrees

Field radius: 0.810 degrees

Resolution: 4341x3077

Locations: Backyard - Aan de kerk, Mielen-boven-Aalst, Limburg, Belgium

Data source: Backyard


While cleaning up my diskspace, I found my processing of this nice galaxy duo. It's an HaLRGB composit of 113x300" frames.


Sky plot

Sky plot


Whale and Hockey Stick Galaxy, 


            Kristof Dierick