Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)
Abell 39 in HOO_RGB, 



    
        

            Kathy Walker
Abell 39 in HOO_RGB
Powered byPixInsight

Abell 39 in HOO_RGB

Abell 39 in HOO_RGB, 



    
        

            Kathy Walker
Abell 39 in HOO_RGB
Powered byPixInsight

Abell 39 in HOO_RGB

Acquisition details

Dates:
May 7, 2022
Frames:
Astrodon H-alpha 5nm: 12×600(2h) bin 1×1
Astrodon OIII 5nm: 8×900(2h) bin 1×1
Astrodon RGB: 30×120(1h) bin 2×2
Integration:
5h
Avg. Moon age:
6.02 days
Avg. Moon phase:
35.67%

Basic astrometry details

Astrometry.net job: 5749264

RA center: 16h27m33s.4

DEC center: +27°5421

Pixel scale: 1.202 arcsec/pixel

Orientation: 4.454 degrees

Field radius: 0.675 degrees

Resolution: 3220x2448

File size: 1.2 MB

Locations: Hall's Harbour Observatory (H2O), Hall's Harbour, NS, Canada

Data source: Backyard

Description

Abell 39 planetary nebula. The Abell nebulae are a fun challenge, because they are all rather dim. Trying to catch enough photons in one night requires dark skies and not too much moonlight.
The nebula is HOO, and the stars are RGB.

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