Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)
Getting plate-solving status, please wait...
Abell 85, supernova remnant, 



    
        

            Kathy Walker
Abell 85, supernova remnant
Powered byPixInsight

Abell 85, supernova remnant

Getting plate-solving status, please wait...
Abell 85, supernova remnant, 



    
        

            Kathy Walker
Abell 85, supernova remnant
Powered byPixInsight

Abell 85, supernova remnant

Acquisition details

Dates:
Sept. 20, 2021 ·  Sept. 21, 2021 ·  Sept. 22, 2021
Frames:
Astrodon H-alpha 5nm: 60×600(10h) bin 1×1
Astrodon OIII 5nm: 38×900(9h 30′) bin 1×1
Integration:
19h 30′
Avg. Moon age:
15.24 days
Avg. Moon phase:
99.04%

Basic astrometry details

Astrometry.net job: 5030515

RA center: 23h59m25s.7

DEC center: +62°2512

Pixel scale: 1.203 arcsec/pixel

Orientation: 181.312 degrees

Field radius: 0.659 degrees

Resolution: 3168x2344

File size: 1.1 MB

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

Data source: Backyard

Description

Wow, those Abell nebulae are super-faint.  This is the second one I have attempted.  I have nearly 20 hours in it, and it still could use another 20 or 30 hours.  Maybe next year.Abell-85 is a supernova remnant.  The palette is a modified HOO.

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