Hemisphere:  Northern  ·  Constellation: Vulpecula (Vul)  ·  Contains:  PK072-17.1
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Abell 74 in HOO with Galaxy PGC66471, 



    
        

            Paul H
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Abell 74 in HOO with Galaxy PGC66471

Getting plate-solving status, please wait...
Abell 74 in HOO with Galaxy PGC66471, 



    
        

            Paul H
Powered byPixInsight

Abell 74 in HOO with Galaxy PGC66471

Acquisition details

Dates:
Aug. 20, 2021 ·  Aug. 21, 2021
Frames:
Astrodon H-alpha 3nm: 206×1200(68h 40′) -20°C bin 1×1
Astrodon OIII 3nm: 55×1200(18h 20′) bin 1×1
Integration:
87h
Darks:
20
Flats:
20
Bias:
100
Avg. Moon age:
13.19 days
Avg. Moon phase:
96.91%
Bortle Dark-Sky Scale:
4.00

RA center: 21h16m49s.356

DEC center: +24°0824.22

Pixel scale: 0.810 arcsec/pixel

Orientation: -90.906 degrees

Field radius: 0.287 degrees

More info:Open 

Resolution: 2000x1581

File size: 954.7 KB

Locations: Backyard Observatory, Tehachapi, California, United States

Data source: Backyard

Description

Abell 74 has definitely been my most challenging object to date. I did not check it's brightness before I started imaging and I was pretty amazed that I could barely see it on my first stack of Ha.  So I kept shooting and shooting till it looked like I had enough data to process.

Acquisition in August 2021
Days: 9, 10, 11, 12, 13, 14, 15, 17, 18, 20, 21, 23, 24, 25, 26, 27, and 28.

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Abell 74 in HOO with Galaxy PGC66471, 



    
        

            Paul H

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