Celestial hemisphere:  Northern  ·  Constellation: Cancer (Cnc)  ·  Contains:  PK208+33.1
Getting plate-solving status, please wait...
Abell 30, 



    
        

            Gary Imm
Abell 30, 



    
        

            Gary Imm

Abell 30

Getting plate-solving status, please wait...
Abell 30, 



    
        

            Gary Imm
Abell 30, 



    
        

            Gary Imm

Abell 30

Acquisition details

Dates:
April 12, 2022 ·  April 13, 2022 ·  April 14, 2022
Frames:
Astrodon Gen2 I-Series Tru-Balance Blue: 30×120(1h) (gain: 120.00) -10°C bin 2×2
Astrodon Gen2 I-Series Tru-Balance Green: 30×120(1h) (gain: 120.00) -10°C bin 2×2
Astrodon Gen2 I-Series Tru-Balance Red: 30×120(1h) (gain: 120.00) -10°C bin 2×2
Astrodon H-alpha 5nm: 24×300(2h) (gain: 200.00) -10°C bin 2×2
Astrodon OIII 3nm: 60×300(5h) (gain: 200.00) -10°C bin 2×2
Integration:
10h
Avg. Moon age:
11.33 days
Avg. Moon phase:
86.71%

RA center: 08h46m53s.304

DEC center: +17°5247.90

Pixel scale: 0.344 arcsec/pixel

Orientation: -1.042 degrees

Field radius: 0.150 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 2544x1834

File size: 1.8 MB

Locations: Backyard (Mag 20.8 - Bortle 4.5), Onalaska, Texas, United States

Data source: Backyard

Description

This Abell object is a planetary nebula located 7000 light years away in the constellation of Cancer at a declination of +18 degrees.  It is a magnitude 13 PN which spans 2 arc-minutes in our apparent view.  This corresponds to a diameter of 4 light years, which is large for a PN.  The progenitor star is easily visible. 

Although both OIII and HII are present throughout the nebula sphere, the interesting aspect of this object is the detailed OIII emissions seen in the inner region.  This OIII is brightest immediately around the central star, and then forms interesting curling, pinwheel-type patterns in the inner region of the sphere.  I extended my integration time on this object to better capture those patterns.

Oddly, a small bright reddish HII region is seen near the core at 7 o’clock.

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