Abell 72 (PK 059+18.1)

 16 Feb, 2021
Abell 72 (PK 059+18.1)
Objects: Less More
Technical Info
Telescope or Lens: 8" Celestron Schmidt-Cassegrain CPC800 GPS (XLT)
Camera: Starlight Xpress Trius SX694
Mount: equatorial wedge
Guide Scope: Baader 61x250mm
Guide Camera: ASI120MM
Software: MaxIm DL6, PHD2, PixInsight, StarTools, Photoshop CC, Zoner photo studio 14
Accessories: reducer Starizona 0.75x, filters Astrodon LRGB E-series gen.2, Astrodon Ha 5nm, Astrodon OIII 3nm
Exposure:
21 x 600" ISO/Gain: 0 - Astrodon L
20 x 600" ISO/Gain: 0 - Astrodon R
20 x 600" ISO/Gain: 0 - Astrodon G
20 x 600" ISO/Gain: 0 - Astrodon B
23 x 900" ISO/Gain: 0 - Astrodon Ha 5nm
20 x 900" ISO/Gain: 0 - Astrodon OIII 3nm
Yellow zoneLight Pollution:
 Chervonograd, Ukraine
24 h 15 m
157
Abell 72 (PK 059+18.1) is a faint planetary nebula in the constellation Delphinus.
The beautiful object of George O.Abell's Catalog of Planetary Nebula is 5700 ± 1150 light years from earth and about 2 light years across.
The magnitude is quoted as 13.8m, but the light is spread out over an area about 2 arc minutes across.
The tiny galaxy to its south is named MCG+02-53-005 (PGC 65491) and to the right from the nebula we can see a PGC1434890 galaxy.

L-channel - 21 x 600 sec. bin 1x1;
R-channel - 20 x 600 sec. bin 1x1;
G-channel - 20 x 600 sec. bin 1x1;
B-channel - 20 x 600 sec. bin 1x1;
Ha- 23 x 900 sec. bin 2x2;
OIII- 20 x 900 sec. bin 2x2.
Total integration time about 24:15 hours.
Resolution: 1847x1565 px
Scale: 3515 KB
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