The Orion's Ring Nebula, Abell 13 (PK204-8.1)

 19 Sep, 2020
The Orion's Ring Nebula, Abell 13 (PK204-8.1)
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
Exposure:
23 x 300" ISO/Gain: 0 - Astrodon L
18 x 300" ISO/Gain: 0 - Astrodon R
18 x 300" ISO/Gain: 0 - Astrodon G
18 x 300" ISO/Gain: 0 - Astrodon B
35 x 600" ISO/Gain: 0 - Astrodon Ha 5nm
Yellow zoneLight Pollution:
 Chervonograd, Ukraine
12 h 15 m
159
The Orion's Ring Nebula, Abell 13 (PK204-8.1) is a planetary nebula located approximately 3,900 light-years away in Orion.
The object is a very faint (15.3 m), the main emission lines are Ha and NII. Angle dimensions 2.9'x2.2'. The central blue star has a magnitude of about 18.8m.

L-channel - 23 x 300 sec. bin 1x1;
R-channel - 18 x 300 sec. bin 1x1;
G-channel - 18 x 300 sec. bin 1x1;
B-channel - 18 x 300 sec. bin 1x1;
Ha- 35 x 600 sec. bin 2x2.
Total integration time - 12:15 hours.
Resolution: 1576x1341 px
Scale: 2179 KB
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