Abell 31 (PK 219 + 31.1 or Sharpless 290)

Posted: Sep 27th, 2020

Technical Info

Telescope/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:

26 x 300" ISO/Gain: 0 - Astrodon L

10 x 600" ISO/Gain: 0 - Astrodon R

10 x 600" ISO/Gain: 0 - Astrodon G

10 x 600" ISO/Gain: 0 - Astrodon B

30 x 900" ISO/Gain: 0 - Astrodon Ha 5nm

26 x 900" ISO/Gain: 0 - Astrodon OIII 3nm

Yellow zoneLight Pollution:

Chervonograd, Ukraine

Sep 26th, 2020

ABELL 31 (PK 219 + 31.1 OR SHARPLESS 290)

Telescope/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

Chervonograd, Ukraine
Light Pollution: Yellow zone

Exposure:
26 x 300" ISO/Gain: 0 - Astrodon L
10 x 600" ISO/Gain: 0 - Astrodon R
10 x 600" ISO/Gain: 0 - Astrodon G
10 x 600" ISO/Gain: 0 - Astrodon B
30 x 900" ISO/Gain: 0 - Astrodon Ha 5nm
26 x 900" ISO/Gain: 0 - Astrodon OIII 3nm

Abell 31 (PK 219 + 31.1 or Sharpless 290) is one of the largest observable planetary nebulae, located in the constellation Cancer. The visible diameter is about 970", which almost corresponds to the diameter of the famous Helix Nebula (NGC 7293).
 
 L-channel - 26 x 300 sec. bin 1x1;
 R-channel - 10 x 600 sec. bin 1x1;
 G-channel - 10 x 600 sec. bin 1x1;
 B-channel - 10 x 600 sec. bin 1x1;
 Ha- 30 x 900 sec. bin 2x2;
 OIII- 26 x 900 sec. bin 2x2.
 Total integration time - 21:10 hours.

Original size: https://deepskyhosting.com/OijvCro
Author: Boris_US5WU

21 h 10 m

2086

Abell 31 (PK 219 + 31.1 or Sharpless 290) is one of the largest observable planetary nebulae, located in the constellation Cancer. The visible diameter is about 970", which almost corresponds to the diameter of the famous Helix Nebula (NGC 7293).

L-channel - 26 x 300 sec. bin 1x1;
R-channel - 10 x 600 sec. bin 1x1;
G-channel - 10 x 600 sec. bin 1x1;
B-channel - 10 x 600 sec. bin 1x1;
Ha- 30 x 900 sec. bin 2x2;
OIII- 26 x 900 sec. bin 2x2.
Total integration time - 21:10 hours.

Resolution: 2040x1717 px

Scale: 2455 KB