Purgathofer-Weinberger 1, PuWe1 ( PN G 158.9 + 17.8 )

 Posted: 23 May, 2021
Purgathofer-Weinberger 1, PuWe1 ( PN G 158.9 + 17.8 )
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 Night Owl 0.4х, filters Astrodon LRGB E-series gen 2, Astrodon Ha 5nm, Astrodon OIII 3nm
Exposure:
30 x 150" ISO/Gain: 0 - Astrodon R
30 x 150" ISO/Gain: 0 - Astrodon G
30 x 150" ISO/Gain: 0 - Astrodon B
88 x 600" ISO/Gain: 0 - Astrodon Ha 5nm
40 x 600" ISO/Gain: 0 - Astrodon OIII 3nm
Yellow zoneLight Pollution:
 Chervonograd, Ukraine
 23.05.2021
25 h 5 m
1058
Purgathofer-Weinberger 1, PuWe1 ( PN G 158.9 + 17.8 ) is a large, circular planetary nebula in the constellation of Lynx.
PuWe1 was discovered by Alois Purgathofer and Ronald Weinberger in 1980 on the Palomar Deep Sky Survey prints. The nebula is one of the largest planetary nebulae visible in our skies, with a diameter of 20 arc minutes. PuWe1 is also one of the nearest known planetaries with a distance of only about 1200 light years.

This image taken over several nights in March-April 2021.
R-channel - 30 x 150 sec. bin 1x1;
G-channel - 30 x 150 sec. bin 1x1;
B-channel - 30 x 150 sec. bin 1x1;
Ha- 88 x 600 sec. bin 2x2;
OIII- 40 x 600 sec. bin 2x2.
Total integration time about 25:05 hours.
Resolution: 2680x2128 px
Scale: 5769 KB
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