Strottner-Drechsler 15 (StDr 15)

 Posted: 22 Feb, 2022
Strottner-Drechsler 15 (StDr 15)
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:
60 x 150" ISO/Gain: 0 - Astrodon L
20 x 150" ISO/Gain: 0 - Astrodon R
20 x 150" ISO/Gain: 0 - Astrodon G
20 x 150" ISO/Gain: 0 - Astrodon B
61 x 900" ISO/Gain: 0 - Astrodon Ha 5nm
69 x 900" ISO/Gain: 0 - Astrodon OIII 3nm
Yellow zoneLight Pollution:
 Chervonograd, Ukraine
 22.02.2022
37 h 30 m
522
Strottner-Drechsler 15 (StDr 15) is a planetary nebula candidate in the constellation Cepheus.
StDr 15 is a rather faint object, visible in the center of the image with a size of about 5x3.8 arc minutes. This nebula was discovered by Xavier Strottner and Marcel Drechsler in November 2019.
StDr 15 is located in the sky at the bottom side of the dark nebula complex LDN 1072, which occupies most part of the image. At the bottom of the image and slightly to the right is another dark nebula-LDN 1064.
This is the first color image of the StDr 15 nebula.
StDr 15 in Cepheus: 21 15 06.92 +55 55 52.6

This image taken over several nights in November, December 2021.
L-channel - 60 x 150 sec. bin 1x1;
R-channel - 20 x 150 sec. bin 1x1;
G-channel - 20 x 150 sec. bin 1x1;
B-channel - 20 x 150 sec. bin 1x1;
Ha- 61 x 900 sec. bin 2x2;
OIII- 69 x 900 sec. bin 2x2.
Total integration time about 37:30 hours.
Resolution: 2750x2200 px
Scale: 9013 KB
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