Draco Trio (NGC 5981, NGC 5982 and NGC 5985)

 27 Dec, 2021
Draco Trio (NGC 5981, NGC 5982 and NGC 5985)
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
Exposure:
54 x 150" ISO/Gain: 0 - Astrodon L
24 x 150" ISO/Gain: 0 - Astrodon R
24 x 150" ISO/Gain: 0 - Astrodon G
24 x 150" ISO/Gain: 0 - Astrodon B
Yellow zoneLight Pollution:
 Chervonograd, Ukraine
5 h 15 m
394
Trio of Galaxies (NGC 5981, NGC 5982 and NGC 5985) is commonly known as the "Draco Trio" in the constellation Draco.
The edge-on galaxy NGC 5981 (right), the elliptical galaxy NGC 5982 (middle) and the spiral galaxy NGC 5985 (left) form a distinct trio. It is not clear if or when these galaxies might merge with each other. But there is already evidence that NGC 5982 has already merged with one or more smaller galaxies in the recent past.

This image taken in September 2021.
L-channel - 54 x 150 sec. bin 1x1;
R-channel - 24 x 150 sec. bin 1x1;
G-channel - 24 x 150 sec. bin 1x1;
B-channel - 24 x 150 sec. bin 1x1.
Total integration time about 05:15 hours.
Resolution: 2592x2097 px
Scale: 7378 KB
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