The Umbrella Galaxy ARP 189, NGC 4651

 Posted: 30 Jun, 2021
The Umbrella Galaxy ARP 189, NGC 4651
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
Exposure:
81 x 300" ISO/Gain: 0 - Astrodon L
15 x 600" ISO/Gain: 0 - Astrodon R
15 x 600" ISO/Gain: 0 - Astrodon G
15 x 600" ISO/Gain: 0 - Astrodon B
Yellow zoneLight Pollution:
 Chervonograd, Ukraine
 30.06.2021
14 h 15 m
926
The Umbrella Galaxy ARP 189, NGC 4651 is a spiral galaxy located in the constellation of Coma Berenices.
The galaxy has tidal star streams in the shape of an umbrella. The streams themselves are stars cut off by gravitational forces from a small satellite galaxy, which has been torn to pieces.

L-channel - 81 x 300 sec. bin 1x1;
R-channel - 15 x 600 sec. bin 1x1;
G-channel - 15 x 600 sec. bin 1x1;
B-channel - 15 x 600 sec. bin 1x1;
Total integration time about 14:15 hours.
Resolution: 1818x1818 px
Scale: 2294 KB
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