The Umbrella Galaxy ARP 189, NGC 4651
Photo description / processing
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.
Technical information
- Telescope/Lens
- Celestron CPC 800 GPS XLT
- Camera
- Starlight Xpress Trius SX-694
- Mount
- Equatorial Wedge
- Guide Scope
- Baader Guide Scope 61/250
- Guide Camera
- ZWO ASI120MM
- Accessories
- Starizona 0.75x Reducer, Astrodon LRGB E-Series Gen. 2 Filter Set
- Software
- MaxIm DL, PHD2, Pixinsight, StarTools, Adobe Photoshop, Zoner Photo Studio 14
- Location
- Chervonograd, Ukraine
Light pollution
Yellow, Bortle 5 zone
- Date taken
Exposure
- 81 × 300″ · ISO/Gain: 0 · Astrodon L ·
- 15 × 600″ · ISO/Gain: 0 · Astrodon R ·
- 15 × 600″ · ISO/Gain: 0 · Astrodon G ·
- 15 × 600″ · ISO/Gain: 0 · Astrodon B ·
Total exposure: 14 h 15 m
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