Draco Trio (NGC 5981, NGC 5982 and NGC 5985)
Photo description / processing
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.
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 Night Owl 0.4x 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
- 54 × 150″ · ISO/Gain: 0 · Astrodon L ·
- 24 × 150″ · ISO/Gain: 0 · Astrodon R ·
- 24 × 150″ · ISO/Gain: 0 · Astrodon G ·
- 24 × 150″ · ISO/Gain: 0 · Astrodon B ·
Total exposure: 5 h 15 m









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