Huet 9, Hu 9, PN G 073.1-03.4
Photo description / processing
Huet 9, Hu 9, PN G 073.1-03.4 is a planetary nebula candidate in constellation Cygnus.
Hu 9 is a faint and large planetary nebula candidate with a size of 27x20 arcminutes. Was discovered by the French amateur astronomer Laurent Huet in August 2019.
This is the first colour image ever taken of Hu 9 nebula.
Coordinates: 20:29:35.35 +33:07:32.0
This image taken over several nights in September, early October 2021.
R-channel - 34 x 150 sec. bin 1x1;
G-channel - 34 x 150 sec. bin 1x1;
B-channel - 34 x 150 sec. bin 1x1;
Ha- 45 x 900 sec. bin 2x2;
OIII- 68 x 900 sec. bin 2x2.
Total integration time about 32:30 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, Astrodon 5nm H-alpha Filter, Astrodon 3nm OIII Filter
- Software
- MaxIm DL, PHD2, Pixinsight, StarTools, Adobe Photoshop, Zoner Photo Studio 14
- Location
- Chervonograd, Ukraine
Light pollution
Yellow, Bortle 5 zone
- Date taken
Exposure
- 34 × 150″ · ISO/Gain: 0 · Astrodon R ·
- 34 × 150″ · ISO/Gain: 0 · Astrodon G ·
- 34 × 150″ · ISO/Gain: 0 · Astrodon B ·
- 45 × 900″ · ISO/Gain: 0 · Astrodon Ha 5nm ·
- 68 × 900″ · ISO/Gain: 0 · Astrodon OIII 3nm ·
Total exposure: 32 h 30 m
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