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NGC 6946 (Fireworks Galaxy) and NGC 6939

Category:Deep Sky
Published:
1849
NGC 6946 (Fireworks Galaxy) and NGC 6939NGC 6939NGC 6946
Resolution:
4807x3281 px
File size:
4864 KB

Photo description / processing

The Fireworks Galaxy (NGC 6946) is 22 million light-years away from us and has a diameter of about 40,000 light-years. The galaxy's angular size is 11.5'x9.5'. NGC 6939 is an open star cluster 3,900 light-years away from us, consisting of approximately 500 stars, and looks like scattered diamond dust! The cluster's angular size is 9'x9'. Both objects are, without a doubt, like two pearls in the crown of the constellation Cepheus! Captured in one night in monochrome, in RGB format.

Technical information

Telescope/Lens
Sharpstar 130/2.8
Camera
ZWO ASI183MM Pro
Mount
Ioptron HAE 29
Guide Scope
ZWO 30mm f/4 Guide Scope
Guide Camera
SVBONY SV905C
Software
SharpCap, Siril
Location
Петушки, Владимирская область, Russia

Light pollution

Red, Bortle 7 zone

Date taken

Exposure

  • 34 × 120″ · ISO/Gain: 120 · zwo R ·
  • 28 × 120″ · ISO/Gain: 120 · zwo G ·
  • 28 × 120″ · ISO/Gain: 120 · zwo B ·

Total exposure: 3 h 0 m

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