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Globular clusters M28 & NGCC6638

Igor Malik
1562227
Category:Deep Sky
Published:
2786
Globular clusters M28 & NGCC6638NGC 6626NGC 6638
Resolution:
2374x1611 px
File size:
1381 KB

Photo description / processing

A pair of globular clusters in the constellation Sagittarius. At the top right is M28, on the left is NGC 6638. In the center is the fairly bright orange giant λ Sagittarii, or Kaus Borealis. These objects have a declination of about -25 degrees, and during the capture, they were about 10 degrees above the horizon. Balcony in Kharkiv, red zone light pollution.

Technical information

Telescope/Lens
Sky-Watcher 130PDS
Camera
Canon EOS 550D
Mount
Sky-Watcher EQ5
Guide Scope
No guide
Accessories
Sky-Watcher Coma Corrector 2-inch
Software
DeepSkyStacker, FitStacker, PhotoShop
Location
Kharkiv, Ukraine

Light pollution

Red, Bortle 7 zone

Exposure

  • 223 × 20″ · ISO/Gain: 6400

Total exposure: 1 h 14 m

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