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NGC 4490

Evgeniy Osharov
1341564
Category:Deep Sky
Published:
1211
NGC 4490NGC 4485NGC 4490
Resolution:
3494x2294 px
File size:
4513 KB

Photo description / processing

Moon 94%, atmosphere very soapy. Did not use a guide, with such atmosphere there was no point, the mount guided itself. Lowered the oxygen contribution, otherwise hydrogen was heavily whitened, galaxies after collision, very active.

Technical information

Telescope/Lens
Sky-Watcher 25012
Camera
ZWO ASI294MM Pro
Mount
MT-90M
Accessories
CC SkyWatcher f4, zwo efw, optolong LRGBHO
Software
DeepSkyStacker, FITStacker14c, Adobe Photoshop
Location
Красноярск, Россия

Light pollution

Yellow, Bortle 5 zone

Date taken

Exposure

  • 228 × 60″ · ISO/Gain: 120 · L bin2 ·
  • 40 × 60″ · ISO/Gain: 120 · R bin2 ·
  • 40 × 60″ · ISO/Gain: 120 · G bin2 ·
  • 40 × 60″ · ISO/Gain: 120 · B bin2 ·
  • 18 × 60″ · ISO/Gain: 120 · H bin2 ·
  • 17 × 60″ · ISO/Gain: 120 · O bin2 ·

Total exposure: 6 h 23 m

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