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NGC 2903 (processed in the new version of Siril 1.4.0.)

Category:Deep Sky
Published:
1440
NGC 2903 (processed in the new version of Siril 1.4.0.)NGC 2905NGC 2903
Resolution:
1211x954 px
File size:
87 KB

Technical information

Telescope/Lens
Askar SQA 85
Camera
ZWO ASI2600MC PRO
Mount
Ioptron HAE 29 C
Guide Scope
Askar 52mm F4
Guide Camera
ZWO ASI 120 MM mini
Software
SharpCap, DeepSkyStacker, Siril, GraXpert
Location
Петушки, Владимирская область, Россия

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 2 × 600″ · ISO/Gain: 100 · Фильтр IR CUT ·
  • 38 × 300″ · ISO/Gain: 100 · Фильтр IR CUT ·
  • 16 × 180″ · ISO/Gain: 100 · Фильтр IR CUT ·

Total exposure: 4 h 18 m

Photo versions

NGC 2903, treasures of the constellation Leo
NGC 2903, treasures of the constellation Leo

Apr 11th, 2025

4 h 18 m

One of the first spring galaxies! The distance to NGC 2903 is about 30 million light-years. Its diameter is 100,000 light-years. Its angular size is 12.6'x6.0'. Photographed on March 21.

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Comments

Oleg Novoselov
Try stacking this object with drizzle, but first discard the two 600-second frames—the stars are clearly blown out—and then reprocess it.
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