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NGC 2903, treasures of the constellation Leo

Category:Deep Sky
Published:
1297
NGC 2903, treasures of the constellation LeoNGC 2905NGC 2903
Resolution:
1240x920 px
File size:
135 KB

Photo description / processing

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.

Technical information

Telescope/Lens
Askar SQA 85 мм f/4.8
Camera
ZWO ASI 2600 MC Pro
Mount
Ioptron HAE 29 C
Guide Scope
Askar 52 мм F4
Guide Camera
ZWO ASI 120 MM mini
Software
SharpCap 4.0, DSS, Siril, GraXpert
Location
Петушки, Владимирская область, Россия

Light pollution

Orange, Bortle 6 zone

Date taken

Exposure

  • 2 × 600″ · ISO/Gain: 120
  • 38 × 300″ · ISO/Gain: 120
  • 16 × 180″ · ISO/Gain: 120

Total exposure: 4 h 18 m

Photo versions

NGC 2903, treasures of the constellation Leo
Current photo
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.
Reply

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