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IC 443 / SH2-248 (Jellyfish Nebula)

Category:Deep Sky
Published:
1970
IC 443 / SH2-248 (Jellyfish Nebula)IC 443IC 444
Resolution:
1981x2157 px
File size:
2398 KB

Photo description / processing

I captured this in spring when the object was already low above the horizon, and there was a full Moon during the hydrogen alpha imaging. So the quality of the original frames wasn't very good, and I didn't even try to bring out the outer parts of the nebula. Well, thanks to the weather that I managed to capture Medusa at least like this after a cloudy winter.

Technical information

Telescope/Lens
Askar FMA230
Camera
ZWO ASI294MM Pro
Mount
Sky-Watcher EQ6-R Pro
Guide Scope
SVBONY SV106
Guide Camera
ZWO ASI178MM
Accessories
ZWO ASIAIR Plus, ZWO EFW
Software
Pixinsight, Adobe Photoshop
Location
Kolomna, Russia

Light pollution

Yellow, Bortle 5 zone

Date taken

Exposure

  • 47 × 300″ · ISO/Gain: 120 · Optolong Ha 7nm, Bin2, -30C ·
  • 20 × 600″ · ISO/Gain: 120 · Optolong Oiii 6.5nm, Bin2, -30C ·

Total exposure: 7 h 15 m

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