IC 443 / SH2-248 (Jellyfish Nebula)
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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