IC443 - Jellyfish Nebula
IC443 is a supernova remnant in Gemini, resembling a jellyfish with its tentacle-like filaments. It's one of the best-studied supernova remnants.
Distance: 5,000 light-years
Apparent Magnitude: 12.00
Apparent Size: 50' × 40'
Constellation: Gemini
Object Type: Supernova Remnant
Key Features:
- Supernova remnant (30,000 years old)
- Interaction with molecular cloud
- Pulsar (neutron star) at center
- Jellyfish shape from shock fronts
- Strong Ha and OIII emission
Best Imaging Season: December - March
Optimal Integration: 15+ hours (Ha/OIII)
