Exposure data
Telescope: 4.5″ Newton f=440mm
Camera: SBIG ST8300M
Filters: Baader HαLRGB
Exposure times: Hα: 34x8min L: 4x5min R: 4x5min G: 4x5min B: 4x5min
Exposure time total: 7h 20min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2023-02-10+11
Object data of IC 443
Object type: Supernova remnant
Size: 50′ x 40′
Magnitude: 12.0 mag
Constellation: Gemini
Distance: 5000 Ly
