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Object name: IC 443- Jellyfish Nebula   Optics:   TEC 140 Apo-refractor with original field flattener
  Objekt type: Supernova remnant   Focal lenght:   980 mm
  Constellation: Gemini   Camera:   FLI ML 16803-65
  Location / Date: Remseck / 02.March.2011   Exposure:   14 x 1200 sec H-alpha / 6 x 1200 sec OIII / 9 x 1200 sec SII / 1 x 300 sec RGB
  Distance: approx. 5000 ly   Filters:   Baader H-alpha filter 7 nm / OIII-filter 8.5 nm/ SII-filter 8 nm
  Apparent dimensions: approx. 50'   Mount:   10micron GM2000
  Real dimensions: approx. 70 ly   Autoguiding:   Off-Axis Guider - SX Lodestar
  Brightness: -   Software:   MaxIm DL / Registar / Photoshop CS3
  Position (R.A. / DEC): 06h 17' 13" / +22° 31' 05"   Image processing:   Tone-Mapping-Method / real color
 
 


E
xplanation:

IC 443 is one of the best-studied cases of supernova remnants interacting with surrounding molecular clouds.

The colors are mapped to real colors:

light red = H-alpha
OIII = blue
dark red= SII

colored stars overlay