Cassiopeia A (Cas A)
Constellation: Cassiopeia
Distance: 11kly
Magnitude:
R.A.: 23h23m24.0s
Dec.: +58°48.9'
Type: Supernova Remnant
Imaging Location: Dorothy Alberta
Imaging Platform: Quattro 8" Newt
Mount: EQ6 R
Guiding Setup: Lodestar offaxis
Exposure: 4x1200 Ha Sii Oiii
Date: 2019-09-05
Software: MaximDl, Pixinsight, Photoshop CS6
Ha would be the red
Cas A is 3C461 in the Third Cambridge Catalogue of Radio Sources
Extremely faint
Strongest radio source beyond our solar system