Chuck Manges
Abell-31
Abell 31
A large faint planetary nebula in the constellation of Cancer, 2000 light years away. It is nearly the same size as the Helix Nebula, but nearly 5 magnitudes dimmer at mag 12.2. It was "recently" discovered (1955) by George Abell.
This is a Hydrogen Alpha, Oxygen III, and Sulfur II filtered image taken with a QHY23M and 11" Celestron/Hyperstar System (2/29/16)
Ha 10x300sec(RED)
OIII 10x300sec(BLUE)
SII 10x300sec(GREEN)
Abell-31
Abell 31
A large faint planetary nebula in the constellation of Cancer, 2000 light years away. It is nearly the same size as the Helix Nebula, but nearly 5 magnitudes dimmer at mag 12.2. It was "recently" discovered (1955) by George Abell.
This is a Hydrogen Alpha, Oxygen III, and Sulfur II filtered image taken with a QHY23M and 11" Celestron/Hyperstar System (2/29/16)
Ha 10x300sec(RED)
OIII 10x300sec(BLUE)
SII 10x300sec(GREEN)