Big Bubble Nebula

Published:
Ãlvaro Ibáñez Pérez
Daganzo de Arriba, Madrid, Spain
Telescope: TS115 Triplet APO 800mm f/7
Camera: Atik 460EX Mono
Filters: Baader Ha 7nm, Baader OIII 8,5nm
Mount: NEQ6 Pro II + EQMOD
Guider setup: Lunático EZG-60 + Lodestar
Exposure: Ha: 20x600s, OIII:10x600s
Bubble Nebula is a HII region emission nebula in the constellation Cassiopeia.
2014-10-18T00:00:00