Crescent Nebula in OIII Pack Wide Field

Francesco Di Cencio
Belluno – Italy – Dolomites
TS Individual 152/900 (for the Crescent Ha)
TS Apo Triplet 102/537 flatfield
Celestron CGE+TDM
QHY9
This is the same image previously uploaded but with a different elaboration tec.
2012-07-20T00:00:00