M81 & M82

Objet: M81 & M82
Instrument: Takahashi TOA-150 f/7.3
Filtre Idas LPS
Caméra: SBIG STL11Km
Température DTC: -20°C
Exposition: 1X1 HA-540min(18X30m), R-300min(50X6m), G-(R+B)/2, B-300min(50X6m)
Monture: Takahashi EM-400
Traitement: Maxim DL, Photoshop
Québec, Qc Canada
19 avril 2009