|
|
|
|
|
|
|
| |
Image taken over 2 nights, 7/1 and 7/3 2010, from Hillsborough NJ
6 hours and 20 minutes total exposure
Orion 190mm Mak-Newtonian astrograph
Celestron CGE ST-4 guided
Modified Canon XT and Astronomik 13nm Ha filter
41*600 second 800iso sub exposures
Dark, flat and bias calibrated
Ambient temperature night 1 63.3/54.0
night 2 72.0/64.5