Ngc 3729 and Ngc 3712 in the Big Dipper
Marc Sylvestre, a great astrophotographer and a friend made this shot (NGC3729 to tke left and NGC3718 to the right)
Total 60 minutes exposure (12 of 5min each, added by Sigma-Kappa)
Cooling : - 30°C
binning 1x1 and reducer F/3,3 on the Celestron
Automatic following by the camera.
acquisition with MaxIm DL - prétreatment with Prism - DDP treatment with Iris - fianl touch
with PhotoShop
8 april 2003 à 21 h TU
His site.
Raoul