Observatoire de l'Institut d'Optique Graduate School
Antenne de Saint Etienne

Venus

 

Venus, june 10, 2004, at 8h05 UT, ~ 44 h after the transit
Distance from the center of the sun ~ 3°, diameter ~ 58', phase ~ 0.15 %
VERY POOR seeing

C14 + AP 1200 GTO
Red filter Astronomik

Philips ToUcam Pro
II webcam
10 i/s, 1/1500-second exposures, all at 50 %, except gamma = 0 and gain = 20 %
Stack of
150 frames processed with Registax
Thierry Lépine – Ecole Supérieure d’Optique – Saint Etienne – France