Flemming R. Ovesen / Torben Taustrup
June 3. - 16:02 UT.
Mylar filter, H-Alpha pass, Eyepiece projection, focal length 9.9 meters (F:134 = 74 mm opening). Cookbook CCD camera. Resolution: 252 x 242. Field size: 2.2' x 1.7'. Exposure time: 0.01 sec.
Check position of Sun spot group and field size compared to the Sun.
Sun image in better resolution - file size: 122 kb
Mylar filter, focal length 2,4 meters by use of 2x tele extender (F:32 = 74 mm opening). Cookbook CCD camera. Resolution: 252 x 242. Exposure time: 1 sec.
Back to Sun index
Back to first page