Well, with permition from winds ...
First:
GSO 305 mm - Canon Rebel XT - OAG - Coma Corrector - Skyglow filter
ISO 400 - 42 minutes
30 seg - 2 min 30 sec - 5 x 30 sec
120seg - 16 minutes 8 x 2 min
240 seg - 24 min - 6 x 240 sec
second:
31 minutes 30 sec
30 seg - 2 min 30 sec - 5 x 30 sec
60 seg - 5 min - 5 x 60 sec
240 seg - 24 min - 6 x 240 sec
note: at down-left corner and right-upper corner there are not fungus, There are worms ! Underneath the unique glass plate over sensor. No chance to clean.
