--- In ccdimaging2@yahoogroups.com, "starguy17th" <docain@c...> wrote:
> As I am looking at your pic.I asked my self what filters did you
use
> and what camera?
Perhaps I should have added that the scope is a Meade 10" SCT f/10
with a 3x barlow, so the Mars images were taken at an effective f/30
for an effective focal length of 7.5 metres.
Serena