Dan,

Yes, I apologize for the mistake! The lens is a 300mm f/2,8 stop at f/5,6.
Best regards,

Danilo Pivato
--
MySiteWeb: http://www.danilopivato.com




"Dan Birchall" ha scritto nel messaggio Danilo Pivato wrote:

This was imaged with a Telephoto Nikon 200mm and ST10xme CCD camera using
H-alpha filter. Image sequence was 8 x 1800 seconds

http://www.danilopivato.com/tabulae_...6_ha_300mm.htm

From the filename, I am confused - was it at 200mm, or 300mm?

8x1800, wow, that is a lot of exposure!

-Dan