• Welcome to Orpington Astronomical Society.
 

News:

New version SMF 2.1.4 installed. You may need to clear cookies and login again...

Main Menu

North America widefield

Started by RobertM, May 25, 2015, 22:47:19

Previous topic - Next topic

0 Members and 1 Guest are viewing this topic.

Print
Go Down Pages 1 2 All
User actions

Fay

#15
May 27, 2015, 09:38:30
How long an exposure would you have to do with a 7.5 scope to get same result, Robert?
It is healthier to be mutton dressed as lamb, than mutton dressed as mutton!

RobertM

#16
May 27, 2015, 13:44:50
Something like about 7 times but you would need extremely well corrected optics to make full use of the sensor size.
Print
Go Up Pages 1 2 All
User actions