[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
[APML]: new pic
I posted a new 50mm shot of Cygnus and the NA nebula in my pics page I am
happy with . 400 ISO Eleite slide film, exposure unrecorded (probally about 15 min).
http://www.multiboard.com/~joneil/pics.html
I am also adding infromation aobut the 4x5 sheet film astrograph. Sorry, no
pictures as of yet. I am still developing them. The big, big, big problem with this
size film is that the effects of feild rotation really show up quickly.
Trying to polar algin with a motor drive that cuts in and out of operation on
you is a real bear of a job - impossible in fact. I was using drift alignment.
Another problme is even with my "brick outhouse" steel tripod, you still ahve factors
such as the gorund setteling, so you have to re-align each night. That, and the fact
I was at a Starparty (StarFest, Canada's largest, about 1000 people), you have people
comming by all day, looking at your equipment, bumping into it, etc. A permenant
location is the only way to go here.
joe
--
joneil@obs.empath.on.ca
http://www.multiboard.com/~joneil
Astro-photo, infra-red, large format, B&W
and a single picture of my psychotic cat.