I have recently taken shipment of an ASA N12 f/3.8 astrograph and this image is the first light LRGB. I decided on a globular cluster to see sharpness, field correction and depth of light grasp. I've never shot M3 and it happened to be handy.
http://www.tvdavisastropics.com/astroimages-1_000057.htm
Here is a link to what the telescope looks like:
http://www.tvdavisastropics.com/astroimages-1_000004.htm
It is a carbon fiber OTA with a 3" Wynne corrector. It seems to handle the STL11k quite well. Its central obstruction is a little larger than I would like (39%), but it is still smaller than most RC's. The focuser is a JMI NGF-X 3". BTW, that is not a corrector plate on the front of the scope -- it's the end cap!
I am optimistic with this first light LRGB.
Best,
Tom
http://www.tvdavisastropics.com/astroimages-1_000057.htm
Here is a link to what the telescope looks like:
http://www.tvdavisastropics.com/astroimages-1_000004.htm
It is a carbon fiber OTA with a 3" Wynne corrector. It seems to handle the STL11k quite well. Its central obstruction is a little larger than I would like (39%), but it is still smaller than most RC's. The focuser is a JMI NGF-X 3". BTW, that is not a corrector plate on the front of the scope -- it's the end cap!
I am optimistic with this first light LRGB.
Best,
Tom
Attached Image:
Starsearch Observatory
Lat 42N 47' 00" Long 112W 10' 47"
Elev 1752m
www.tvdavisastropics.com