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1st Light, Pentax 100 SDUF II

Started by jameslbrown, 10/05/2010 03:30AM
Posted 10/05/2010 03:30AM Opening Post
Hi all:

The attached images are from my first several imaging runs with a used Pentax 100 SDUF II telescope I bought here on Astromart. The Pentax is a 100mm f4 refractor. I am using it with a camera rig consisting of an FLI Microline 11002M, PDF focuser and FLI filter wheel with Baader filters. The camera train stays all hooked together and I can attach it to my TEC, the Pentax telescope or any number of Pentax 6X7 camera lenses without any issues. The setup with the Pentax is pretty nifty because it is so small (but very robust) that I can haul the entire telescope and camera rig from the house to my Mach 1 mount all hooked up and ready to go. This makes multi-night sessions a breeze for the observatory-challenged. (My mount stays outside on a pier and in a bag all the time.)

With the Pentax SDUF II and Kodak 11002M chip the field of view is a hefty 5.17 degrees by 3.43 degrees. The blue channel is a bit bloated. I am going to try to refine the focusing of this channel, but it is probably just the way it goes with such a fast not-that-expensive refractive system.

This first image is a Ha+OII+RGB of the entire Veil Nebula complex. A full resolution version is here:

http://home.comcast.net/~jameslbrown/pwpimages/final%20Veil.jpg

Jim


Attached Image:

jameslbrown's attachment for post 51979
Posted 10/05/2010 03:32AM #1
This second image is an Ha+OIII+RGB of the nebulosity around Sadr in Cygnus.

A full resolution image is here:

http://home.comcast.net/~jameslbrown/pwpimages/Final%202.jpg

Jim

Attached Image:

jameslbrown's attachment for post 138590
Posted 10/05/2010 03:33AM #2
This final image is the Ha channel of the Sadr image. There is no processing except stretching in PS CS2. I like the full res version of this one quite a bit, there is a ton of structure and detail:

http://home.comcast.net/~jameslbrown/pwpimages/Group1-Ha%20S.jpg

All comments and suggestions are appreciated!

Jim


Attached Image:

jameslbrown's attachment for post 138591
Posted 10/06/2010 04:28AM #3
SWEET! Congrats on the new setup.
Cheers,
Tyler

"The expression of the beautiful is in direct ratio to the power of perception acquired by the artist." (Gustave Courbet)