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E200 North Amercia + 1/3 Pelican Nebula

Started by Raymond.HK, 11/24/2004 03:35PM
Posted 11/24/2004 03:35PM Opening Post
Dear all,

Single image of 30 min North America (main target) + 1/3 Pelican Nebula, taken by Leica M280mm lens at F5.6, on EM200 mount with webcam autoguide by 50mm finder (183mm focal length), at East Dam, Sai Kung, Hong Kong on 13-07-2004.

Focus is a bit soft due to very dim viewfinder in Ricoh camera body (20 years old).

Transparency : about 7/10
Stability : about 7/10
Wind : mild
Light pollution : some squid boats there with strong flood lights.
(one of the very good clear summer nights, if not light pollutted by squid boats).

http://www.hkastroforum.net/bbs/files/ngc7000-2c.jpg
(504 x 672 pixels at 276K file)

Raymond Tse




Attached Image:

Raymond.HK's attachment for post 20374
Posted 12/28/2004 04:12AM #1
Raymond,
Thank you for sharing your great photos. I hope someday I maybe able to take similar photos and share too. I am brand new to astrophotography and am learning from experienced people like you.
When I saw that you were using an EM200 mount with a webcam autoguider I thought I could learn even more.
I have an older TAK EM200b mount. The EM200b does not have an autoguider port but thought I could make a "Y" interface cable to make the hand controller port work as one and possibly use a webcam with Guidedog software too. Did you have to make modifications on your EM200 or does your EM200 have an autoguider port?
Thanks in Advance for any suggestions and tips you may have for making the webcam and Guidedog software work on your mount.