PhotonCollector
15-04-2008, 10:02 PM
Hello all,
here's another image with my refractor operating at f/5.95 (native) with a Baader Coma Corrector instead of the wo reducer/flattener.
You can see a better version of the image here http://www.skylab.com.au/pmsa/Rosette_Nebula.html
Imaging details.
William Optics 110mm f/4.7 Refractor telescope on
observatory mounted Losmandy G-11 equatorial mount with Gemini 4.
Autoguided with SBIG 402 on Orion ST-80 f/5 guidescope with CCDOps.
Central DS Cooled Canon EOS 350D Digital SLR (Houghys camera).
Exposures 12 x 6-minute exposures @ ISO 400.
Total Exposure time 72-minutes.
Astronomik 2" CLS filter, Baader Coma Corrector, 2" Tele extender.
Processing Darks, bias and flat-fielded with ImagesPlus, post processing in Photoshop. Focused with DSLR Focus.
here's another image with my refractor operating at f/5.95 (native) with a Baader Coma Corrector instead of the wo reducer/flattener.
You can see a better version of the image here http://www.skylab.com.au/pmsa/Rosette_Nebula.html
Imaging details.
William Optics 110mm f/4.7 Refractor telescope on
observatory mounted Losmandy G-11 equatorial mount with Gemini 4.
Autoguided with SBIG 402 on Orion ST-80 f/5 guidescope with CCDOps.
Central DS Cooled Canon EOS 350D Digital SLR (Houghys camera).
Exposures 12 x 6-minute exposures @ ISO 400.
Total Exposure time 72-minutes.
Astronomik 2" CLS filter, Baader Coma Corrector, 2" Tele extender.
Processing Darks, bias and flat-fielded with ImagesPlus, post processing in Photoshop. Focused with DSLR Focus.