Very amazing picture.....
.....you are encouraging me using the SIGMA 150 F2.8 with my SHV-H9C !!!
Seeing permitting...

Regards

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Fabio Acquarone
Website: http://www.fabioh2o.it
Email :

"Richard Crisp" ha scritto nel messaggio
t...
this is the final of the three images from my fremont peak outing last
night. this is 4 x 20 minutes with Baader Halpha filter, FLI IMG6303E
camera and Pentax 150mm f/2.8 medium format (6x7) camera lens

http://www.narrowbandimaging.com/m24...03_bp_page.htm