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Robert Starzynski | all galleries >> Bob Starzynski Astro Imaging >> Under Construction > Sadr area in Cygnus wide field Ha
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Sadr area in Cygnus wide field Ha

4 hours and 15 minutes total exposure time so far
51*300 second Ha sub exposures

Pentax Super Takumar 150mm 6x7 lens set at F3.5
QHY268M camera
CGE GEM mount
Astrodon 5nm filters
Rigel Systems usb-nStep belt drive focuser


other sizes: small medium large original auto
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