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Robert Starzynski | all galleries >> Bob Starzynski Astro Imaging >> Under Construction > M42 to B33 area wide field
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M42 to B33 area wide field

3 hours 25 minutes exposure time Ha

Pentax Takumar 6x7 medium format 150mm lens at F/4.5
QHY268M APS-C CMOS camera
Celestron CGE
Astrodon 5nm Ha filter
Rigel Systems usb-nStep focus control



other sizes: small medium large original auto
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