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17Hours and 15 minutes total exposure time
67*300 second Ha sub exposures
69*300 second SII sub exposures
71*300 second OIII sub exposures
Pentax Takumar 6x7 150mm lens at F/4.5
QHY268M APS-C CMOS camera
Celestron CGE
Astrodon 5nm Ha SII and OIII filters
Rigel Systems usb-nStep focus control
Taken from my back yard Hillsborough NJ