M27 "Dumbbell" nebula in narrowband bicolor (hydrogen alpha, oxygen III)

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• Sky-Watcher BK P2001 with TS Optics 2" Dual Speed Focuser

• EQ6-R Pro

• ZWO ASI1600MM-Pro

 

• Baader Hα 7nm: 16x600s

• Baader OIII 8.5nm: 16x600s

(total integration 5.3h)

• -20° sensor temp., Gain 139 (UG)

 

• Baader MPCC Mark III coma corrector

• 60x240 guide scope, ZWO ASI290Mini guide cam

 

Captured with ZWO EFW, ZWO EAF, ZWO ASIAIR, Pegasus Astro Powerbox

 

Saint Petersburg, Russia. Red light pollution zone, balcony

Done