21p 20180926 0515 fhemmerich

Comet 21p/GZ at full moon. It was an experiment! I thought that if I would expose extremely short and often, I might have a chance to differentiate the comet tail from the full moon overexposed background. And voila! I'm glad I tried.
Parallel exposure on EQ 8 mount:
(1) 410x10sec Sony A7sDS (cooled) ISO3200 Canon 200mm F1.8 F1.8 (IR/UV finter)
(2) 60x60sec ASI 1600 monochrome, cooled, Samyang 135mm F2.0 (@2.8) with Baader h-Alpha Higspeedfilter.
On a second mount ASA DMM85
(3) 44x90sec RASA 11"/F2.2 StarLightXpress H36 monochrome,cooled_L-pro-filter
Tenerife 1180 a.s.l. 2018-09-26 5:15h to 6:45h UT