IC2177 Seagull nebula in Ha

Scope: William Optics GT81 with WO 0.8x flattener

Camera: ASI1600MM pro

Guider Camera: ASI290MM

Guider: Orion thin Off-axis guider

Mount: Orion Sirius EQMOD driven

Software: APT, DSS64, PS

Integration:

~3HRS Ha in 10min exposures,

 

Done