Crescent nebula in Ha and Oiii3

Scope: GSO RC6 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:

~4HRS Ha in 6min exposures,

~6HRS Oiii in 6min exposures

William Optics flattener works exceptionally well with RC6 scope

Done