NGC7000 North American nebula in Ha and full spectrum

Scope: William Optics GT81 with WO 0.8x flattener

Camera: ASI1600MC-Cool

Guider Camera: ASI290MM

Guider: Orion thin Off-axis guider

Mount: Orion Sirius EQMOD driven

Software: APT, DSS64, PS

Integration: ~4HRS Ha in 6min exposures and 1HR full spectrum in 90sec exposures

Done