IC1805 Heart Nebula in Ha Only

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:

~4HRS Ha in 6min exposures,

Gain 180, offset 25, bin 2x2

Done