Another take on Elephant Trunk with wider field - 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:

~7HRS Ha in 6min exposures

~2HRS Full spectrum in 90sec exposures

Done