NGC6946 Fireworks Galaxy in LRGB+Ha

Challenging target from the very high light polluted skies.

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, DSS, PS

Integration:

6HRS Ha in 6min exposures,

~4HRS Luminosity

~2HRS ea R, G, B

Done