tmb_andr_HaRGB

forgot to upload this here. image of the day on astrobin 11/29/2013.

 

M31 frankenimage from oakland, ca (bortle red/white)

L(HaR)GB

 

 

Ha, Red, Green : STT-8300M + Canon 200mm f/2.8L @ f/2.8 + field stop to f/4 + lodestar/50mm finder guider

Lum, Blue: STT-8300M + TMB92SS + TRF-2008 0.8x reducer (400mm, f/4.4) + FW8G-STT OAG

 

 

mount: mach1GTO

 

 

L: 24x300s, 10x60s

Ha: 2x1200s, 9x300s, 49x600s

R: 54x300s

G: 53x300s

B: 31x300s

 

 

total: 23h15m

 

Done