photo sharing and upload picture albums photo forums search pictures popular photos photography help login
Steve Fry | all galleries >> Galleries >> Astro Images 2013 > M20- The Trifid Nebula
previous | next
May 2013 © 2013 Stephen M. Fry, Ph.D

M20- The Trifid Nebula

LRGB image of 6.7 hours total exposure. Had planned to get Ha data, but somehow went to the next object and the Trifid is now too low in the sky! That would have sharpened up the features of the nebula. Maybe next year ...

12" LX200R scope
SBIG STL-11000M C1 camera
FW-8 filter wheel with Astrodon 3nm narrowband filters
Astrodon MOAG with SBIG Remote Guide Head
Pyxis 3" rotator and Bellerophon focuser
Paramount ME mouint on Bisque Pier
Sirius 8' Observatory
CCDAutoPilot, MaximDL, FocusMax, CCDInspector, CCDStack, Photoshop CS4

Total exposure 6.7 hours
L 4x10min 6x5min binned 1x1
R 7x20min binned 2x2
G 6x10min binned 2x2
B 7x20min binned 2x2
Cropped full exif


other sizes: small medium large original auto