M94, an unusual spiral
galaxy, lies about 15
million lightyears distant
in the constellation
Canes Venatici. The
extraordinarily bright
core combined with the
extremely dim outer ring
(about 15 arcminutes
across) make for a
challenging job when
processing this image.
16" RCOS @ f/8.4
SBIG STL 11k
Astrodon Series I LRGB

LRGB:

L=  15 min x
30, 1x1
R=  15 min x 1
0, 1x1
G=  15min x 1
0, 1x1
B=  15 min x 1
0, 1x1

Data acquired at
NMS

Processed with CCD
Inspector,  CCDsoft,
Registar, Sigma
Combine,
CCDsharp,
Neat Image, and Adobe
PS.
                        M94
     
  Click on image to enlarge