M42, aka NGC 1976, is
the finest example of an
emission nebula in the
heavens -- new stars are
forming in the center, and
the energy from those
stars causes surrounding
gases to glow in the red
region of the spectrum (the
hydrogen alpha emission)
OGS 10" RC @ f/5.7
SBIG ST10XME
RGB:
R= 1 min x 37, 2x2
G= 1 min x 35, 2x2
B= 1 min x 51, 2x2
Processed with CCDsoft,
and Adobe PS
M42, the Great Nebula in Orion
Click on image to enlarge