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NGC 6888 -- The Crescent Nebula
Click on image to enlarge
Click on image to enlarge
OGS 12.5" RC @ f/9
SBIG STL 11k
Astrodon Series I LRGB
(HaR)(HaR)GB
Ha = 30 min x 24, 1x1
R = 15 min x 10, 1x1
G = 15 min x 12, 1x1
B = 15 min x 12, 1x1
Processed with CCD
Inspector, CCDsoft,
Registar, Sigma
Combine, Neat Image,
and Adobe PS.
SBIG STL 11k
Astrodon Series I LRGB
(HaR)(HaR)GB
Ha = 30 min x 24, 1x1
R = 15 min x 10, 1x1
G = 15 min x 12, 1x1
B = 15 min x 12, 1x1
Processed with CCD
Inspector, CCDsoft,
Registar, Sigma
Combine, Neat Image,
and Adobe PS.
The Crescent Nebula is
a planetary nebula -- a
shell of glowing gas
ejected by a dying star.
See the Ring Nebula
for comparison. The
central star supplying
the energy to the
Crescent Nebula is
known as a Wolf-Rayet
star. The Crescent is
located in the
constellation of Cygnus,
the swan, about 5000
lightyears away. This site
contains 2 other images
that show the Crescent in
wider views -- click here
or here.
a planetary nebula -- a
shell of glowing gas
ejected by a dying star.
See the Ring Nebula
for comparison. The
central star supplying
the energy to the
Crescent Nebula is
known as a Wolf-Rayet
star. The Crescent is
located in the
constellation of Cygnus,
the swan, about 5000
lightyears away. This site
contains 2 other images
that show the Crescent in
wider views -- click here
or here.
