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Not all stars end their lives in
the spectacular cataclysm
that is a supernova. In many
stars the end is more
reserved, as the star's outer
layers are blown into space.
The Ring Nebula is an
example of this process. It is
one of many "planetary"
nebula, so named for the
similarity their pale/greenish
discs had to Uranus in the
telescopes of the 18th
century.
This image shows many
small galaxies in the
backround, including IC1296
towards the bottom right.
the spectacular cataclysm
that is a supernova. In many
stars the end is more
reserved, as the star's outer
layers are blown into space.
The Ring Nebula is an
example of this process. It is
one of many "planetary"
nebula, so named for the
similarity their pale/greenish
discs had to Uranus in the
telescopes of the 18th
century.
This image shows many
small galaxies in the
backround, including IC1296
towards the bottom right.
OGS 12.5" RC @ f/9
SBIG STL 11K
Astrodon Series I Filters
R= 10 min x 12, 1x1
G= 10 min x 12, 1x1
B= 10 min x 12, 1x1
RCOS 16" @ f/8.7
SBIG STL 11K
Astrodon Series I Filters
Ha = 30 min x 36, 1x1
L = 15 min x 8, 1x1
RGB data taken in
Pennsylvania, while Ha &
Lum data acquired in New
Mexico at SSRO; data
processed with CCDsoft,
Sigma Combine,
CCDsharp, Neat Image,
and Adobe Photoshop
SBIG STL 11K
Astrodon Series I Filters
R= 10 min x 12, 1x1
G= 10 min x 12, 1x1
B= 10 min x 12, 1x1
RCOS 16" @ f/8.7
SBIG STL 11K
Astrodon Series I Filters
Ha = 30 min x 36, 1x1
L = 15 min x 8, 1x1
RGB data taken in
Pennsylvania, while Ha &
Lum data acquired in New
Mexico at SSRO; data
processed with CCDsoft,
Sigma Combine,
CCDsharp, Neat Image,
and Adobe Photoshop
M57 in Lyra - the Ring Nebula
Click on image to enlarge
Mouseover image to see old version
Click on image to enlarge
Mouseover image to see old version
