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ngc 0206
ngc 0457
Planetary Nebula
M27 Dumbbell
M27 LRBG+Hubble palette
  M57 Ring.jpg -  M57      NGC6720      Ring Nebula   Planetary Nebula   distance: 2,300 ly     actual size: 1 ly     image size 10'x10'  FLI PL-16803 camera     12.5" Planewave scope @ 2500mm  (f/8)     AP900 mount 35.7 hour total exposure     HaLRGB 850:200:360:370:360 subs 10:10:10:10:10 binned 1:1:2:2:2     (0.73" per pixel unbinned)   MMOAG with ST402-ME camera guiding   The Ring Nebula is often regarded as the prototype of a planetary nebula, and a showpiece in the northern hemisphere summer sky. Its age is likely to be between 6,000 to 8,000 years. It was the second planetary nebula to be discovered (in 1779).   
M76 Little Dumbbell
M97 Owl
ngc 40 Bow-Tie
ngc 1501 Oyster
ngc 1514 Crystal

M57     NGC6720     Ring Nebula
Planetary Nebula

distance: 2,300 ly     actual size: 1 ly     image size 10'x10'

FLI PL-16803 camera     12.5" Planewave scope @ 2500mm (f/8)     AP900 mount
35.7 hour total exposure     HaLRGB 850:200:360:370:360 subs 10:10:10:10:10 binned 1:1:2:2:2     (0.73" per pixel unbinned)
MMOAG with ST402-ME camera guiding

The Ring Nebula is often regarded as the prototype of a planetary nebula, and a showpiece in the northern hemisphere summer sky. Its age is likely to be between 6,000 to 8,000 years. It was the second planetary nebula to be discovered (in 1779).

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