The Dumbbell Nebula
was the first planetary nebula ever discovered. Distance from Earth is 1200
light years and from near one pole, it would probably have the shape of a ring,
and perhaps look lake Ring Nebula in Lyra. Magnitude of
central star is 13.5.
M27 image through
a Celestron C9,25 at f6,3 on Canon EOS 350D (800ASA, 6x 180 second exposure).
Image
taken with Pixcel 237 CCD camera and Celestron 8 working at f/3,3. Assembled
in CCDSoft v5 and AIP for Windows (LRGB image: L component 18x20 second; Red
15x20 second; Green 15x20 second; Blue 15x20 second exposure).
Photography
below is obtained through a C8 with focal reducer at f:6,3 and 25 minutes exposure
on film Fujicolor super G+ 800.
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