M57 - The Ring Nebula
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M57 - The Ring Nebula
Edmonton, Alberta, Canada
2018-May-21
Exposures: RGB 57/51/56 x 2m = 5hr 28m
Processing: SGP, MaximDL, Gimp
Telescope: CFF132,STF8300M,GM1000
Guider: ST80,LodestarX2,GSO2X
M57, the Ring Nebula, is a planetary nebula located in the constellation Lyra.
The nebula is a cloud of glowing gas and is the leftover debris of an exploded star. The nebula is actually a bubble, but only along the edges is it thick enough for use to see. This causes the bubble to appear as a ring in space when we look at it. The star in the very center of the nebula is the remaining core of the original star that exploded.

This was initially a test image used to evaluate the CFF132 refractor I had obtained several months before. The image was taken from my usual testing spot in the back yard. The initial test looked really good so I gathered more data for another two nights. The total integration time ended up being almost 5 and a half hours.

The Ring Nebula is one of my favorite test targets. Its bright, easy to find and overhead for a good part of the year. It also looks really nice.

Images of M57 - The Ring Nebula
M57 - The Ring Nebula. Taken with a C8 SCT and a D90 DSLR camera.
C8, D90
M57 - The Ring Nebula. Taken with an 11" EdgeHD SCT and a Nightscape NS8300 OSC camera.
11" EdgeHD, OSC
M57 - The Ring Nebula. Taken with an MN190 Maksutov-Newtonian reflector and an STF-8300M CCD camera.
MN190, LRGB
M57 - The Ring Nebula. Taken with a CFF 132 refractor and an STF-8300M camera.
CFF 132, RGB
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