Sh2-68 / Planetary Nebula |
R.A. | 18h 25m 01.3s (2000.0) |
Dec. | +00°52' 18" (2000.0) |
Apparent Size | 7.0' |
Real Size | N/A |
Magnitude | 10.0 |
Distance | N/A |
Other IDs | LBN 93, PK 30+6.1 |
This image shows you Sh2-68 bathed in the western side of Milky Way, about 4 degrees north of eta Serpentis Cauda.
The nebula has a size of about 7 arc minutes, classed as comparatively larger planetary nebula.
It's considered that the nebula was formed at least 40 thousand years ago, very old one in the heavens.
Sh2-68 is emitting the oxygen's greenish light in center and the hydrogen's reddish streak stretched in northeast direction.
It's considered that the unique shape has been formed with a central star rapidly moving.
A magnified image turned the north direction rightward looks like a human's face. The figure gave a nickname of the "Flaming Skull Nebula".
This image has been cropped with an equivalent focal length of 700mm.
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Magnified image of Sh2-68 |
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