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This image contains 2 objects from the Sharpless catalog, both of them glowing
hydrogen emission nebula. Sharpless 280 is on the left, and Sharpless 282 is on
the right. The famous Rosette Nebula is just off the left edge of this image,
and these objects are most often neglected in favor of that larger and brighter
object. However, these hold their own charm. Sharpless 280 contains a bubble
of ionized oxygen (blue in this image) around the bright star that energizes this nebula.
Sharpless 282 is a bit smaller, but displays several ridges and pillars within its
structure.
These objects are both found in the constellation Monoceros, and are about 5,000 light years
from earth.
Image data:
Telescope: Takahashi 106
Camera: ZWO ADI6200MM
Exposure: Red, Green, and Blue: 30 minutes each
Hydrogen-alpha: 135 minutes
Oxygen III: 60 minutes
(total = 4 hours 45 minutes)