Red Barn Observatory MPC-H68
Established 2006
Ty Ty, Georgia, USA
The universe is full of interesting objects - including Nebula.  What is a nebula?  A nebula is basically an interstellar gas composed of many different components -
including oxygen, helium, hydrogen, ect...  Nebula can be broken down into different groups.  The following are the most common:

Planetary Nebula - those that form when certain stars convert into a white dwarf and the atmosphere of the star is lost.  As the gasses of the star flow away, they
produce the planetary nebula.  The Ring Nebula is an example of a planetary nebula.

Diffuse Nebula - the most common type of nebula, including the Orion Nebula.

Supernova Remnants/Nebula - the gasses remaining after a star converts to a supernova and reaches the end of its life.
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Messier Object - M42 The Orion Nebula
This particular nebula is one of the most famous in the sky!
Image composed of: 10 - 30 second exposures, 12" LX200 GPS at f/10,
Canon 12.2 MP EOS, images stacked in RegiStax.  Processed a bit in
Adobe Photoshop7.  Typically, exposures of nebula are much longer
than this.
Messier Object - M83 Pinwheel Galaxy
9 Minute Exposure Time
Epsilon -180 Corrected Newtonian
SBIG ST-2000C Camera
This is not a nebula, but M83 does contain
many nebula.
Another shot of M42 - The Orion Nebula
13 Minute Exposure Time
Epsilon -180 Corrected Newtonian
SBIG ST-2000C Camera