Planetary Nebulae

This is NGC 6751, located in the constellation Aquila. It is estimated to be about 0.8 light years in diameter, with a surface temperature of about 140,000 K.It has been calculated that the distance away from Earth is about 6,500 light-years.

 This is nebula NGC 3242, more commonly known as the Ghost of Jupiter, located in the constellation Hydra. It is about 1400 light-years from Earth, with an apparent magnitude of 8.60.

This is NGC 2392, better known as the Eskimo Nebula. This nebula lies more than 2,870 light-years away in the constellation Gemini. It has a radius of 0.34 light-years. The Eskimo Nebula was discovered by William Herschel in 1787.

This is the Medusa Nebula, also known as Abell 21 and Sharpless 274. It is about 1,500 light-years away located in the constellation Gemini on the border of Canis Minor. 

The Owl Nebula is located almost 2,030 light-years away in the constellation Ursa Major. it is known to catalogue identifiers as M97 or NGC 3587. This nebula is approximately 8,000 years old but was discovered in 1781 by French astronomer Pierre Mechain. 

The Lemon Slice Nebula, also known as IC 3568, is 4500 light-years away from Earth located in the constellation Cameleopardalis. It is relatively young with a core diameter of 0.4 light-years.

The Spinograph Nebula, also known as IC 418, is located in constellation Lepus. It lies about 1100 light-years from earth and spans 0.3 light-years across. 

The Helix Nebula, is a large planetary nebula located in the constellation Aquarius. the estimated distance is about 270 light-years. It has a radius of 2.87 light-years.

The Ant Nebula, or Menzel 3, is a young planetary nebula located in the constellation Norma. It is located about 8,000 light-years away from earth with a radius of 1.0 light-years.

The Little Ghost Nebula, or NGC 6369, is located in the constellation Ophiuchus, and was discovered by William Herschel in 1800. It has an apparent magnitude of 9.9.