The Stingray Nebula, or Henize 1357 (Hen 3-1357), is the youngest planetary nebula known. It is located in Ara constellation. The nebula lies approximately 18,000 light years from Earth. The nebula’s coordinates are 17h 16m 21.071s (right ascension) and -59°29’23.64” (declination). Its apparent visual magnitude is 10.75.
The Phantom Streak Nebula (NGC 6741) is a planetary nebula located in Aquila constellation (the Eagle). It lies approximately 7,000 light years from Earth. The nebula was discovered by American astronomer and physicist Edward Charles Pickering in 1882. It is a bright, but relatively small object, with an apparent size of 0.1 arc minutes and … [Read more…]
The Helix Nebula is a large planetary nebula located approximately 695 light years from Earth in Aquarius constellation. It is the nearest bright nebula to our solar system. The nebula’s striking appearance earned it the nickname the Eye of God. The Helix Nebula is a popular object for amateur astronomers and can be observed with … [Read more…]
NGC 6101 is a globular star cluster located in Apus constellation. It has an apparent visual magnitude of 9.30. None of the stars in the cluster are brighter than fourtheenth magnitude. NGC 6101 is 49,900 light years distant from Earth and 36,000 light years from the Galactic Centre. It is 0.7 arcminutes in radius and … [Read more…]
The Antlia Dwarf (PGC 29194), or Antlia Dwarf Galaxy, is a dwarf spheroidal galaxy located in the Antlia constellation. The galaxy is approximately 4.3 million light years distant from Earth. It was discovered in 1997 by Mike Irwin, Alan Whiting, and George Hau in a survey of the northern sky. The galaxy shows signs of … [Read more…]
Andromeda Galaxy (also known as Messier 31, M31, or NGC 224) is a spiral galaxy located in the Andromeda constellation. The galaxy was named after the constellation which, in turn, was named after the mythical princess Andromeda, daughter of Cassiopeia and Cepheus, in Greek mythology. Andromeda Galaxy is one of the most famous objects in … [Read more…]
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Constellation Guide is a site run by an amateur astronomer, dedicated to collecting information about the 88 constellations and deep sky objects that can be observed in them. It was started primarily for personal reference, and can hopefully be useful to other star gazers as a guide to the night sky.