Nebulas

Iris nebula

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NGC 7023 was observed 18 October 1794 by William Herschel. It is located about 3.5 degrees south west of Beta Cephei (Alfirk). This is a wonderful example of a reflection nebula. Its unusual structure gave rise to the name, the Iris Nebula. The nebula is illuminated by light for a […]

Gallery, Nebulas

Helix nebula

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The Helix Nebula (also known as The Helix, NGC 7293, or Caldwell 63) is a large planetary nebula (PN) located in the constellation Aquarius. Discovered by Karl Ludwig Harding, probably before 1824, this object is one of the closest to the Earth of all the bright planetary nebulae. The estimated […]

Nebulas

Vdb 142 Elephants Trunk HST Version and LRGB

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The Elephant’s Trunk nebula is a concentration of interstellar gas and dust in the star cluster IC 1396 – an ionized gas region located in the constellation Cepheus about 2,400 light years away from Earth. The piece of the nebula shown here is the dark, dense globule IC 1396A; it […]

Galaxies, Gallery

NGC2903 in the Leo

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Optics/mount : 12″ACF 2.7m AP-Reduzer Alt-5 Camera/filters: Atik 11002 Astrodon LRGB Exposure: 20×600 Lum, 6×600 RGB all 1bin 21 Feb 2012 NGC 2903 is a barred spiral galaxy about 30 million light-years away in the constellation Leo. It was discovered by William Herschel who cataloged it on November 16, 1784 […]