mei 042014
 
Anne's Image of the Day: Open Cluster NGC 6604

  May 4, 2014 NGC 6604, an open star cluster in Serpens Cauda Image Credit: ESO NGC 6604 (the bright grouping of stars towards to the upper left of this image) is a very young open star cluster with an age of some 4-5 million years in the star-forming (H II) region Sh2-54, located about 5,540 [continue reading]

jan 012014
 
Anne's Image of the Day: The Wreath Nebula

January 1, 2014 The Wreath Nebula, an emission nebula in Perseus Image Credit: NASA/JPL-Caltech/WISE Team The Wreath Nebula (also known as Barnard 3 or IRAS Ring G159.6-18.5) is an emission nebula and H II region of about 22 light-years across (ring diameter), located only some 1,000 light-years away within our Milky Way galaxy in the Perseus [continue reading]

nov 182013
 
Anne's Image of the Day: Emission Nebula RCW 120

November 18, 2013 RCW 120, an emission nebula in Scorpius Image Credit: ESO/APEX/DSS2/SuperCosmos/Deharveng(LAM)/Zavagno(LAM) RCW 120 (also known as Sh2-3 and Gum 58) is an emission nebula, a star-forming (H II) region of about ten light-years across, located some 4,300 light-years away from Earth in the southern constellation of Scorpius (the Scorpion), slightly above the plane [continue reading]

nov 122013
 
Anne's Image of the Day: The Pacman Nebula

November 12, 2013 The Pacman Nebula (NGC 281) in Cassiopeia Image Credit & Copyright: J-P Metsävainio  The Pacman Nebula (NGC 281), described by Nasa as ‘a busy workshop of star formation’ is an emission nebula and H II region of a little over 100 light-years across that lies in the Perseus Spiral Arm, one of two [continue reading]

okt 212013
 
Anne's Image of the Day: The Lagoon Nebula

October 21, 2013 The Lagoon Nebula, an emission nebula in Sagittarius Image Credit: R. Barba, N. Morrell et al. (UNLP), CTIO, NOAO, NSF The Lagoon Nebula (also known as Messier 8, NGC 6523 and Sh2-25) is an emission nebula that measures about 110 by 50 light-years, located between 4,000 – 6,000 light-years away from Earth [continue reading]

okt 192013
 
Anne's Image of the Day: The Pelican Nebula

October 19, 2013 The Pelican Nebula, an emission nebula in Cygnus Image Data: Digitized Sky Survey; Color Composite: Charles Shahar (http://www.lightfigures.com/DSS2/index.htm) The Pelican Nebula (also known as IC 5070 & IC 5067) is an emission nebula, a star-forming region (H II region) of roughly 30 light-years across, located about 1,800 light-years from Earth, northeast of the [continue reading]