nov 252013
 
Anne's Image of the Day: Open Cluster Messier 103

November 25, 2013 Messier 103, an open cluster in Cassiopeia Image Credit: Hillary Mathis, N.A.Sharp/NOAO/AURA/NSF Messier 103 (also known as NGC 581) is a young, about 25 million years old, open cluster of about 15 light-years across, located 8,000 to 9,500 light-years away from the Earth in the northern constellation of Cassiopeia (the Seated Queen). [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]

nov 062013
 
Anne's Image of the Day: Planetary Nebula HFG1

November 6, 2013 HFG1, a planetary nebula in Cassiopeia Image Credit: T.A. Rector (University of Alaska Anchorage) and H. Schweiker (WIYN and NOAO/AURA/NSF) HFG1 (also known as PK 136+05) is a faint, very old planetary nebula of a light-year or more across, located in the northern constellation of Cassiopeia (the Seated Queen). It was discovered [continue reading]

okt 052013
 
Anne's Image of the Day: Distorted Galaxy IRAS 23436+5257

October 5, 2013 IRAS 23436+5257, a distorted galaxy in Cassiopeia Image Credit: Judy Schmidt,  ESA, Hubble and NASA IRAS 23436+5257 is a bright distorted galaxy in the northern constellation of Cassiopeia, which is named after an arrogant, vain, and yet beautiful queen in Greek mythology. It is speeding away from us at about 10,233 kilometers [continue reading]

okt 042013
 
Anne's Image of the Day: Planetary Nebula Sharpless 188

October 4, 2013 Sharpless 188, a planetary nebula in Cassiopeia Image Credit: T.A. Rector/University of Alaska Anchorage, H. Schweiker/WIYN and NOAO/AURA/NSF Sharpless 188 (SH2-188, Simeis 22 or the Dolphin Nebula) is an unusual planetary nebula in the galactic disk, approximately 850 light-years away from Earth in the northern constellation of Cassiopeia. Despite their name, planetary [continue reading]

aug 062013
 
Anne's Image of the Day: Interacting Galaxies MCG+12-02-001

August 6, 2013 MCG+12-02-001, interacting galaxies in Cassiopeia Image Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University) MCG+12-02-001 (MCG02-001 for short) is a pair of interacting galaxies located some 200 million light-years away from Earth in the northern constellation of Cassiopeia (the Seated Queen). The pair [continue reading]