star cluster The RSS feed for star cluster.

  • Mars in the Beehive

    Mars and the Beehive star cluster (M44) in Cancer, which is one of the closest star clusters to us (at about 600 light years) and it can be seen with naked eyes. All the stars in this cluster are quite young - only ~600 million years of age. read more

  • Mars and M35

    Mars visiting Gemini on March 30, 2023. Open star cluster M35 at the bottom is at 2600 light years away and made up of young stars that are only 100 million years old. At the bottom right, the cluster of yellow stars (NGC2158) is made up of stars that are 10 times older and 6 times farther. read more

  • The Pleiades

    The Pleiades (M45) aka The Seven Sisters aka Subaru is an open star cluster ~444 light years away. It is the nearest star cluster to us. The reflection nebulae around the young stars are left from the time of their formation about 100 million years ago. WO ZS61; ZWO ASI533MC-Pro; 70 min (35x2m) … read more

  • Bubble nebula - Nov2022

    The Bubble nebula (NGC 7635) and an open cluster M52 in the constellation Cassiopeia. They appear next to each other but the nebula is ~11000 LY away while M52 is closer at a distance of only ~5000 LY. The bubble is about 10 LY across and is formed because of the intense radiation from the star … read more

  • Stargazings 10-18-08

    It was a quick half hour session with Adit calling me to come in every 5 minutes. A clear and cold night made everything look very beautiful. These sky conditions along with the good quality optics of William Optics Megrez 90 were responsible for excellent viewing with good contrast. Here is what I … read more