Messier 67 is an open star cluster and was first described and cataloged as an open cluster by Charles Messier in 1780. Interestingly, astronomers have discovered that Messier 67 is one of the oldest known star clusters in our Milky Way galaxy. Estimates of the age of the stars forming this open cluster range from 3.2 billion years to 4 billion years. The Messier 67 open cluster is estimated to be about 2,700 light years distant. Additional interesting information about the Messier 67 open cluster can be found at: http://messier.obspm.fr/m/m067.html
February 1, 2014
An RGB image with 30 minutes exposure per color channel. Total exposure time was 1.5 hours.
Blair Valley, Anza-Borrego State Park, San Diego County, California
Takahashi MT-160, Astro-Physics 900 GTO, SBIG ST-10XME with Baader MPCC