Starship Asterisk*

M52 - Open Star Cluster
http://albireo.gr/tmp/m52.jpg

http://albireo.gr/astrogallery/stars/op ... 8/M52.html

copyrights: Konstantinos Christodoulopoulos, albireo.gr, GREECE

M7 - Ptolemy Cluster First mentioned by Ptolemy over 2 thousand years ago, it has a diameter of about 20 light years. Professional telescopic studies find that nearly 100% of the stars in M7 are binary stars, an inordinately high frequency of binaries compared to the Galactic field (where > 50% of m...

Rho Ophiuchi cloud complex Rho-ophiuchi.jpg http://www.albireo.gr/astrogallery/star_parties/parnonas/2014/Rho-ophiuchi.png Near the star Rho Ophiuchi, in the extreme southwest corner of Ophiuchus, is a region of strangeness and beauty. The star itself is enmeshed in a vast diffuse nebulosity, IC 460...