@yenalogmen Active 2 years, 7 months ago ActivityProfileGroups 0 View Demographics Name Yenal Brief Bio I am maths teacher and astronomer, doing CCD photometry of variable stars. http://www.greenislandobservatory.com Country Cyprus City Lefkoniko Techniques used CCD Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)