Moravian G2-8300FW with Canon EF 200 LII @ f/3.5, L 15x600s, R 15x600s, G 16x900s, B 15x600s; data reduction with Theli
Hochrindl/Mitterdorf, November 2011

The Pleiades (the 7 sisters) are the most famous open star cluster. You can see it with your naked eye in every winter night. They are crossing a large area of dust. These blue hot stars are lightening the dust in the surrounding. large

IOTW (Image of the week at