Object: Pleiades Cluster (partial), M45
Date: September 29, 2002
Equipment: TeleVue 101 at F/5.4, HX916 CCD, G11 mount, ST-4 autoguider
Exposure: BRGB (60):60:15:15 minutes. The blue exposure was used for L and B channels.
Processing: Photoshop
Comments: Seeing was not very good with 90% humidity.
Description: The Pleiades cluster consists of over 500 stars. The brightest 11 are visible to the naked eye. The cluster is passing through a molecular gas cloud at a speed of 6.8 miles/sec. The stars in the cluster illuminate the blue reflection nebula, which would otherwise remain invisible. The cluster is located at 380 light years from Earth. 

Copyright 2001,02 Paul Kanevsky