Messier 45, the Pleiades

The Pleiades, or Seven Sisters (Messier 45, is an open star cluster located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky.

Messier 45

Move the mouse over the image for a inversed image.

Image details:
Telescope: TS 90/600 triplet with 2.5" TS flattener
Mount: Skywatcher HEQ5-Synscan
Camera: Atik one 6.0
Exposure: 10 * 900 sec with Baader L filter
Software: PHD, PixInsight
Calibrationfiles: Dark:No, Bias:Yes (masterbias), Flat:Yes
Bigger version: http://www.astrobin.com/full/129971

Minor planet

I Accidentally photographed a minor planet during the session. She is called 'Raphaela' with a magnitude of 15.1.

 

Messier 45 + minor planet 'Raphaela'

 
(c) All photos by Ruud de Vries