The Seven Sisters Picture

Let me show you Sterope, Merope, Electra, Maia, Taygete, Celaeno, and Alcyone, with their parents, Atlas and Pleione. This young and hot stars compose the most famous open star cluster : The Pleiades, M45 or Subaru in Japanese.

In fact this nine stars named from the Greek mythology are the most brilliant of the cluster which count about 3000 stars. Their age is about 100 millions years.

Princesses of the winter sky, they can easily be seen unaided eyes in the constellation Taurus. It is large like four full moon. A simple binocular will show you a marvelous view.

41 exposures of 5 minutes. 5 darks, 8 flats.
Camera : Canon EOS 1000D unfiltered
Telescope : Takahashi FSQ-106ED refractor.
Mount : Takahashi EM-200 USD3.
Guiding : Orion Starshoot Autoguider on a William Optic Zenithstar 66SD refractor.
Outside temperature : -1°C to 3°C
Sensor temperature : 3 to 6°C
Software : auto-guiding and acquisition with MaximDL.
Location : Clavans le Haut en Oisans.

Update 01/12/2012 : re-processed with PixInsght
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The Seven Sisters
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Atlas is Augmented