13 February 2020

M 45 Pleiades -LRGB-


This article is about the star cluster.For other uses of Pleiades or Pléiades, see Pleiades (disambiguation).
 The Pleiades (/ˈpl.ədz, ˈplə-/), also known as the Seven Sisters and Messier 45, are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the star clusters nearest Earth and is the cluster most obvious to the naked eye in the night sky.
The cluster is dominated by hot blue and luminous stars that have formed within the last 100 million years. Reflection nebulae around the brightest stars were once thought to be left over material from the formation of the cluster, but are now considered likely to be an unrelated dust cloud in the interstellar medium through which the stars are currently passing.
Computer simulations have shown that the Pleiades were probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.

Telescope : TS 60 ED
Mount : Skywatcher AZ-EQ5 GT
Camera : Atik 460 Exm
Guiding : Off-axis guider with Meade dsi2
Filters : L : 30x240sec bin 1x & RGB : 8x240sec all bin 1x
Programs I have used :Maxim DL, PixInsight, Photoshop CS6
Location: Grammatiko, Attiki

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