M3

M3

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M3 is a well resolved magnitude 6.4 globular cluster in Canes Venatici with stars fainter than magnitude 16 in this image. It is visually an easy target with binoculars and quite impressive through a 5 inch telescope at medium power. The dense star cluster is populated by red super giant stars and bluish variable stars.



Date Imaged       :

May 11, 2009

Lens       :

Astrophysics 5" f/8 Starfire

Camera       :

ST10XME

Exposure       :

15 minutes

Filter       :

Astrodon LRGB 6,3,3,3 x 1min

Mount       :

Losmandy Titan

Location       :

Stardust Observatory, Baguio, Philippines