versions: 1280 x 1024 1680 x 1050 1984
Object Type: Globular
Cluster (Class VI)
Constellation: Canes Venatici
M3 is located at a distance
of 33,900 light-years from our solar system, and is estimated to contain 500,000 stars. It
contains a large number of bright, young blue stars known as "blue stragglers,"
some of which can be seen in this image. In the higher-resolution versions, at least 20
background galaxies can be identified.
14" LX200R/STL-11000M/Astrodon LRGB filters/Paramount ME
Exposures: LRGB: L 10 x 6 minutes, binned 2x2: R 10 x 6 minutes: G
10 x 6 minutes: B 10 x 6 minutes: RGB binned 3x3
Date: April 27, 2008
Location: Landers, California, USA
Technical Notes: Individual exposures were obtained using CCDAutoPilot2 and then sigma combined. The RGB image was created in
Registar 1.0. A Gaussian Blur
of 1 pixel was applied to the RGB image and Smart Sharpen of 1 pixel was applied to the
luminance image. The RGB image was duplicated and combined with the original using Soft
Light to enhance color.