versions: 1280 x 1024 1680 x 1050
Object Type: Open
The two bright stars near the
top of the cluster, resembling a pair of eyes atop a stocky body, give rise to the
informal name "ET cluster."
14" LX200R/STL-11000M/Astrodon LRGB filters/Paramount ME
Exposures: LRGB: L 8 x 5 minutes, binned 2x2: R 8 x 5 minutes: G 8 x
5 minutes: B 8 x 5 minutes: RGB binned 3x3
Date: December 29, 2007
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
was applied to the RGB image and the dim portions of the luminance image. A copy of the
RGB image was combined with the original using Soft Light to enhance color.