Higher-resolution
versions: 1024 x 768 2004 x 1336
Object Type:
Open Cluster, Emission Nebula
Constellation: Serpens
Magnitude: 6.4
Size: 35'
Equipment:
Meade 14" LX200R/STL-11000M/Astrodon RGB filters/Paramount ME
F-ratio: f/9.5
Exposure: RRGB: R 8 x 9 minutes, binned 2x2: G 8 x 4 minutes: B 8 x 4 minutes: GB
binned 3x3
Date: August 25, 2006
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 high-pass
filter of 8 pixels was selectively applied to the bright portions of the luminance image.