Higher-resolution
versions: 1680 x 1050 3746 x 2479
Object Type:
Open cluster
Constellation: Ophiuchus
Magnitude: 4.2
Size: 70'
Equipment:
Vixen 102-ED/TS Optics field flattener/STL-11000M/Astrodon LRGB filters/Paramount ME
F-ratio: f/6.5
Exposures: LRGB: L 12 x 5 minutes: R 12 x 5 minutes: G 12 x 5 minutes: B
12 x 5 minutes: RGB binned 2x2
Date: June 15, 2012
Location: Landers, California, USA
Technical Notes: Individual exposures were dithered using CCDAutoPilot2 and then sigma combined. The RGB image was created in Registar 1.0.