Globular Cluster NGC 6838: Color Composite September 13, 2000; Gettysburg College Obseratory
4 exposures in R (120 sec each), 5 exposures in I (4 at 120 sec; 1 at 180 sec) and 4 exposures in V (180 sec each)
Total Exposures: V-12 min, R-8 min, I- 11min.
Combined using MaximDL software.
Image by L. Marschall & Julia Lynch.
copyright Laurence A. Marschall, Gettysburg College