1973-058B (Atlas Centaur R/B)
The Atlas Centaur upper stage brought the Communication Satellite Intelsat IV F-7 in 1972 in Space
Atlas Centaur R/B 1973-058B © by Bernhard Haeusler, 2010-04-07 B/W
21 x 2 min.. exposure,
2010-04-07 UT 19:21 - UT 20:28 12" SCT
f-5.65 + CCD ST10XME
satellite:
average mag 16.0, velocity: 0.126'/sec in PA 108 to 0.145'/sec in PA 110, rotation period: 3.4 seconds