Satellite Cosmos 1633 close to Ruchbah (Delta Cassiopeiae, mag.2.7) 25 November 2012 - 18h22m30s CET, Catania, Italy Angular velocity 0.77°/s, distance 578.3km, mag.3.4 Nikon D5100 300mm Watch the video in high resolution Delta Cassiopeiae Cosmos 1633
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