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James A. Van Allen lab journal, September 1959-January 1961
Page 96
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10:20. A rayed arc just north of zenith -- actually "shooting" streamers to the north [sketch/picture] drawing of arc with side streamers Also got ~400 gamma magnetic storm on Chinburg's proton magnetometer. Later note from Chinburg Peak |B| = 58,426 gamma at 20:05 C.S.T. on 4/23/1960 Min |B| = 57,907 gamma @ 00:03, 00:04 and 00:12 CST 4/25/1960
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10:20. A rayed arc just north of zenith -- actually "shooting" streamers to the north [sketch/picture] drawing of arc with side streamers Also got ~400 gamma magnetic storm on Chinburg's proton magnetometer. Later note from Chinburg Peak |B| = 58,426 gamma at 20:05 C.S.T. on 4/23/1960 Min |B| = 57,907 gamma @ 00:03, 00:04 and 00:12 CST 4/25/1960
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