moonwatch

SAO Moonwatch

From 1956-1975, the Smithsonian Astrophysical Observatory's Moonwatch program issued ephemerides for artificial satellites and collected observations from amateur astronomers.

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19591130 Ramsay

1959 Nov 30: Letter from Leon Campbell to R.V. Ramsay

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19591214 Kennedy

1959 Dec 14: Letter from J.E. Kennedy to Leon Campbell

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19600309 Fidler

1960 Mar 9: Letter from Marie Fidler to G. Bakos

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19591130 Campbell

1959 Nov 30: Letter from Leon Campbell to I.K. Williamson

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19591203 Campbell

1959 Dec 3: Letter from Leon Campbell to J.E. Kennedy

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19600301 Bakos

1960 Mar 1: Letter from G. Bakos to J.E. Kennedy

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19590901 Kennedy

1959 Sep 1: Letter from J.E. Kennedy to G. Bakos

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