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Mircea Pteancu

28 Feb 2013 00:45



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Azi am aflat de la Roger Ceragioli ca Schroeter a avut si folosit o luneta de 4 inch F/30.
Bessel a facut ,,scoala'' folosind aceasta luneta ecuatoriala -o raritate in acele vremuri-in scopuri astrometrice.
Mircea