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Astra 18 Nights The seven geostationary satellites Astra were the target for a continuous 18 night follow up (from February 3rd to the 21st 1998). We observed them with an earth-fixed 20 cm reflector telescope and a CCD camera. More information about these observations can be found in the magazine 'STERNE UND WELTRAUM' 6/98, p. 574. © Stefano Sposetti and Bruno Tilgner

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