Sternwarten und astronomische Vereinigungen in der Region
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12
Institutionen
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10
Astronomieforen
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1
Zeitschriften
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4
Wetter
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4
News
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2
Sonstiges
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3
Hubble und ESO Fotos
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2
Satellitenpositionen und ISS-Transit-Rechner
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2
Astroshops
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7