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Southern Star Charts
The Planets and the Ecliptic
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21 at midnight amateur Antarctica April arcseconds asteroid Astronomer Royal Astronomical Society Secretary atmosphere atoms August Big Bang binary bright CAPRICORNUS CBAT Centre cloud comets constellation crater December 21 detect detectors discovery District Astronomical Society dust Earth eclipse elongation Figure Flamsteed Friday each month galaxies Gemini gravity waves Halley helium Herstmonceux horizon Hubble Hubble Space Telescope HYDRA hydrogen impact infrared instruments January 21 July June Jupiter latitudes longitude lunar lunar meteorite Lyrae magnitude main sequence March Mars mass Meetings Mercury meteorites million minor planets Mira mirror Moon morning object nebula northern November 21 observation Open cluster OPHIUCHUS optical orbit period planetary radiation Road Royal Greenwich Observatory Royal Observatory satellite Saturn Semi-regular Solar System Southern space spectral spectrum structure supernova Supernova Search tektites telescope temperature Thursday each month tion Universe URSA Venus visible wavelengths Wednesday each month white dwarf