AAS –  Astronomical Association of Susa, Italy: since 1973 continuously performes astronomical research,
publishes Susa Valley (Turin area) local ephemerides and organizes star parties and public conferences.
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AAS - Gino Zanella - M 42 e NGC 1977 in Orione - Somma di 24 pose da 210 sec. ciascuna + 17 pose da 30 sec. a 800 iso + bias + 7 dark e 9 flat. Canon EOS 1100D non modificata su newton d:150 f:750 su montatura HEQ-5 Synscan. Guida con LVI Smatguider su rifratt. 70/500. Elaborazione IRIS e Photoshop
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