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 - NGC 7635 Bubble nebula in Cassiopea - Somma di 30 immagini da 210 sec. ciascuna a 800 iso + bias + 7 dark e 9 flat - Canon EOS 350D modificata Baader  + newton Vixen d:150 f:750 su montatura HEQ-5 Synscan - Guida con LVI Smartguider su rifrattore 70/500. Elaborazione IRIS e Photoshop cs4.

 
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