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.
AAS - Gino Zanella - NGC 6822 " Galassia di Barnard" in Sagittario - Somma di 30 immagini da 180 sec. a 1600 iso + bias, dark e flat - Canon EOS 1100D modificata con filtro super uv-ir cut + newton d:150 f:750su HEQ5 Synscan - Guida con QHY5L-IIM su rifrattore TS 60/240 - Elaborazione Pixisight e Photoshop cs5.