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 - Cometa C/2018 Y1 Iwamoto il 12-02-2019 nel Leone - Somma di 19 immagini da 60sec. a 1600 iso + bias, dark e flat - Canon EOS1300D modificata super uv-ir cut + filtro IDAS lps d1 + newton d:150 f:750su HEQ5 Synscan. Guida QHY5L-IIM su TS 60/240 - Elaborazione PixInsight e Photoshop cs5