Galaxy Forum Japan 2017 — Tokyo Saturday 25 February (10:00-16:00) @ Large Seminar Room & 4D2U Dome Theater, NAOJ Mitaka, Tokyo, Japan gf-japan-17-website-graphic Thematic Areas: Preserving dark skies (in optical wavelength) Preserving quiet skies (in radio wavelength) Astronomy activities in metropolitan/urban areas Speakers: Sze-leung Cheung (IAU Office of Astronomy Outreach) Masao Saito (Nobeyama Radio Observatory) Steve Durst (International Lunar Observatory Association) Naoko Yamazaki (Astronaut) Hiroshi Kobayashi (SOKENDAI) etc.