A retired teacher in a local city of Japan: I continue to research the science now. My hobby is publishing one year of research results in an academic repository. A purpose of blog is to let people with similar interests check the progress of research.
台風15号一過、JMA牛根の火山監視カメラの「桜島の日没」です。
2025.9.7の日没後の雲周辺のSPM像、流星です。
