Optical flash on Jupiter — J. Watanabe's WebPageMaterials for optical falsh observed on the surface of Jupiter on August 21 JST. Optical flash on Jupiter optical flash on the surface of the Jupiter captured at 18h22m12s on August 20 (UT). Unfortunately this time is uncertain in +-1min. The video taken by an amateur astronomer, Mr. Masayuki Tachikawa in Kumamoto city, with using Philips Toucam Pro2 attached to the telescope, Takahashi TAO-150 f1
