This post is also available in: English (英語)
金星 2020-05-29 快晴で透明度が良い朝、9時に金星を導入。金星のＫ＝0.01、近くの太陽が眩しい。15㎝の偏心絞りの先に筒を伸ばして太陽光を遮る変な望遠鏡です。
Venus 2020-05-29. Introducing Venus at 9:00 AM on a clear, sunny day. Venus K = 0.01, the nearby sun is dazzling. It is a strange telescope that extends the tube to the end of a 15 cm eccentric diaphragm to block sunlight.
