It is a bit confusing for Mei-Shun to expect a full moon tonight, instead of 仲秋の名月 yesterday. Her lunar diary explains that the latter may not always be the 15th from astronomical viewpoint, yet attractive enough in clear autumnal sky called the prettiest. All right, it was therefore 十三夜 or the 2nd best seen on Monday. Professor M, a great photographer kindly taught her.