正如我們算太陽時， 月落前 18 至 20 分鐘， 光點就到我們位置了。
Just like our Sun experiments we note to expect the Moon's reflection at our location 18 to 20 minutes before moonset.
因希望至少有半月亮， 故預估日期均在下半夜。
Because we want at least a half moon, our results all fall in the latter part of the night.
Last modified: 2021-03-01 11:20:36 +0800