《明史·志·卷七》
《授时历》日食，阳历限六度，定法六十，阴历限八度，定法八十。
《授时历》日食，阳历限六度，定法六十，阴历限八度，定法八十。
In the "Shoushi Calendar," the solar eclipse is limited to six degrees for the solar calendar, and eighty seconds for the lunar calendar.