The time frame in the event the Solar is not more than 6 degrees beneath the horizon at either dawn or sunset. The horizon should be Evidently described as well as brightest stars really should be seen beneath great atmospheric circumstances (i.e. no moonlight, or other lights). 1 still should https://andresugscs.blogoscience.com/32874703/the-smart-trick-of-jeju-weather-that-nobody-is-discussing