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07/30/2021 – Ephemeris – Previewing August skies

30 Jul 2021, 04:01 UTC
07/30/2021 – Ephemeris – Previewing August skies
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This is Bob Moler with Ephemeris for Friday, July 30th. Today the Sun will be up for 14 hours and 43 minutes, setting at 9:10, and it will rise tomorrow at 6:28. The Moon, 1 day before last quarter, will rise at 12:38 tomorrow morning.
Let’s look ahead at the month of August in the skies. Daylight hours will decrease from 14 hours and 38 minutes on the 1st to 13 hours 16 minutes on the 31st. The altitude of the Sun at local noon, that is, degrees of angle above the horizon, will decrease from 63 degrees Sunday to just over 53 degrees on the 31st. Straits area listeners can subtract one more degree from those angles, but their daylight hours will be a few minutes longer. Local noon, when the Sun is due south, is about 1:43 p.m. The Perseid meteor shower will reach its peak at between 3 and 6 p.m. on the 12th. That means that more than likely the early mornings of the 12th and 13th will be equally good for viewing them. I tend to prefer viewing before the peak, if given a choice.
The astronomical event times given are for the Traverse City/Interlochen ...

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