The third perigee, or "super" full moon to occur this summer rises Sept. 9. But as big moons have gone, this one will be somewhat shrimpier. If you want a real show, wait another three years, when a rare total solar eclipse takes place right overhead.
Meanwhile, here's what to know:
Supermoons occur when the moon is at perigee, the point in its orbit closest to Earth, as it becomes full. Those moons appear larger and brighter.
The moon rises about at 8 p.m. Sept. 8 but won't be at its closest to earth until just after 1 a.m. Sept. 9.
At perigee, the moon will be a mere 216,000 or so miles away from Charleston.
It will appear largest at moon rise, but the timing and its position in relation to earth will make it appear somewhat smaller than the super-super moon that rose in August.
On the other hand:
The first total solar eclipse over the continental United States since 1979 takes place Aug. 21, 2017.
The eclipse will the first total one seen all across the lower 48 state since 1918.
It leaves the mainland just northeast of Charleston
In Charleston, total eclipse takes place about 2 p.m.
Umbraphile is the term for someone who loves eclipses.
Sources: College of Charleston astronomer Terry Richardson, Sky and Telescope, space.com timeanddate.com