An early Harvest Full Moon rises Saturday. Here's what to expect.

The moon is in the sky this weekend.

The Harvest Moon is a title for those living in the northern hemisphere. When the moon reaches that spot in the sky, it becomes a full moon. On Saturday at 5:59 a.m., there will be a moment. The time is eastern.

The closest full moon to the September equinox is Saturday, so this year it falls in September. The Harvest Moon can be seen as early as September 8 or as late as October 7.

You can see what you can see tonight.

The Harvest Moon doesn't stay in the sky longer than any of the other full moons. Farmers can work late into the night by the moon's light, which is what sets Saturday's full moon apart. It rises about the time the sun sets, but more importantly, at this time of year, instead of rising its normal average 50 minutes later each day, the moon rises at almost the same time each night.

The local moonrise times for September 9th, 10th and 11th are provided, with the middle date being the Harvest Full Moon.

The moon rises just over 25 minutes later each night, or about half of the normal 50 minutes. The table shows that Miami sees the moonrise come an average of just under 36 minutes later than the rest of the country. The average difference is only 12 minutes at more northerly locations.

The ecliptic makes its smallest angle with respect to the horizon at this time of year because the moon appears to move along it.

The ecliptic at this time of year is almost a right angle to the eastern horizon for those in the southern hemisphere. The difference for the time of moonrise is greater than the average. The night-to-night difference in Australia is 72 minutes.

The moon appears to rise at the same time each night around the time of the Harvest Moon for people in the 60o north latitude. The moon appears to rise earlier for those living further north. The times of moonrise on Sept. 9, 10 and 11 are as follows: 8:51 p.m., 8: 43 p.m. and 8:36 p.m. The moon will appear to rise eight minutes earlier each night.

If you want to see the Harvest Moon, you can check out our guides. If you want to take a good picture of the moon, check out our recommendations for the best cameras.

Send your photo, comments, and your name and location to spacephotos@space.com if you want to share it with Space.com's readers.

There is an instructor and guest lecturer at New York's Hayden Planetarium. He writes about astronomy for a number of publications.

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