September 17, 2024
When a full moon occurs at a point in the orbit around Earth when it is at its closest, it is called a Supermoon. This can make the moon appear as much as 8% larger and 15% brighter. The size is more noticeable when it rises and sets, but the brightness can seep through your windows at night and keep nocturnal animals extra active.
Tonight we will experience the second of four supermoons in a row. This one includes a partial eclipse. But before we get too excited there a a few things to keep in mind.
The cycle around Earth is not a perfect circle, it is an ellipse. The closet part is called perigee, the farther is apogee.
The orbit of the moon around Earth is an eclipse, rather than a circle. That shape means there are times when the two bodies are far apart (apogee) and close together (perigee).
The unique alignment of the full moon with the elliptical orbit, is that a few full moons in a row can be supermoons, occurring within a day or two of the perigee or closest part of the orbit. This year we have four months or full moons in a row with Supermoons. The first of this cycle was on Monday August 19th, 2024. After tonight, the next one on October 17 will be closer followed by the last of this group in November.
This real special aspect is that this will be the second of four super moons in a row. The full moon will occur while the illumination is within 90% of perigee. That makes the moon appear larger AND brighter than average.
The full range can be a micro-moon, full moon at apogee, to the supermoon will appear 14% larger and 30% brighter.
But compared to average, we can expect 8% larger and 15% brighter.
There has been a lot of buzz about the lunar eclipse tonight. Here is the simulation diagram from NASA showing how the moon will pass through ‘part’ of Earth’s shadow.
As we can see, there is only 8% will be in the Penumbra or outer shadow. This still allows some light from the edges of Earths atmosphere passing through. The real measurement is the 3.5% of the darkest part of the shadow from Earth the will cover the moon.This will hardly be noticeable.
Simply put: It rises in the East and sets in the west. The time of the eclipse will be nearly overhead in the Eastern US. It will be in the Eastern Sky for the Western US.
224,917 miles away
Moonrise in Baltimore 8:16 PM EDT. Note it can take 30 minutes or longer in some areas to see the moon rise if there are obstructions from trees, hills, or buildings.
Also known as the Sturgeon Moon named by Native American Tribes because the number of fish that increase this time of year.
This is a Blue Moon based on the original definition of a fourth full moon in a season. The more modern adjusted definition is for when a second full moon occurs in the same month. That is not the case this time.
222,131 miles away
Also Harvest Moon or Corn Moon. This was named by farmers as the extra light allowed for harvesting into the night.
There will be a partial lunar eclipse but with only about 3% abstracted it will not be noticeable.
222,055 miles away. This will be the CLOSEST of the year! That means the largest and brightest as well.
This is also The Hunter’s Moon. It was named by hunters the use the extra light to hunt for fattened deer and fox.
224,853 miles away.
This is also known as The Beaver Moon because Native Americans saw beavers setting traps or more active building winter dams.
It is also called The Frost Moon as it can correlate to the first frost of the season.
November 14, 2016 221,533 miles
December 3, 2017 222,443 miles
January 2, 2018 221,583 miles
February 19, 2019 221,734 miles
April 8, 2020 221,851 miles
May 26, 2021 222,117 miles
July 13, 2022 222,089 miles
August 31, 2023 222,043 miles
October 17, 2024 222,056 miles
November 5, 2025 221,817 miles
December 24, 2026 221,668 miles
The annual event: Hiking and biking 329 miles in 7 days between The Summit of Wisp to Ocean City.
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I am aware there are some spelling and grammar typos and occasional other glitches. I take responsibility for my mistakes and even the computer glitches I may miss. I have made a few public statements over the years, but if you are new here, you may have missed it: I have dyslexia and found out during my second year at Cornell University. It didn’t stop me from getting my meteorology degree and being the first to get the AMS CBM in the Baltimore/Washington region.
One of my professors told me that I had made it that far without knowing and to not let it be a crutch going forward. That was Mark Wysocki, and he was absolutely correct! I do miss my mistakes in my own proofreading. The autocorrect spell check on my computer sometimes does an injustice to make it worse. I also can make mistakes in forecasting. No one is perfect at predicting the future. All of the maps and information are accurate. The ‘wordy’ stuff can get sticky.
There has been no editor who can check my work while writing and to have it ready to send out in a newsworthy timeline. Barbara Werner is a member of the web team that helps me maintain this site. She has taken it upon herself to edit typos when she is available. That could be AFTER you read this. I accept this and perhaps proves what you read is really from me… It’s part of my charm. #FITF
