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The most accurate map for August 21’s total solar eclipse

nasaviz.gsfc.nasa.gov

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Re: The most accurate map for August 21’s total solar eclipse

#71

Post by f_allwein »

gagabity wrote: post #29

What about the rest of the world!!

There's a total solar eclipse somewhere on earth every year or two. See if there's one coming up near you: https://www.timeanddate.com/eclipse/list-total-solar.html

It is an amazing spectacle (provided there are no clouds), and certainly worth some travelling to see it.

Re: The most accurate map for August 21’s total solar eclipse

#72

Post by gmiller123456 »

jessriedel wrote: post #32

Can someone explain why the claimed shadow of the moon is vastly more bumpy than it ever appears in the night sky? Or how to square this with the fact that altitude of the highest and lowest points on the Moon differ by less than 20km, or less than 1% of the diameter? The shadow looks like it has bumps of about 5-10% of the diameter.

The shadow is pretty circular near the center of the eclipse. If you look at the map, the bumpiest parts are far from the center where the shadow is elongated due to it hitting more to the side of the Earth's sphere. You'd see an oval if the Earth and moon were perfect spheres. But any irregularity on the moon gets stretched out, and irregularities of the Earth's surface add to it even more.

Re: The most accurate map for August 21’s total solar eclipse

#74

Post by gmiller123456 »

Best advice I've accumulated so far:

1. Don't plan to drive anywhere on eclipse day (90% of the US lives within an 8hr drive of totality, so traffic will be horrible)

2. A 600-800mm lens is optimal for photography. Anything short of 200mm is useless.

3. Don't make any solid plans until 3-4 days before. Most places only have about 40% chance of it being clear.

4. If you're photographing the partial phases. Stop and check everything (batteries, memory card, focus, etc) about 5 min before totality.

5. If you have any technological issues during totality, just sit back and enjoy watching it.

6. On eclipse day, if you're in a place that has 2 min or more of totality, just stay there. There's not a lot to be gained by risking moving.

7. All across the US, the sun will be high in the sky, good horizons aren't necessary.

Re: The most accurate map for August 21’s total solar eclipse

#75

Post by anth1988 »

gmiller123456 wrote: post #74

Best advice I've accumulated so far: 1. Don't plan to drive anywhere on eclipse day (90% of the US lives within an 8hr drive of totality, so traffic will be horrible) 2. A 600-800mm lens is optimal for photography. Anything short of 200mm is useless. 3. Don't make any solid plans until 3-4 days before. Most places only have about 40% chance of it being clear. 4. If you're photographing the partial phases. Stop and ch…

> Don't plan to drive anywhere on eclipse day

> Don't make any solid plans until 3-4 days before. Most places only have about 40% chance of it being clear.

If you haven't made plans already, you are probably driving.

Best I could do was get a room in portland the night before. Gonna have to get up stupid early and try to make it. 3-4 days before is gonna be tough.

Re: The most accurate map for August 21’s total solar eclipse

#76

Post by ngokevin »

qwerunf wrote: post #31
nicholas73 wrote: post #28

Earlier quoted context omitted.

Is there something special about this total eclipse over others?

It's "relatively" easily accessible for those living in the United States and covers a huge swath of the country. Many total solar eclipses happen over the middle of the ocean, or at the poles, or in a location that is not as easily accessible. The next eclipse (after this one) to pass through the United States is in 2024.

For other people's information, it will cut through Mexico, Texas (incl. Dallas), Arkansas, New York (Buffalo), Maine.

Re: The most accurate map for August 21’s total solar eclipse

#78

Post by sixQuarks »

DamnYuppie wrote: post #6
wyldfire wrote: post #2

I heard from a co-worker who plans to travel to Oregon that some of the hotel rooms in the path of the umbra are sometimes > 2-3k USD for the night(s) prior to the eclipse.

I am on a project in Bend, OR and the city is booked solid for that week. The camp grounds are booked as well. Your best bet would be to rent an RV and boondock out on the BLM land around town. Yes the hotel prices are very high, but I hadn't seen any that high.

I actually have an RV and live in Portland. Where do you recommend boondocking close to Portland?

Re: The most accurate map for August 21’s total solar eclipse

#79

Post by ythn »

smnscu wrote: post #77

Smarter Every Day just posted a great video related to this: > HOW TO WATCH THE ECLIPSE (AND SHADOW SNAKES) - Smarter Every Day 171 https://www.youtube.com/watch?v=qc7MfcKF1-s

I'm hoping the masses take to capturing high definition footage of the shadow snakes. Someone, somewhere will be able to get decent footage hopefully.
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