Plan NOW for the big Aug 21 Eclipse!

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Ed Hartouni

Trad climber
Livermore, CA
Jun 26, 2017 - 08:59am PT
what's some photography advice?

what's your "dream image"?

I posted a composite I took from the 2012 total solar eclipse, used an ND400 filter on my DLSR...

I'd set up a better scheme for tracking the Sun if I did it again (still not sure I'll go out for this one).

Also note that it was a clear day but the Sun is so bright that even a bit of haze gets illuminated enough to show on the image. It's not just the big clouds, but the entire atmosphere that is a part of the scene. The calmer the atmosphere the better.

Credit: Ed Hartouni

on my DLSR I used a 50mm prime f/5.6 and 1/2000 s exposure at ISO 100

one difficulty is making sure you have it focused, which you can do by taking many practice shots of the Sun the day before and seeing where exactly the "infinity" setting is.

I also tried a number of filter combinations and exposure times... I'm sure there must be some photog out there with all the info... but try to get your rig before and go out and take a lot of shots of the Sun. Looking at my files from around that time I was shooting a lot the days before in an attempt to figure out what images I liked... in the end I went with the red-ball being occluded with the black shadow... pretty basic.

I think I settled on the deep red filter with the ND400.

Credit: Ed Hartouni

here is one with different filtering (probably just the ND400) at f/11 and 1/2000s taken two days before.

Credit: Ed Hartouni

I might have used my 180mm prime if I had thought it worth buying the expensive filter for it (72mm was pricey).
Eric Beck

Sport climber
Bishop, California
Jun 28, 2017 - 07:37am PT
Found this on slashdot:
https://science.slashdot.org/story/17/06/27/202250/august-solar-eclipse-could-disrupt-roads-and-cellular-networks
dirtbag

climber
Jun 28, 2017 - 07:46am PT
Thanks Ed for your advice.

We will be in the Wind River Range. Even if the weather sucks the light should be amazing.
Ed Hartouni

Trad climber
Livermore, CA
Jun 28, 2017 - 08:22am PT
the one problem with photographing the eclipse is that it takes over the entire experience

there was a lot happening that I didn't really didn't get to appreciate because I was focussed on that task...

dirtbag

climber
Jun 28, 2017 - 08:36am PT
Yeah, that's why I'm leaning towards passing on photos (except a selfie or two when the light is low) and just taking in the experience. It's only about two minutes or so long and I don't want to miss it.
cleo

Social climber
wherever you go, there you are
Jun 28, 2017 - 11:45am PT
Interesting insight on the photography being all encompassing.

I'm thinking more along the lines of landscape with a blocked off sun, although I'm not sure how that will work.

We might try to get to a high a vantage point to watch the moon's shadow move across the plains "the terminator". Which could make an interesting timelapse photo.
Ed Hartouni

Trad climber
Livermore, CA
Jun 28, 2017 - 10:32pm PT
at mid latitudes the Moon's shadow will be traveling something like 7,000 miles per hour.

the horizon distance in miles is roughly the square root of your altitude in feet (work it out! it's amazing)

So if you're on a prominence overlooking a large flat plane, think the Front Range, DETO, and the like, you might be 1300 ft above the plane, the horizon is 36 miles, so you get to see the shadow (although DETO isn't in the path of this one) over 72 miles, the shadow traverses 36 miles in 16 seconds.

And the transition from the penumbra to the umbra is not sharp.

Probably a video would be better than a time lapse... it would be a short video.


OMG!
you might want script your comments before the event...

Reilly

Mountain climber
The Other Monrovia- CA
Topic Author's Reply - Jul 12, 2017 - 09:53am PT
If you aren't beta'd out already there's some gud stuff on this Canon site:

http://learn.usa.canon.com/resources/articles/2017/eclipse.shtml
Captain...or Skully

climber
Boise, ID
Jul 17, 2017 - 02:18pm PT
So I scouted out my planned summit for the eclipse. It's gonna be a LONG walk.
Shouldn't be a crowd there, anyway. So there's that.
WyoRockMan

climber
Grizzlyville, WY
Jul 21, 2017 - 10:27am PT
Minis are ready.
Credit: WyoRockMan
Esparza

Trad climber
Westminster, CA
Jul 21, 2017 - 11:37am PT
Looking forward to this! My son and I will be back in the Wind Rivers when this occurs.... Will be bringing my Canon back there :-)
Jaybro

Social climber
Wolf City, Wyoming
Jul 21, 2017 - 02:42pm PT
Will be at solar eclipse sushiffest in Wyoming! Near Fremont canyon!
dirt claud

Social climber
san diego,ca
Jul 21, 2017 - 02:52pm PT
I know it's pretty far south and won't be able to get the full effect but the wife and I will be on top of Dome Rock I think, planning on being in Kern area at that time so that seamed like a good spot.
Reilly

Mountain climber
The Other Monrovia- CA
Topic Author's Reply - Jul 21, 2017 - 02:55pm PT
Claudio, you won't see a thing I'm afraid. IF you have eclipse glasses
you will see a little of it but none of the good stuff.
High Fructose Corn Spirit

Gym climber
Jul 24, 2017 - 10:22am PT
You all know who Phil Plait is.

Everything you need to know about the August 21 total solar eclipse...

http://www.syfy.com/syfywire/the-great-american-solar-eclipse-of-august-21-2017-part-1

"After the August 2017 total solar eclipse, the next annular solar eclipse that can be seen in the continental United States will be on October 14, 2023 which will be visible from Northern California to Florida. Following this, we will have a total solar eclipse on April 8, 2024 visible from Texas to Maine."


Average August cloud cover...

...

del cross, that sure looks awfully close to a total. Wow.
dirt claud

Social climber
san diego,ca
Jul 24, 2017 - 10:38am PT
Reilly, it looks like we will get about half or 3/4 of the experience.
We will just be happy to be in Kernville area anyways though, the partial eclipse will be an added extra. Thanks for the info del cross.
Hope you all have a great time wherever you go to see the eclipse.
Brandon-

climber
The Granite State.
Jul 24, 2017 - 11:04am PT
For the east coasters, you can see the 2024 eclipse from the summit of Katahdin.
Reilly

Mountain climber
The Other Monrovia- CA
Topic Author's Reply - Jul 24, 2017 - 11:32am PT
The concensus is pretty clearly in favor it being WAAY COOL.
The next one is in Patagonia - don't procrastinate!

Brandon, will you be able to see Russia from Katahdin too? ;-)
Brandon-

climber
The Granite State.
Jul 24, 2017 - 11:36am PT
If that was a dig, I'm not getting it.
High Fructose Corn Spirit

Gym climber
Jul 24, 2017 - 11:49am PT
It feels like the first time.



https://www.youtube.com/watch?v=8Tl-kOcnn1U
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