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  #201  
Old 08-21-2017, 10:06 PM
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Default Re: North American Solar eclipse 8/21/2017

My son was visibly disappointed in the pin hole camera, but interested in seeing the chickens go back to bed.
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  #202  
Old 08-21-2017, 11:40 PM
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Default Re: North American Solar eclipse 8/21/2017

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Originally Posted by thedoc View Post
Contrary to some who try to claim that the eclipse should move from east to west, the shadow of the Moon moves from west to east at about 1,700 Km per hour.

That was based on information from a site that must have been mistaken. 1,700 Km p/h is about 1,056 mph and another site states 2900+ mph to start in Oregon and about 1400+ mph in S. Carolina.
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  #203  
Old 08-22-2017, 12:10 AM
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Default Re: North American Solar eclipse 8/21/2017

We had 96% eclipse where I am, but that was still thousands of times brighter than the total eclipse :sadcheer:

I mean, you could tell that the sun wasn't as hot, and like, there were crescent-y shadows, but...
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  #204  
Old 08-22-2017, 02:51 AM
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Default Re: North American Solar eclipse 8/21/2017

Not to brag or anything but the total eclipse was awesome. It was totally worth the three hour drive home.
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  #205  
Old 08-22-2017, 03:12 AM
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Default Re: North American Solar eclipse 8/21/2017

To be clear, I did have eclipse glasses, but I feel like the corona was probably a lot cooler than seeing a yellow crescent.
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  #206  
Old 08-22-2017, 04:35 AM
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Default Re: North American Solar eclipse 8/21/2017

I saw it.

I prepared in advance by getting some eclipse glasses some weeks before, but then I saw warnings about how some of them were fakes. I decided that they might still be useful -- if one does not look too long through them. Just like with looking at the Sun in general -- it makes afterimages. I also punched holes in some paper plates so I could use them as pinhole cameras.

Earlier today, I put the glasses, some books, some paper, my digital camera, my cellphone, and some other stuff into a bag and took a folding chair with me to my house's front yard.

The sky was clear, with only a few wispy clouds near the horizon, and the time was 9:10 am PDT. I was just in time to see the entering partial phase begin. I used the eclipse glasses, careful to look only briefly, but the Sun through them was dark orange. It looked like it had a small bite out of it at 1 o'clock.

I watched for about an hour as the entering phase continued, and the bit expanded and became noticeably circular.

By 10 am, it was still noticeably daylight, but not as bright, and the Sun looked like a crescent. Both with my eclipse glasses and with my paper-plate pinhole camera. The leaves of a nearby tree also made a nice pinhole-camera effect. The paper-plate pinhole image was not as relatively faint as it had early been, and I could easily see my cellphone's display when I shade it. Earlier, shading it could make it only borderline visible.

I very briefly looked at the Sun around then, and while it was still bright, it did not make an afterimage.

By 10:14 am, my surroundings were noticeably dark, even with a daylight pattern of illumination, and the Sun was now a sliver at 7 o'clock.

I decided that it was safe to look at the Sun, and it looks like a bright spot on a ring -- the diamond-ring effect. When the "diamond" faded, then at 10:17 am, ...

TOTALITY. The Sun looked like a black disk with a thick white ring around it. The disk being the Moon and the ring being the corona. The sky looked as dark as dark twilight, even if not as dark as late night.

It lasted for a few minutes, and I got some pictures of it. Then I saw the diamond-ring effect again, and I knew that it was no longer safe to look directly at the Sun.

I stuck around for the remainder of the eclipse, the exiting partial phase, watching it as it happened. The Sun appeared on the opposite side of the Moon, at 1 o'clock, and as the eclipse ended at around 11:30 am, the Moon was at 7 o'clock. I then returned to my house with my bag and folding chair.
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  #207  
Old 08-22-2017, 04:35 AM
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Default Re: North American Solar eclipse 8/21/2017

Some pictures of totality:

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  #208  
Old 08-22-2017, 06:22 AM
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Default Re: North American Solar eclipse 8/21/2017

I went down to Great Smoky Mountains National Park to see it. Alas, I don't have a solar filter for my camera, so, while I got quite a few decent pictures, they were marred by internal reflections. Still, I got a couple of halfway-decent pictures.

(I "cheated" with Photo #1 and used Photoshop to remove the reflections.)
Attached Images
File Type: jpg Picture #1b.jpg (1.22 MB, 7 views)
File Type: jpg Picture #2b.jpg (1.95 MB, 7 views)
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  #209  
Old 08-22-2017, 06:27 AM
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Default Re: North American Solar eclipse 8/21/2017

I attempted to take a timed sequence, but my timing was off and I wasn't good about keeping the exposure consistent.

sequence1.jpg
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  #210  
Old 08-22-2017, 06:48 AM
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Default Re: North American Solar eclipse 8/21/2017

I shouldn't sound like I didn't enjoy the experience, because I had a lot of fun.

I'm just unhappy with my photographs overall.
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  #211  
Old 08-22-2017, 02:36 PM
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Default Re: North American Solar eclipse 8/21/2017

I was in a group where there was just a little less than 80% coverage. Some of the members of the group who were not familiar with eclipses were disappointed that it didn't get darker or colder than it did, the daylight dimmed only a little and there wasn't much change in temperature. I told them they obviously didn't know how bright the Sun really was and 80% coverage wasn't going to do much. We used a pinhole in a paper plate and plane white paper, the results were not as good as I expected.
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Old 08-22-2017, 02:41 PM
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Default Re: North American Solar eclipse 8/21/2017

It's dark and gloomy here this morning, I'm pretending it's yesterday's eclipse. I feel satisfied now.
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  #213  
Old 08-22-2017, 02:53 PM
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Default Re: North American Solar eclipse 8/21/2017

Crumb is very smart and right, totality was incredible. We drove much farther than we had to just to have a longer totality, and I only regret that I couldn't get any more time. I am sort of post-eclipse depressed now, though. I wish I could experience it again. Pictures do it no justice. Also we didn't have a proper camera setup for it. But we did have a telescope and binoculars, with solar filters for before and after, and it was amazing.
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  #214  
Old 08-22-2017, 11:01 PM
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Default Re: North American Solar eclipse 8/21/2017

We had 2 minutes of totality where we were. I swear it was only about 20 seconds, went so fast.
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  #215  
Old 08-23-2017, 01:14 AM
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Default Re: North American Solar eclipse 8/21/2017

Look at the corona! The crescent dappled shadows look like a relaxed cat.
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  #216  
Old 08-23-2017, 02:19 PM
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Default Re: North American Solar eclipse 8/21/2017

Probably the most moving sight I've seen ... after the birth of my children. Now that I know what I'm missing out on when it comes to eclipse's ... I'll be seeking out more.
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  #217  
Old 08-23-2017, 03:06 PM
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Default Re: North American Solar eclipse 8/21/2017

Well you have 2024 to look forward to. Unless you want to travel for one.
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Old 08-23-2017, 04:12 PM
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Default Re: North American Solar eclipse 8/21/2017

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Well you have 2024 to look forward to. Unless you want to travel for one.
Yep, 2024 and then 2045 will have roughly six minutes of totality ... if I can manage to hang on that long before taking my dirt nap.
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Old 08-23-2017, 05:19 PM
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Default Re: North American Solar eclipse 8/21/2017

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  #220  
Old 08-23-2017, 07:50 PM
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Default Re: North American Solar eclipse 8/21/2017

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  #221  
Old 08-24-2017, 05:39 PM
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Default Re: North American Solar eclipse 8/21/2017

How to tell if you damaged your eyes during the eclipse | Science | The Guardian
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  #222  
Old 08-27-2017, 08:15 PM
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Default Re: North American Solar eclipse 8/21/2017

Copying a post made by Witness on The Skeptical Community forum. It's a cool stacked image showing the 'dark'* side of the Moon, illuminated by reflected earthshine plus the Sun's corona.

* of course during a solar eclipse it is the side of the Moon that always faces Earth that is dark. People often use the term 'dark side' to refer to the Moon's far side - the side that faces away from Earth that we never normally see. But here I'm using "dark side" to correctly refer to the side not lit up by the Sun.


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This is a stack of 25 images shot during totality of the eclipse. Stacking exposures from 1/1600 to 8 seconds. The 8 second exposure was also processed separately to bring out lunar detail. Shot with my Canon 6D DSLR, Skywatcher ProED 80mm APO F/7.5, Celestron AVX, Orion Field Flattener. Stacked and processed in Photoshop and Lightroom
Total Solar Eclipse with Eartshine : astrophotography
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  #223  
Old 08-28-2017, 01:56 AM
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Default Re: North American Solar eclipse 8/21/2017

Here are a couple of pics I took during the height of the eclipse, where it was about 65% totality. The light outside is definitely dimmer than usual. I held the lens of some eclipse glasses over my Android's camera to get the pic on the right., though it definitely looked way cooler through the glasses.

We watched it at an eclipse event at a girl scout camp in southern RI. And Inara got a fun patch to put on the back of her girl scout vest. :yup:

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  #224  
Old 08-30-2017, 03:15 PM
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Default Re: North American Solar eclipse 8/21/2017

Californians Injure Eyeballs by Putting Sunscreen on Them to Stare at Solar Eclipse


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  #225  
Old 08-30-2017, 03:31 PM
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Default Re: North American Solar eclipse 8/21/2017

I saw that elsewhere

:obelix: these Americans are crazy

Your link ... :404:
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