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Amazing picture of Half Dome?

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Re: Amazing picture of Half Dome?

Postby Hikin Mike » Tue Mar 10, 2009 6:27 pm

I'm a believer now! Since my kids go up to Keyes, CA every Tuesday, I tagged along....camera in tow. We had two trips, one in the morning and one in the afternoon. I couldn't see anything in the morning, but boy this afternoon was a different story. :D

You can click the photo to see it "full size" (800px X 400px)...
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Canon 5D, 300mm f/4L IS, 1.4x II and cropped for a 'panoramic' format.



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Re: Amazing picture of Half Dome?

Postby tim » Tue Mar 10, 2009 7:08 pm

This was what I saw of the Sierra on Monday morning - any ideas what the mountains are? I'm looking just north of east from Redwood City on the Peninsula. Hey - maybe one of these is Half Dome too :lol:
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Sierra at sunrise.jpg
Sierra at sunrise - Yosemite? Sonora?
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Re: Amazing picture of Half Dome?

Postby Windwalker » Tue Mar 10, 2009 8:53 pm

Hikin Mike wrote:I'm a believer now! Since my kids go up to Keyes, CA every Tuesday, I tagged along....camera in tow. We had two trips, one in the morning and one in the afternoon. I couldn't see anything in the morning, but boy this afternoon was a different story. :D


Amazing!....I really didn't believe it. I wonder why in all these years I have never seen a photo of Half Dome from the valley. Too cool!
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Re: Amazing picture of Half Dome?

Postby Buck Forester » Tue Mar 10, 2009 8:57 pm

Amazing!....I really didn't believe it. I wonder why in all these years I have never seen a photo of Half Dome from the valley. Too cool!


How credible is this Hikin' Mike feller? :p
It's all about the WILDERNESS!!!

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Re: Amazing picture of Half Dome?

Postby Windwalker » Tue Mar 10, 2009 9:03 pm

LOL!

I dunno he keeps claiming to have taken this shot too. LOL!
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Re: Amazing picture of Half Dome?

Postby Hikin Mike » Tue Mar 10, 2009 9:28 pm

You guys crack me up! :lol:

Honestly I didn't believe it either, but I kept seeing the location from different people and cameras....so I had to try and find the place. I'm going to see if I can see it from Atwater. I tried this evening but I couldn't find any landmarks.
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Re: Half Dome from Denair CA

Postby Steve_C » Wed Mar 11, 2009 12:34 am

I worked with Wayne P (now in NC), and he has helped me id the peaks from that view.

Here's the picture:
Image
Full size is here.

Here is a Google Maps view of the camera site and lines to all the peaks:
Image
Full size is here.
Here is the Google Maps link, where you can zoom in or move the map around.
Tony Immoos posts are here: Half Dome and Panorama
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Re: Amazing picture of Half Dome?

Postby Hikin Mike » Wed Mar 11, 2009 12:52 pm

Steve,

I saw that too...thanks for taking the time to locate them all! :nod:
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Re: Amazing picture of Half Dome?

Postby ERIC » Wed Mar 11, 2009 1:16 pm

A simple viewshed analysis using ArcGIS or equivalent would put this debate to rest. You'd need the x,y,z of where the photo was taken, and USGS elevation datasets (DEM) for the specific peaks in question. The only limiting factors would be standard dataset error (7.5-minute DEM's are 15-meter or better, which is acceptable for analysis at this scale), obstruction from air particulates, and any vegetation or man made objects in the immediate foreground and line of sight.

If you give me the x,y coordinates, I'll see if I can find the time to put something together.
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Re: Amazing picture of Half Dome?

Postby STRETCHMAN » Wed Mar 11, 2009 1:19 pm

I did not think it was possible,now I believe! ](*,)
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Re: Half Dome from Denair CA

Postby Steve_C » Wed Mar 11, 2009 2:27 pm

Quoting Eric:
> A simple viewshed analysis using ArcGIS or equivalent would put this debate to rest.

Not sure there is a debate, Eric. There may be doubters, but all they need to do is look more closely at the maps

> If you give me the x,y coordinates,
...of the camera location? Use this in Google Maps: 37.5447 -120.73726

> I'll see if I can find the time to put something together.
It takes more time than you might expect. :smirk:
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Re: Half Dome from Denair CA

Postby ERIC » Wed Mar 11, 2009 2:46 pm

Steve_C wrote:It takes more time than you might expect. :smirk:


Nah. Easy with ArcGIS. I've made hundreds of viewshed maps over the years. :)
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