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Since I brought up the subject of line-of-sight records, here is a list of peaks that can be seen from Mt. Whitney:
Mt. Whitney's 100 Peaks to See! Compiled by Wayne Pyle
SeqNameElev.MilesTNMNEye Level
1White Mountain Peak14,24673.01.6348-0.57
2Mt. Russell14,0860.85.9352-5.57
3Tunnabora Peak13,5651.916.83-5.26
4Waucoba Mtn.11,12334.427.113-1.31
5Mt. Carillon13,5521.239.726-8.20
6Mt. Inyo11,10720.157.444-1.97
7Keynot Peak11,10120.363.950-1.96
8New York Butte10,66820.576.463-2.17
9Thor Peak12,3071.594.881-15.61
10Cerro Gordo Peak9,18828.295.682-2.25
11Charleston Peak11,918145.997.684-1.25
12Lone Pine Peak12,9443.9107.394-4.38
13Candlelight Peak12,2403.9107.394-9.96
14Telescope Peak11,04872.7112.599-1.04
15Wonoga Peak10,37111.7124.3111-3.90
16Owens Point11,3729.2125.2111-3.75
17Mt. Irvine13,7702.2134.6121-3.54
18Mt. LeConte13,9603.4138.7125-1.74
19Wotans Throne12,7261.1139.6126-17.35
20Mt. Corcoran13,7603.6140.0126-2.24
21Mt. Mallory13,8452.6140.6127-2.69
22Mt. Langley14,0424.8142.4129-1.06
23San Gorgonio11,490190.0153.8140-1.55
24Mt. McAdie13,7962.1154.3141-3.71
25Mt. Marsh13,5101.8155.4142-5.69
26Olancha Peak12,12323.7155.9142-1.26
27Cirque Peak12,9007.7156.3143-2.31
28Crooks (Day) Needle14,0800.3162.0148-15.05
29Owens Peak8,45360.3164.1150-1.52
30Mt. Baldy (Mt. San Antonio)10,064162.3166.9153-1.47
31Keeler Needle14,2400.2168.0154-13.03
32Mt. Muir14,0121.0176.4163-5.49
33Mt. Pickering13,4853.5178.8165-3.12
34Kern Peak11,51018.7179.3166-1.87
35Mt. Newcomb13,4102.7181.2167-4.45
36Joe Devel Peak13,3254.4183.1169-2.94
37Johnson Peak11,37111.2191.8178-3.10
38Hockett Peak9,55125.3192.0178-2.73
39Overlook Mountain10,24017.5194.8181-2.77
40Mt. Chamberlin13,1693.3198.3185-4.42
41Mt. Pinos (Las Padres Mtns.)8,831131.2201.7188-1.42
42Mt. Anna Mills12,0647.9204.1190-3.41
43Mt. Hitchc0ck13,1842.0213.5200-7.23
44Mt. Guyot12,3006.2219.2206-3.88
45Florence Peak12,43218.7230.4217-1.34
46Needham Mountain12,64716.1237.9224-1.36
47Mineral Peak11,55017.7239.1225-1.94
48Sawtooth Peak12,34316.9239.9226-1.50
49Empire Mountain11,50917.6244.2230-1.97
50Peak 3894 (S Red Spur)12,7768.4245.9232-2.29
51Mt. Eisen12,16016.3250.2237-1.67
52Mt. Kaweah13,80211.0250.8237-0.77
53Peak 4019 (N Red Spur)13,1868.9252.9239-1.66
54Second Kaweah13,46011.6254.3241-1.05
55Red Kaweah13,72012.1257.4244-0.78
56Black Kaweah13,76512.6259.6246-0.72
57Kaweah Queen13,38212.1262.3249-1.09
58Lawson Peak13,14012.4264.2251-1.28
59Mt. Stewart12,20514.5267.7254-1.81
60Picket Guard Peak12,30210.0269.3256-2.44
61Lion Rock12,29213.9271.2257-3.54
62Triple Divide Peak12,63413.3274.4261-1.62
63Mt. Young13,1882.0275.4262-7.20
64Kern Point12,7898.6278.5265-2.23
65Mt. Silliman11,18822.9281.4268-1.73
66Centennial Peak13,22811.5287.2274-1.28
67Milestone Mountain13,64111.3290.0276-0.90
68Midway Mountain13,66611.5292.9279-0.87
69Mt. Hale13,4911.4298.2285-7.73
70Table Mountain13,63011.6299.4286-0.90
71Thunder Mountain13,58612.0301.6288-0.91
72Tawny Point12,3325.8306.3293-4.10
73South Guard13,22413.3306.8293-1.14
74Mt. Jordan13,34411.3309.4296-1.19
75Mt. Brewer13,57014.0310.1296-0.82
76North Guard13,32714.5311.1297-0.98
77Mt. Farquhar12,89315.4312.3299-1.24
78Mt. Genevra13,05510.7312.7299-1.54
79Cross Mountain12,18516.0313.1299-1.68
80Mt. Ericsson13,60810.6320.3307-0.99
81Caltech Peak13,8329.4324.5311-0.84
82Gregorys Monument13,90710.3326.1312-0.70
83Mt. Stanford13,96910.4326.5313-0.63
84Junction Peak13,8888.8332.2318-0.81
85Mt. Barnard13,9903.8334.7321-1.47
86Mt. Tyndall14,0195.9334.9321-0.92
87Peak 13,920+13,9201.0335.0321-6.27
88Mt. Humphreys13,98652.2336.4323-0.48
89Mt. Rixford12,89015.4337.5324-1.24
90Mt. Versteeg13,4485.1338.9325-2.26
91Mt. Tom13,65256.2339.1325-0.57
92Mt. Agassiz13,89139.1340.4327-0.45
93North Palisade14,24237.7341.0327-0.35
94Mt. Keith13,9778.9341.3328-0.70
95Trojan Peak13,9504.6343.8330-1.33
96Middle Palisade14,01235.4344.0330-0.40
97Mt. Bradley13,28910.6345.9332-1.31
98Split Mountain14,05831.4346.8333-0.38
99Mt. Williamson14,3705.5348.9335-0.29
100Mt. Carl Heller13,2352.3351.4338-5.97
All you need is a compass! Have fun! Please note that seeing San Gorgonio is rare, but the current line-of-sight record for a photograph in the lower 48 States is held for a photograph from Mt. Whitney to San Gorgonio, set by John Samson on August 7, 2003.

Last edited by Wayne; 03/18/09 04:41 PM. Reason: #23 San Gorgonio added
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I found a site with a computer generated view from the top of Whitney:   Viewfinder Mountaintop Horizon Maps

From the panoramas page:
Mount Whitney, California   North   South   Photograph showing 190 mile view to San Gorgonio

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Steve,

Thanks for the links to the Digital Elevation Models.

You connect to the one for the view from Whitney to San Gorgonio. Six years ago, Dr. John Samson, a physics professor from Scotland, captured the current line-of-sight photographic record in the 48-states, by photographing San Gorgonio, 190 miles away from Mount Whitney.

The record can theoretically be broken if some photographer could capture Troy Peak in Nevada, which is 195 miles northeast of Mount Whitney.

I’ve taken the liberty of annotating the following DEM map with Troy Peak’s location, as well as Troy Mountain, which is 180 miles away:





As mentioned in my table above, Troy Peak is 51 degrees true north, or 37 degrees magnetic north, from the top of Mt. Whitney.

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Wayne

Would Whitney present a more recognizable view from Troy Peak? Would any of the needles be visible from there?

Dale B. Dalrymple
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Just for fun, I found Troy Peak, NV in Google Maps. It even will give you directions from Lone Pine: 287 mi – about 6 hours 46 mins

The directions take you north on Hwy 6 out of Bishop, through Tonopah to Warm Springs. There, you take Hwy 375, which on Google Maps is named "Extraterrestrial Hwy". Once you leave that, there are another 40 miles, which I wouldn't be surprised if it was all unpaved.

I wonder if Nevada would have the clearest skies the same time of year as California, which is just after a storm in the spring.

Wayne, do you know the date that John Samson took that 190 mile San Gorgonio picture?

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Dale,

I think it is unlikely from that distance to separate the Needles. Maybe if the Needles were in shadow after the sun drops below the Sierra Crest, you might catch them with a telephoto lens.

I think all you would see from Troy Peak would be the shadow of the Sierra Crest. I do not think Mt. Whitney would be distinguishable on the skyline.

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Steve,

The link to the Website you mention shows the date of August 7, 2003.

By the way, Dr. Samson personally messaged me about two years ago, because so many people were hitting his personal Website, or hitting on his name, after I mentioned his amazing photograph of San Gorgonio. I had mixed up the numbers in the date 7/8/03, thinking it was July 8, 2003. Dr. Samson let me know that the correct date was August 7, not July 8.

A perfectly clear day in August is amazing, since I lived most of my life in the smoggy Los Angeles basin. Dr. Samson really knows how to pick his days! Usually you can't even begin to see Mt. Baldy from Whitney at 162 miles away.

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Originally Posted By Wayne
Dale,

I think it is unlikely from that distance to separate the Needles. Maybe if the Needles were in shadow after the sun drops below the Sierra Crest, you might catch them with a telephoto lens.

I think all you would see from Troy Peak would be the shadow of the Sierra Crest. I do not think Mt. Whitney would be distinguishable on the skyline.


Wayne

When have you know me to be on top of a peak without a telephoto lens?

At 195 miles, the lens I normally use, at it's longest focal length, will produce a pixel every 25 feet horizontal and vetical. That is enough resolution to see the shape of the Whitney ridge. The usual problem is whether the air is clear enough.

Let me restate my question:
Are the needles in line of sight from Troy Peak?

Dale B. Dalrymple

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Dale,

The Needles are in your line of sight from Troy Peak.

You will be putting your telephoto lens to the test.

Your field of view from Mt. Muir to Mt. Whitney is only 0.23 degrees, or 13.8 minutes of arc. You'll need every pixel your telephoto lenses can absorb.

But if anybody can do it, I'm sure you can!

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....so, Dale... When are you going?   smile

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Originally Posted By Steve C
....so, Dale... When are you going?   smile


I came by in mid-September on a 'west half of route 6' trip back from Ohio, but a low pressure system had the clouds down to 10,000' on Troy, so I didn't stop to hike. But Troy is still there...

Dale B. Dalrymple

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Originally Posted By Wayne
Dale,
...
Your field of view from Mt. Muir to Mt. Whitney is only 0.23 degrees, or 13.8 minutes of arc.
...


That's about the distance between Castle and Conundrum Peaks at 24-25 degrees on the Handies panorama.

http://www.gigapan.org/viewGigapan.php?id=12895

Dale B. Dalrymple

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Originally Posted By Wayne
The record can theoretically be broken if some photographer could capture Troy Peak in Nevada, which is 195 miles northeast of Mount Whitney.
Wayne and Dayle, Jonathan de Ferranti is going to be surprised with this one...
(see this thread:  Quest for New Line-of-Sight Record for Mt. Whitney )
Edit:  Looking at de Ferranti's generated view from Whitney, I see that he has removed the Troy Peak and Troy Mtn labels from the view shown here (bottom panorama, left side).

Yesterday, I emailed Mike C in Las Vegas, who has written a program that uses USGS altitude/location survey data files and creates a simulated view from any location.  (He has spent hundreds of hours writing the program!)  I asked him if he could generate a view from Troy Peak toward Mt. Whitney, so people would know what to look for.

Mike replied that his program showed there was some peak in between blocking the view of Whitney.  So then he tried generating a view from Whitney toward Troy Peak as a check, and his program generated the view below.

With his generated view, he can pinpoint each pixel in the picture, and using the coordinates, determine the USGS data point responsible for that point in the picture.  Doing that, he determined that Troy Peak is NOT visible from Mt. Whitney.  The mountain identified by John Samson is actually only 135 miles away in the Kawich range.

Here is Mike's email:
Quote:
I have not yet changed the code to use an ellipsoid model, but I did create a view of Troy from Whitney. See the attached file.

The peak they have labeled as Troy Peak is actually an unnamed peak at about elevation 8850 feet in the Kawich Range, about 136.9 miles from Whitney, not 195 miles. Mytopo link:  http://www.mytopo.com/maps.cfm?mtlat=37.80125&mtlon=-116.33375

And the point they have labeled as Troy Mtn is a point at about 8780 feet in the same range here:  http://www.mytopo.com/maps.cfm?mtlat=37.76792&mtlon=-116.32875
Note that the label 8663AT refers to the "x" southeast of the label, not the high point directly below the "8."

If the output of my program did not resemble their image, I would suspect an error on my part.  But as you can see in the attached image, the peaks shown by my program closely match theirs, and I can identify the same features in both.

Their image looks like it is correct, but they have some incorrect labels.  I suspect that they used a program to accurately create the image, but human error was to blame for the incorrect identification of the peaks.

Note that with my program, I just need to open the image in MS Paint, hover the mouse over a pixel to get its x & y, and then my program tells me the lat, lon, and elevation of the point that was used to create the particular pixel. The program generated the image, so the program knows every point that created every pixel.

Mike

And here is the image he sent (click on it for the full-size version)


By the way, Mike has helped me identify the peaks in view in a photo into Yosemite from the Central Valley (which I'll post sometime soon).  His help has been invaluable, and his program is simply amazing.  And he's a friend of Rick Kent -- they climbed Aconcagua in Mexico together.  And finally, he has recently been laid off -- I think USGS or Google could use his talents.

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Wow, is White Mountain Peak really 73 miles from Whitney?

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Originally Posted By RAC
Wow, is White Mountain Peak really 73 miles from Whitney?

The one in New Hampshire is further.

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Well, Steve C, I input the coordinates of those unnamed peaks into my database, and sure enough, Mike C is spot on. The unnamed peaks do indeed block Troy Peak.

Dale, it looks like Steve and Mike have saved you a trip to Troy Peak.

I really like Mike C's program. This situation proves to me that it works.

I will remove Troy Peak from my list of peaks to see. It looks like San Gorgonio will stand as our national line-of-sight record for the 48 States, until we find another one we as yet do not know about.

Thanks, Steve, for your good detective work.

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Well, since I mislabeled the Digital Elevation Model shown above, here is a corrected version:





I hate it when that happens.

On to the next peak! I hope no more unknowns or unnamed peaks slip in the way!


Moderated by  Bob R, Doug Sr 

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Mt. Whitney Weather Links


White Mountain/
Barcroft Station

Elev 12,410’

Upper Tyndall Creek
Elev 11,441’

Crabtree Meadows
Elev 10,700’

Cottonwood Lakes
Elev 10,196’

Lone Pine
Elev. 3,727’

Hunter Mountain
Elev. 6,880’

Death Valley/
Furnace Creek

Elev. -193’

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