Identifying distant peaks

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Identifying distant peaks

Postby icefest » Tue 03 Jun, 2014 7:41 pm

I need some help.

The panorama thread made me revisit some older photos and i'm stuck trying to identify a couple of distant hills (A, B)
I'm standing on the peak of the Irounbounds and looking through the Portal of the Arthurs.

I'm thinking this might be The Thumbs but I can't get the topo to fit. Any ideas?

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Re: Identifying distant peaks

Postby Scottyk » Tue 03 Jun, 2014 8:12 pm

I think The Thumbs is peak B.
I reckon the lower peak A is just the Saw Back Range.
Sort of lines up on my big topo hanging on the lounge room wall.
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Re: Identifying distant peaks

Postby frenchy_84 » Tue 03 Jun, 2014 8:44 pm

A would be clear hill and thumbs would be b
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Re: Identifying distant peaks

Postby frenchy_84 » Tue 03 Jun, 2014 8:45 pm

Or maybe stepped hills. I usually draw a line in google earth to see if they line up
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Re: Identifying distant peaks

Postby icefest » Tue 03 Jun, 2014 9:44 pm

I tried the google earth trick, It looks like Mt Wright and the thumbs:

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Re: Identifying distant peaks

Postby pazzar » Tue 03 Jun, 2014 11:37 pm

I think Frenchy's first guess is correct. Could not be Stepped Hills or Wright as they would be obscured by the Thumbs. Clear Hill makes sense as it lies about 2km west of the Thumbs.
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Re: Identifying distant peaks

Postby tibboh » Wed 04 Jun, 2014 7:00 am

Definately The Thumbs for the obvious peak..........but I have my doubts about Clear Hill for a couple of reasons. Clear Hill is pretty much the same height as Thumbs yet appears lower in the photo even thought their distance from the photographer is virtually identical. Secondly The Thumbs appear darker indicating closer????
So my guess for peak A is a more distant part of the Denison Ra? Similar or greater height but further away.....your thoughts?
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Re: Identifying distant peaks

Postby stepbystep » Wed 04 Jun, 2014 7:27 am

Definitely Clear Hill left, Thumbs right.
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Re: Identifying distant peaks

Postby tibboh » Wed 04 Jun, 2014 7:56 am

So I had a look with LISTmap and with a strait edge Clear Hill is a fair way to the left of a line from The Ironbound Ra over the Crags to The Thumbs. The deviation is too great from a point we all agree on. You're going to have work harder to convince me it's Clear Hil taking into account my previous post also.
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Re: Identifying distant peaks

Postby stepbystep » Wed 04 Jun, 2014 8:29 am

tibboh wrote:So I had a look with LISTmap and with a strait edge Clear Hill is a fair way to the left of a line from The Ironbound Ra over the Crags to The Thumbs. The deviation is too great from a point we all agree on. You're going to have work harder to convince me it's Clear Hil taking into account my previous post also.


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Re: Identifying distant peaks

Postby stepbystep » Wed 04 Jun, 2014 8:41 am

I think it's Stepped Hills. This is taken from near Lake Prom
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Re: Identifying distant peaks

Postby stepbystep » Wed 04 Jun, 2014 8:44 am

Wrong again. It's Mt Wright!!
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Re: Identifying distant peaks

Postby stepbystep » Wed 04 Jun, 2014 8:47 am

Profile matches perfectly(I think...)
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Re: Identifying distant peaks

Postby north-north-west » Wed 04 Jun, 2014 8:52 am

I, too, vacillated.

B is definitely Thumbs. First thought was that A had to be Clear Hill, but it's too close given the angle. . .
. . . Wright does make more sense.
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Re: Identifying distant peaks

Postby tibboh » Wed 04 Jun, 2014 8:53 am

Yeah peak A profile is fairly even with the slope on either side whereas Clear Hill is steeper on the west. Also Wright is close to the right line in the photo, just to the left of Thumbs, and further away and lower in altitude. It ticks all the boxes. Wright is right I think SBS.
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Re: Identifying distant peaks

Postby icefest » Wed 04 Jun, 2014 9:20 am

Thanks everyone for helping.
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Re: Identifying distant peaks

Postby slparker » Thu 05 Jun, 2014 9:43 am

You could try the navigation technique of intervisibility to prove what the peaks are (or, rather, prove what peaks are visible on that bearing from that co-ordinate). last time I did this was in a classroom in 1992 and I have never had to do it in real time but from memory, it's a process of trigometrically calculating the elevations that will will be visible in a line of sight.
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