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zerro1
Postmaster
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Reged: 08/02/09

Loc: Smokey Point , 48.12°N 122.25...
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: Dragonwatcher]
      #5885695 - 05/26/13 02:29 PM

4 x 4's not really a good choice. They tend to twist and curl. For the top of the cement pier, just embed J-bolts in the cement. Then the base plate of your removable pier section can be attached with the nuts on the J-bolts. Then you're just planting the pier over the J-bolts and running the nuts down, not trying to line up the holes and fighting a cross thread in the steel plate. If over time the j-bolt gets dinged up, you can run a thread chaser over the threads and clean it up.

Just my two cents


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bluedandelion
Carpal Tunnel
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Reged: 08/17/07

Loc: Hazy Hollow, Western WA
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: zerro1]
      #5886464 - 05/27/13 01:14 AM

Quote:

4 x 4's not really a good choice. They tend to twist and curl.




Yup. Use metal or concrete. One of the reasons to set up a pier is so that you don't have to polar align every night and, if you have goto, star alignment/sync data can be saved. If you use wood and it warps, your polar alignment is likely to go off and you will need to keep tweaking it. Of course, I am thinking of the theoretical possibility, but given the 9 months of moisture west of the mountains that's a chance I personally would not take.

You can probably pick up material for a 6 inch tube for a reasonable price at onlinemetals.com. They have a pick up location in Seattle so you can go in and poke your head. They may have cheap sale prices on pre-cut lengths on some shelves at this location that are not advertised online.

Strength of hollow tube piers goes up more rapidly with diameter than with wall thickness. You might also ask round in the "domes forum". People who have experience with domes and piers hang out over there.

Ajay

Edited by bluedandelion (05/27/13 01:27 AM)


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bluedandelion
Carpal Tunnel
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Reged: 08/17/07

Loc: Hazy Hollow, Western WA
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: bluedandelion]
      #5886474 - 05/27/13 01:38 AM

Sean, your assessment of my last post of the western Veil Nebula was spot on. Here's a redo. Brighter filamentary nebula, less fuzz, more but smaller stars:


Large version on flickr.

Ajay


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square_peg
Postmaster
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Reged: 03/26/04

Loc: Maple Valley, WA
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: Myles]
      #5886484 - 05/27/13 01:51 AM

Quote:

Can anyone recommend a machine shop or individual that make these plates?




Larry down at Monster Metals in Auburn is a good guy and does reasonably priced work.

http://www.monstermetal.org/contact.html


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bluedandelion
Carpal Tunnel
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Reged: 08/17/07

Loc: Hazy Hollow, Western WA
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: square_peg]
      #5887478 - 05/27/13 05:11 PM

Thanks Tom. That's a handy link.

Ajay


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zerro1
Postmaster
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Reged: 08/02/09

Loc: Smokey Point , 48.12°N 122.25...
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: bluedandelion]
      #5895960 - 06/01/13 12:19 PM Attachment (4 downloads)

So, on the forecast of mostly clear...I drove to Eastern Washington. I thought, I should go see how it looks up on Table Mountain. I'd heard that the road was open. Well, it's sort of open, but there is a gate(closed gate)right at the top about 3/4 of a mile before the end of pavement. I was going to hang there and try some shots of M106 but clouds started to move through.

I decided to head to my old reliable spot down at Vantage. By the time I reached Ryegrass Summit it started to look like imaging just wasn't meant to be(although I hadn't given up yet)

This wasn't even supposed to happen last night. Spaceweather said sunday or maybe monday... So I pulled to the side of I-90 about halfway down the grade to Vantage and shot this(hand held-it shows ) out the drivers side window.


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rwiederrich
Goldfinger
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Reged: 11/17/05

Loc: Always Dark skies of Belfair W...
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: zerro1]
      #5898530 - 06/02/13 09:25 PM

Friday and Saturday here at GOMOC were outstanding.....clear seeing and light breezes.

I rebuilt my closing motor in the OB..so the roof moves on much faster. I love my OB.

Rob


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zerro1
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Reged: 08/02/09

Loc: Smokey Point , 48.12°N 122.25...
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: rwiederrich]
      #5898566 - 06/02/13 09:50 PM Attachment (5 downloads)

Hello Rob

Been a while since I've seen any posts from you. As you can see ^ Friday wasn't a good night for me (for imaging the sky) Tonight is looking promising enough that I got my mount assembled in the front yard.


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andysea
Pooh-Bah
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Reged: 09/03/10

Loc: Seattle, WA
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: zerro1]
      #5898619 - 06/02/13 10:24 PM

Robert,
I was out in EWA also last night and setup at the Umtanum recreation area in the Yakima Canyon. I got some usable data on M106 even tho around 2am the wind really picked up and ruined most of my subsequent subs.
Where is your spot in Vantage? I haven't found a good spot down there yet.

I wonder if you can get to table mountain from the Blewett pass side. I've done it a few times with my Jeep, very rough road tho.

Andy


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rwiederrich
Goldfinger
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Reged: 11/17/05

Loc: Always Dark skies of Belfair W...
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: zerro1]
      #5898672 - 06/02/13 11:02 PM

Quote:

Hello Rob

Been a while since I've seen any posts from you. As you can see ^ Friday wasn't a good night for me (for imaging the sky) Tonight is looking promising enough that I got my mount assembled in the front yard.




Yeah.....I've been building a lot of ship models lately.....so I've been on another track.
Clear as a bell here tonight.......partly cloudy today..but currently..it's awesome for viewing.

Rob


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zerro1
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Reged: 08/02/09

Loc: Smokey Point , 48.12°N 122.25...
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: andysea]
      #5898674 - 06/02/13 11:04 PM Attachment (8 downloads)

I just get off at the Vantage exit and drive south a ways. Just before the road turns to the right near the state park there are a couple nice spots along the east side of that road. I've been going there for years. Although a car or truck drives by once in a while, I've never lost a sub to them. The west is more obscured that north east or south. And it does get windy at times.

I was driving my CRX so wasn't really very adventurous(allthough I'm not above driving it to Slate Peak ).

North was a bit of a problem on Friday night


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sleepy
9/11 Medic
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Reged: 07/10/10

Loc: The Columbia Gorge/ OR
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: zerro1]
      #5898720 - 06/02/13 11:26 PM

Nice!

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sleepy
9/11 Medic
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Reged: 07/10/10

Loc: The Columbia Gorge/ OR
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: sleepy]
      #5930004 - 06/19/13 08:29 PM

k.... is everyone still in Goldendale?

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zerro1
Postmaster
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Reged: 08/02/09

Loc: Smokey Point , 48.12°N 122.25...
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: sleepy]
      #5930020 - 06/19/13 08:37 PM

Quote:

k.... is everyone still in Goldendale?




Well I can't speak for anyone else, but I'm home...


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bluedandelion
Carpal Tunnel
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Reged: 08/17/07

Loc: Hazy Hollow, Western WA
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: square_peg]
      #5933950 - 06/22/13 12:01 AM

There is a great deal on a Takahashi FS-60C Fluorite doublet APO in the Seattle area Craigslist along with a couple of Nagler Eps. Not an imaging scope as its f/8, so I'll pass, but it will make a great grab and go for some of you visually oriented folks.

Ajay


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csa/montana
Den Mama
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Reged: 05/14/05

Loc: montana
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: zerro1]
      #5934343 - 06/22/13 10:20 AM

Wow! That is a fantastic photo of the Northern Lights! Where was this?

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zerro1
Postmaster
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Reged: 08/02/09

Loc: Smokey Point , 48.12°N 122.25...
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: csa/montana]
      #5935537 - 06/22/13 11:01 PM

Hi Carol! Thanks! That was at N latitude 46.9. That's the Columbia River and Interstate 90 crossing and heading up the hill towards Quincy, George and Moses Lake...etc

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BradleyB
professor emeritus
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Reged: 09/01/06

Loc: Olympia, WA
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: zerro1]
      #5943964 - 06/27/13 10:57 PM

It looks like I'm going to go up to Hart's Pass early next week to check it out, but for hiking, no telescope. The ranger station says the road is clear and in good shape. It is not open up to Slate Peak, only a little way up. maybe at some future time I'll take a scope up there.

Brad


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square_peg
Postmaster
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Reged: 03/26/04

Loc: Maple Valley, WA
Re: Pacific NW Mt St Helens EternaThread Pt 6 new [Re: BradleyB]
      #5944045 - 06/27/13 11:59 PM

Slate Peak is normally gated. You can drive up most the way, though. The Meadows Campground below Slate Peak is the usual scope field. It's really beautiful up there. You really feel like you're in the heart of the mountains (and you are). Take some pics for us.

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zerro1
Postmaster
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Reged: 08/02/09

Loc: Smokey Point , 48.12°N 122.25...
Re: Pacific NW Mt St Helens EternaThread Pt 6 [Re: BradleyB]
      #5944172 - 06/28/13 02:41 AM

Quote:

It looks like I'm going to go up to Hart's Pass early next week to check it out, but for hiking, no telescope. The ranger station says the road is clear and in good shape. It is not open up to Slate Peak, only a little way up. maybe at some future time I'll take a scope up there.

Brad




that usually means there are still some snow drifts in a few places on the last couple switchbacks. as hot as it's supposed to be getting in the next few days, that may change.

Have fun! It's beautiful country up there!


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