snorkler
Aperture Aficionado
Reged: 10/11/04
Posts: 10041
Loc: Bay Area, California
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Tom,
I think I've earned a Get Out of Jail card for the next time one of your Mods jumps on me, don't you agree? 
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I'm not the lowest of the low, but I am the slowest of the slow. '06 Scion xB. 49.6 mpg avg over 38,000 miles. 177% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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Don W
demi-god
Reged: 05/19/03
Posts: 19226
Loc: Wisconsin, USA
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He had it at a star party here in Wisc. last month, but I wasn't there. I'll have to ask him if he's planning to bring it to Australia this fall.
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DON'T PANIC!-Hitchhiker's Guide to the Galaxy
Don Wyman
Obsession 18" f/4.5 #1166
W/Argo Navis DSC and Torus Primary
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Tom Trusock
Reged: 02/26/02
Posts: 33846
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Quote:
Quote:
Tell Dave to bring one of those to BTHRSP next month!!!!!
T, I don't think there is a "one of those" -- that one is it. He said he's only had it a couple of weeks and it's even still being tweaked. For instance, as Darrell said, he intends to make the poles 1.25" in diameter, but the poles in the prototype pictured here are 1"; Dave's decided to make them a little bigger. He mentioned some hardware changes too. But it's very cool looking in person! He didn't have the exact weight but estimates total weight at about 60 pounds; the bottom part without the UTA is about 12" tall. Portability is the name of the game here.
Well, THAT One then. 
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You do not need a parachute to skydive, you only need a parachute to skydive twice...
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snorkler
Aperture Aficionado
Reged: 10/11/04
Posts: 10041
Loc: Bay Area, California
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This photo shows the UC's reverse mirror cell. It's designed this way for clearance issues. There is no mirror box.
Dave Kriege demonstrating the attachment of the altitude encoder bracket to the rocker box. The encoder arm attaches to the altitude bearing. The Argo Navis computer clips on the truss tube.
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I'm not the lowest of the low, but I am the slowest of the slow. '06 Scion xB. 49.6 mpg avg over 38,000 miles. 177% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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JimMo
I'd Rather Do It Myself
Reged: 01/08/07
Posts: 3809
Loc: Under the SE Michigan lightdom...
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Cool scope.
I'll have to wait till he writes another book and build one myself. 
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Jim M.
Ford Amateur Astronomy Club
Homemade 14.5" f4.3 Truss Dobsonian
TV85
Lunt LS60THa
Meade LX80 mount
Astrotech Voyager alt/az mount
"I'd like to remind you at four in the morning my world is very still,
The air is fresh under diamond skies, makes me glad to be alive." Randy Bachmann "Blue Collar"
Edited by jimmoscheck (05/15/07 05:47 PM)
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Sirius76
Vendor-Dark Skies Apparel
Reged: 05/11/07
Posts: 310
Loc: Chicago, Il
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Kinda wierd feeling, isn't? I still can't get use to the idea that that scope is an "Obsession"!
I don't know. Its definately going to take some getting use to!
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Clear Dark Skies,
Dragan Nikin
Dark Skies Apparel @darkskiesappare
Deep Sky Forum @deepskyforum
www.darkskiesapparel.com
www.deepskyforum.com
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FirstSight
Postmaster
Reged: 12/26/05
Posts: 7676
Loc: Raleigh, NC
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Good thing you all have something new under the sun (or stars) to "obsess[ion]" about - the National Weather Service forecast for Alpine, TX the rest of the week is rather heinous for a star party in semi-desert country. Lots of "mostly cloudy with 50% chance of thunderstorms" at night.
Of course, often such forecasts cause a "reverse jinx" and skies clear up beautifully around midnight for the vampires and caffeinated among you.
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Chris M., aka "First Sight"
Orion XT12i Dob with Moonlite CR-2 focuser
TeleVue NP-101 refractor
WO Megrez 90 refractor
UniStar Light mount
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lphilpot
sage
Reged: 10/15/05
Posts: 343
Loc: Central Lousiana, USA
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Quote:
Good thing you all have something new under the sun (or stars) to "obsess[ion]" about - the National Weather Service forecast for Alpine, TX the rest of the week is rather heinous for a star party in semi-desert country. Lots of "mostly cloudy with 50% chance of thunderstorms" at night.
Just remember, The Worst Day (night) at a Star Party is Better Than the Best Day at Work...
(that's, "TWDAASPIBTTBDAW"). 
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Len Philpot
len@philpot.org ><> http://lphilpot.zenfolio.com
 Catahoula Lake, Louisiana
14.5" TeleKit, 8" Hardin DSH, Orion ST80, Orion 10x70, Celestron 8x40, Orion Sea Otter 8x25 ... How long 'til the next TSP...??!
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Jarad
Postmaster
Reged: 04/28/03
Posts: 5732
Loc: Atlanta, GA
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That looks a lot like Greg Babcock's design (and there are a few others who have made similar designs). Very nice.
Is he planning on making anything larger than an 18"? I'd be interested in a 20"-24"!
Jarad
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Tom Trusock
Reged: 02/26/02
Posts: 33846
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Quote:
Tom,
I think I've earned a Get Out of Jail card for the next time one of your Mods jumps on me, don't you agree?
Well, as long as it's not about ladders...
BTW - what is the height on the 18" - it looks like it's GOT to be shorter than the regular version.
Any word on shroud attachments?
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You do not need a parachute to skydive, you only need a parachute to skydive twice...
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snorkler
Aperture Aficionado
Reged: 10/11/04
Posts: 10041
Loc: Bay Area, California
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It looks to be a touch under 6' 6" at its tallest point, where the secondary attaches. I'm not sure how tall Dave and James are, but you can judge the height of the UC from the following photo. The eyepiece height looks just about right for Dave standing flatfooted.
BTW, I met Dave going to TSP registration and mentioned I'd posted a report on CN. He mentioned some podunk town in Michigan and asked of you lived there. I said I thought so. He said he's thinking of dropping one by for you to review when he goes to BTHRSP  
No light shroud yet. Being a triangular section tube, it'll probably need hoops. Someone from the audience asked about a shroud, and Dave said there isn't one yet.
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I'm not the lowest of the low, but I am the slowest of the slow. '06 Scion xB. 49.6 mpg avg over 38,000 miles. 177% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
Edited by snorkler (05/15/07 07:19 PM)
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dave b
Post Laureate
Reged: 05/10/05
Posts: 4501
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i wonder if bruce sayre is getting a royalty check?
http://www.foothill.net/~sayre/20-in.%20telescope.htm
i got to admit i want one, as long as no one comes up kicking gravel my way!
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dave bonandrini
30" f/5.2 Dobsonian
President of GCAC
Astromart Moderator
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Tom Trusock
Reged: 02/26/02
Posts: 33846
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Quote:
It looks to be a touch under 6' 6" at its tallest point, where the secondary attaches. I'm not sure how tall Dave and James are, but you can judge the height of the UC from the following photo. The eyepiece height looks just about right for Dave standing flatfooted.
BTW, I met Dave going to TSP registration and mentioned I'd posted a report on CN. He mentioned some podunk town in Michigan and asked of you lived there. I said I thought so. He said he's thinking of dropping one by for you to review when he goes to BTHRSP
No light shroud yet. Being a triangular section tube, it'll probably need hoops. Someone from the audience asked about a shroud, and Dave said there isn't one yet.
Podunk Michigan? Yeah, that's me.
Seriously - I should be seeing him in a month. There's a group of folks that get together in the UP every now and again. Not a whole lotta dark in June up there, but still a whole lotta fun.
I hope he brings it, I'd dearly love to see it.
Sounds like you guys are having a great time. Surely do wish I was there. Thanks muchly for keepin us wage slaves updated!
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You do not need a parachute to skydive, you only need a parachute to skydive twice...
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~Steph~
Texas Wildflower
Reged: 06/11/05
Posts: 26279
Loc: North Texas
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Besides Dave Kriege unveiling the new Obsession, there were a few other speakers this afternoon. Leading off, we had Al Nagler. He spent a few minutes talking about TeleVue in general and some of the imaging scopes and accessories.
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Steph
Taking it one day at a time...
I'm in the fight! - Support Liver Disease Awareness
10" RCX400 ~~ 4" TV102 ~~ WO ZS80FD ~~ PST
Serenity Observatory
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~Steph~
Texas Wildflower
Reged: 06/11/05
Posts: 26279
Loc: North Texas
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Then he put up a slide about some new eyepiece y'all may have already heard of... 
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Steph
Taking it one day at a time...
I'm in the fight! - Support Liver Disease Awareness
10" RCX400 ~~ 4" TV102 ~~ WO ZS80FD ~~ PST
Serenity Observatory
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~Steph~
Texas Wildflower
Reged: 06/11/05
Posts: 26279
Loc: North Texas
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For some reason, he didn't pass it among the crowd to look at closely, dunno why.  Here it is lying on the stage, though, best I could get.
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Steph
Taking it one day at a time...
I'm in the fight! - Support Liver Disease Awareness
10" RCX400 ~~ 4" TV102 ~~ WO ZS80FD ~~ PST
Serenity Observatory
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Don W
demi-god
Reged: 05/19/03
Posts: 19226
Loc: Wisconsin, USA
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Dave K is about 6' tall, maybe a bit more. My guess is that it's an 18" f/4.5 which is the stock size for his 18" dobs.
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DON'T PANIC!-Hitchhiker's Guide to the Galaxy
Don Wyman
Obsession 18" f/4.5 #1166
W/Argo Navis DSC and Torus Primary
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~Steph~
Texas Wildflower
Reged: 06/11/05
Posts: 26279
Loc: North Texas
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And here's Gary Parkerson from Astronomy Technology Today...
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Steph
Taking it one day at a time...
I'm in the fight! - Support Liver Disease Awareness
10" RCX400 ~~ 4" TV102 ~~ WO ZS80FD ~~ PST
Serenity Observatory
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Alvin Huey
Carpal Tunnel
Reged: 10/18/05
Posts: 2655
Loc: NorCal
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I remember that Dave said that it is a f/4.2 system.
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Clear Skies,
Alvin #26
22" f/4.0 reflector and other assorted smaller and larger telescopes, but listing the one I use the most.
FaintFuzzies | TAC | TAC-Sac
Edited by Alvin Huey (05/15/07 08:07 PM)
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~Steph~
Texas Wildflower
Reged: 06/11/05
Posts: 26279
Loc: North Texas
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Yep, 4.2.
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Steph
Taking it one day at a time...
I'm in the fight! - Support Liver Disease Awareness
10" RCX400 ~~ 4" TV102 ~~ WO ZS80FD ~~ PST
Serenity Observatory
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