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Messages 13417 - 13446 of 13892   Oldest  |  < Older  |  Newer >  |  Newest
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13417
There are only about six more weeks until the Golden State Star Party gets underway on Frosty Acres Ranch in Adin, CA, June 20-24. Now’s the time to register...
Bill Porte
williamporte
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May 4, 2009
10:29 pm
13418
Hi all Just got a lightbridge 16" first light will be friday night Fred and Angela up in Pollock Pines...
mtbrider586m
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May 5, 2009
6:27 am
13419
Fred and Angela: Good show, ESPECIALLY up there! Tell me---are there any areas that are designated for people to setup their telescopes up in Pollock Pines? I...
Phillip S. Roberts
psroberts7
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May 5, 2009
6:38 am
13420
... IHOP 2, although it might be 60 miles. Take Hwy 50 eastbound a little over 20 miles past Placerville. Just before Hwy 50 begins the windy two lane section...
Randy Muller
randygmuller
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May 5, 2009
6:46 am
13421
Thanks, Randy. I think that the next weekend that we have clear skies, i'll go up there to take a look! Phil ... [Non-text portions of this message have been...
Phillip S. Roberts
psroberts7
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May 5, 2009
7:59 am
13422
well all tac sacers are welcome to my backyard but limited view of skys but the lake next to my house has a couple of camp sites i beleive 29 and 30 that show...
Frederic and Angela L...
mtbrider586m
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May 5, 2009
1:12 pm
13423
Yes Ihop would be a place for you to go. My spots are pretty well hidden. no lookyloos.they are off forest fireroads Fred ... From: Randy Muller...
Frederic and Angela L...
mtbrider586m
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May 5, 2009
1:15 pm
13424
... WOW... a new telescope!!! That must be why we're getting all this rain!!! ;) We'll have to compare views this summer. I'm just finishing my new 16" ...
Jane Smith
ellen95616
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May 5, 2009
2:48 pm
13425
next winter im having the mirror refiged to make it real nice. looking for 20 wave or better then servo cat has a kit for them now for 1245 Fred ... From: Jane...
Frederic and Angela L...
mtbrider586m
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May 5, 2009
3:02 pm
13426
... Are you going to have the mirror tested first? There was a pretty interesting visual test done several years back, between Peter Ceravolo and Terrance...
Mark Wagner
lumpydarkness
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May 5, 2009
3:08 pm
13427
Hi Fred,   When you get your mirror refigured...don't forget the secondary mirror.  Also change the spider to a beefier one, such as the AstroSystems or...
Alvin Huey
alvin.huey...
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May 5, 2009
3:10 pm
13428
Mark is right...and I'm sure that Cary will test it before he does anything with it.   ... From: Mark Wagner <mark.wagner@...> Subject: Re:...
Alvin Huey
alvin.huey...
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May 5, 2009
3:11 pm
13429
... Doesn't it seem the 4 vane spider would cause more obstruction than a 3-vane spider. I wonder if anyone has done any testing to compare throughput on ...
Jane Smith
ellen95616
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May 5, 2009
3:29 pm
13430
... The only real diff is in the pattern (number of) and brightness of diffraction spikes....
Mark Wagner
lumpydarkness
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May 5, 2009
3:33 pm
13431
I was refering to the four-point collimation versus the three points. If one use the Cateye and/or laser, it is far easier. I can collimate pretty fast....
Alvin Huey
generalragesc
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May 5, 2009
3:41 pm
13432
There are lots of opinions on that (from myself included). A three vane spider will create six spikes on each star, a 4 vane spider will create 4 spikes and a...
Richard Ozer
richozer
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May 5, 2009
4:03 pm
13433
... Nice explanation, Richard. Clearly aesthetics plays a large role. Well, one nice thing about making my own scope... if I don't like it one way, I can...
Jane Smith
ellen95616
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May 5, 2009
4:14 pm
13434
... But, the only opinion I think that really matters, is mine, of course ;-) Its like the statement a few years ago, that the best star party was the one I...
Mark Wagner
lumpydarkness
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May 5, 2009
4:17 pm
13435
Jane, How many vanes are you using in your 16" ultralight? ... From: Jane Smith <jes4565@...> Sent: Tuesday, May 05, 2009 11:07 AM To:...
Alvin Huey
generalragesc
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May 5, 2009
4:27 pm
13436
On Tue, May 5, 2009 at 9:17 AM, Mark Wagner ... Piano wire, like Alvin said, probably causes the least diffraction of all. Now I'm gonna shut up before Randy...
Jane Smith
ellen95616
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May 5, 2009
4:27 pm
13437
It is on topic...can't view the sky without a scope... lol And it is FULL moon weekend. ;) ... From: Jane Smith <jes4565@...> Sent: Tuesday, May 05,...
Alvin Huey
generalragesc
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May 5, 2009
4:32 pm
13438
I was talking o cary at optical wave labs and the meades are over corrected. I will have it tested of course because when you go to refig a mirror you need to...
Frederic and Angela L...
mtbrider586m
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May 5, 2009
4:35 pm
13439
... Of course we can! Low power views!...
Mark Wagner
lumpydarkness
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May 5, 2009
4:36 pm
13440
I was thing about that too. would like to get as much reflectivity out of the secondary as possible. The primary will run me 530 to be redone not bad for $1800...
Frederic and Angela L...
mtbrider586m
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May 5, 2009
4:37 pm
13441
... Anything related to visual observing is perfectly good to discuss, as you yourself well know, Jane. It's an interesting topic. I think if you can...
Randy Muller
randygmuller
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May 5, 2009
4:40 pm
13442
Fred, Reflectivity doesn't mane anything if the secondary is bad. Check the figure on the secondary. Some are bad. My first secondary for my 22" was...
Alvin Huey
generalragesc
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May 5, 2009
4:56 pm
13443
i will have to measure it. Fred ... From: Alvin Huey <alvin@...> Subject: Re: [tac-sac] new scope To: tac-sac@yahoogroups.com Date: Tuesday, May...
Frederic and Angela L...
mtbrider586m
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May 5, 2009
4:59 pm
13444
... My 16" will have a 3-vane Protostar. [Non-text portions of this message have been removed]...
Jane Smith
ellen95616
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May 5, 2009
6:16 pm
13445
Was wondering how they compare to the pentax and others? Fred...
mtbrider586m
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May 6, 2009
5:30 am
13446
 Just picked up a Baader Hyperion click stop zoom lens (8-12-16-20-24mm) after reading favorable reviews but haven't had a chance to use it yet. Want to use...
Dennis Beckley
dbeckley94510
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May 6, 2009
5:41 am
Messages 13417 - 13446 of 13892   Oldest  |  < Older  |  Newer >  |  Newest
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