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Messages 56263 - 56292 of 134473   Oldest  |  < Older  |  Newer >  |  Newest
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56263
Just out of curiosity - who do you work for? Or is that classified? LOL ... From: "hwnewton" <hal.newton@...> To: <telescopes@yahoogroups.com> Sent:...
Norman Higgs
nfhiggs
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May 1, 2002
7:58 am
56264
TT Policy Statement (Revised April 18, 2002) As a reminder of this group's desire to encourage all of its members to participate in a friendly and informed...
telescopes@yahoogroup...
Send Email
May 1, 2002
10:33 am
56265
They both are probably very similar in performance, and nevertheless I would recommend Tele Vue, because of their famous customer support, quality control and...
Drazen Kupec
dkupec2001
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May 1, 2002
11:02 am
56266
Well, it may seem a little difference at first when going from good average eyepieces to high quality ones. But with some experience you'll definetly find that...
Drazen Kupec
dkupec2001
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May 1, 2002
11:02 am
56267
Well, I don't have so much experience like many of members in this group, but I have and still use all three types of scopes. Because of my lifestyle and...
Drazen Kupec
dkupec2001
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May 1, 2002
11:02 am
56268
Hi, Does anyone use the ScopeCoat by Astro Systems to provide temporary protection of their scopes when left setup outdoors? I need something to cover my...
mj1_systems
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May 1, 2002
12:06 pm
56269
I'll start by saying that I have no first-hand experience, but from what I have *heard*, the ScopeCoat units are fine. I don't imagine they'd be as good as...
philip_harrington
philip_harri...
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May 1, 2002
12:50 pm
56270
... The model you have is Japanese made, by Vixen I think, and is very different quality than the new Chinese made 80mm, F5 models which top off at around 100X...
Joseph O'Neil
joneil1000
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May 1, 2002
12:58 pm
56271
Thanks, Phil. It was the protection from the heat that I mostly wondered about with the ScopeCoat. I imagine the white ScopeCoat should reflect more light &...
m42tech
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May 1, 2002
1:19 pm
56272
... my ... the ... This ... The model you have is Japanese made, by Vixen I think, and is very ... top off ... years ... time, I ... (even ... a finder. ... ...
erikdlin
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May 1, 2002
2:40 pm
56273
I use the Astrosystems scope coat for my refractor and it works fine. It doesn't heat up at all. I mostly use it at Star Parties and long strings of clear...
Jason Blaschka
theastropage
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May 1, 2002
2:44 pm
56274
From what Jason just added, I would say "yes." I've never seen a white tarp, but someone may make one. Phil ... Phil Harrington http://www.philharrington.net...
philip_harrington
philip_harri...
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May 1, 2002
3:02 pm
56275
I don't know about Scopecoat. But, if you want to increase thermal reflection cheaply, go to Walmarts or other place and buy several "emergency blankets"....
rbarbourbis
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May 1, 2002
3:10 pm
56276
Please pardon my self-indulgence for a moment, if you would. I've spent the last several weeks looking over and updating my web site ...
philip_harrington
philip_harri...
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May 1, 2002
3:11 pm
56277
Jeff I was not being confrontational either I am to old for that.. I was explaining that I have very good luck with there Optic`s but had a lot of other...
Buck Harley
buck_harley
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May 1, 2002
4:10 pm
56278
No more than 120X for Marx and about 100-120X for Jupiter and Saturn. For Sun views with Thousand Oaks t2 filter no more than 60X....
ggottait
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May 1, 2002
4:11 pm
56279
Phil, a HUGE thanks for the review in Astronomy mag. I just got my copy yesterday, and so I read the review ASAP. It made me reconsider my decision NOT to buy...
Steve Bradley
stevencbradley
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May 1, 2002
4:27 pm
56280
... That's one of the plusses of books like Star Ware, NightWatch, and the Backyard Astronomer's Guide: lots of pictures of people and telescopes together. I ...
Geoff Gaherty
gahertyg
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May 1, 2002
4:42 pm
56281
Somewhere I read that all barlow's are variable power. To adjust the power you simply slide the barlow into or out of the focuser... Any truth to this? If so,...
hwnewton
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May 1, 2002
5:08 pm
56282
... Steve, Thanks, glad you liked the review. Unfortunately, I only write the words, I don't take the photos, so have no control over that. Still, your point...
philip_harrington
philip_harri...
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May 1, 2002
5:15 pm
56283
... Yes. see the Barlow tutorial on my web site. -- Best, Stephen <http://www.astunit.com>...
Stephen Tonkin
sftonkin
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May 1, 2002
5:38 pm
56284
... Yes. How variable depends on many factors, such as the eyepiece design and how much freedom you have to position the Barlow in the optical path. For...
Geoff Gaherty
gahertyg
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May 1, 2002
5:38 pm
56285
Hi, The greater the distance between the eyepiece and the barlow, the greater the resultant magnification. Place an extension to your barlow and then then the...
Al Misiuk
sloanpk2000
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May 1, 2002
6:12 pm
56286
Hal, That's also why a 2x Barlow will produce a magnifying factor of about 3x when it is inserted between the focuser and star diagonal in a refractor and...
philip_harrington
philip_harri...
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May 1, 2002
6:25 pm
56287
The magnification of a Barlow is given by the approximate formula: M = 1 + (L'/f) where L' is the distance from the Barlow to the eyepiece's entrance pupil and...
art_schneiderman
art_schneide...
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May 1, 2002
7:24 pm
56288
I'm looking at the Meade SWA 24.5 and the question just occurred to me: why don't manufacturers design the low-power eyepiece in their line to provide the...
chris_in_mass
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May 1, 2002
7:37 pm
56289
I have posted 2 images of My 16X18' roll of roof Observatory with the pier in the up pos. in the folder Buck`s Pier... I have a warm Computer room and ...
Buck Harley
buck_harley
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May 1, 2002
8:38 pm
56290
Hi Phil, I remember corresponding with you about the ScopeCoat a couple of years back when I saw one pictured in your article for Astronomy's "Explore the...
Al Hall
alhall
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May 1, 2002
10:59 pm
56291
Looks great Phil - can't wait for the book and the movie <g>. Clear skies, Kevin Dixon ksbtk@... From: "philip_harrington" <phil@...>...
ksbtk@...
starmaster08083
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May 1, 2002
11:21 pm
56292
... ...snip... Point taken. Wouldn't you have to know how big the "someone" is to determine a relative size? Maybe something more measurable would be in order....
starsplitter_ne
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May 2, 2002
12:28 am
Messages 56263 - 56292 of 134473   Oldest  |  < Older  |  Newer >  |  Newest
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