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tac-sac · Astronomical observers in Sacramento

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Group Information

  • Members: 215
  • Category: Amateur
  • Founded: May 31, 2000
  • Language: English
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Messages 463 - 492 of 14335   Newest  |  < Newer  |  Older >  |  Oldest
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492 Mark E. Hansen
meh@... Send Email
Apr 4, 2001
9:19 pm
... Too late ... (don't ask what I had to do ...;-) I should have it by Friday, hopfully. ... focuser on ... very ... I think the next time we all go up I'm...
491 Jim Ster
sterjf@... Send Email
Apr 4, 2001
9:07 pm
Hey Mark, If you'd like to try out a 4.8 mm. Nagler before you buy one, let me know. I also have a 7 mm you can try if your interested. FYI, tac-sac'er Art...
490 Mark E. Hansen
meh@... Send Email
Apr 4, 2001
8:24 pm
... have ... dob. ... Well then, I think I'll try the Tele Vue 4.8mm Nagler and see how this does. Together with my barlow that will give me 475x. Now ... I...
489 Randy Muller
rmuller@... Send Email
Apr 4, 2001
7:09 pm
... 50x per inch is the standard for an excellent mirror. The fact that you had no trouble at 250x is a good sign that you have a good mirror and that you have...
488 Randy Muller
rmuller@... Send Email
Apr 4, 2001
6:28 pm
... Yeah, there is that factor. 5" of unobstructed aperture is not to be discounted. Let's also not forget the 12.5" (Jane), 16" (Gary), 22" (Shneor) and 22"...
487 Mark E. Hansen
meh@... Send Email
Apr 4, 2001
6:25 pm
When using my 10" Reflector last night to look at the Moon, I went up to 250x and still had crisp, clear views. This makes me think I can go higher, but how...
486 Mark E. Hansen
meh@... Send Email
Apr 4, 2001
6:18 pm
... Mark, ... close. Well, I don't know about that. Things looked pretty good last night. I just can't get over the views I'm getting of the Moon with my 10"...
485 Jane Smith
jesmith@... Send Email
Apr 4, 2001
5:56 pm
... LOL you guys! This is most definitely "refractor disturbance". Hey Mark, has it arrived yet? From the looks of the skies, it's getting VERY close. Jane...
484 Mark E. Hansen
meh@... Send Email
Apr 4, 2001
4:08 pm
Well, I'm more than a little fed up with the focuser assembly on my Meade 10" Reflector. I would sure appreciate some input regarding how to replace it. First,...
483 Mark E. Hansen
meh@... Send Email
Apr 4, 2001
4:01 pm
As a collimation "beginner"; I can say the hard part about learning how to to it is in understanding what things should "look" like at each step. The...
482 Larry Snyder
ldsnyder@... Send Email
Apr 4, 2001
3:43 pm
... I'm going to weigh in with Shneor here. Getting one's brain around all the factors influencing proper collimation takes some time and patience. Once you...
481 Shneor Sherman
shneor@... Send Email
Apr 4, 2001
2:22 pm
Collimation is made easier by the use of tools. But you can also collimate OK using home-made equipment, and many people do. It does take a little time, I...
480 Radelect
radelect@... Send Email
Apr 4, 2001
5:48 am
... I think it's easy, maybe I'm doing it wrong. ... I conclude that this opinion is not the result of good science. If the above statement were true then we...
479 Alvin Huey
generalragesc@... Send Email
Apr 4, 2001
1:31 am
Art, http://www.ezlink.com/~astrosys/index.htm Alvin ... From: art50@... [mailto:art50@...] Sent: Monday, April 02, 2001 11:07 PM To:...
478 Randy Muller
rmuller@... Send Email
Apr 3, 2001
11:44 pm
... I agree that nobody should fear collimation, but I think it is hard. If it were not hard, then every scope would be collimated, and it wouldn't require...
477 Radelect
radelect@... Send Email
Apr 3, 2001
3:13 pm
... Have no fear of collimation, it's really not hard at all. The main thing is to understand the prinicipals first then learn how to apply them. I think it's...
476 Mark E. Hansen
meh@... Send Email
Apr 3, 2001
2:58 pm
... Well, I'm a team player. ... Yes, it's Jane's fault. I doubt the immanent arrival of my puny 5" APO would have anything to do with it ;-)...
475 Randy Muller
rmuller@... Send Email
Apr 3, 2001
6:52 am
... Hey, that will slow you down every time if they *do* move!...
474 Randy Muller
rmuller@... Send Email
Apr 3, 2001
6:49 am
I just watched the moon run over part of the Beehive Cluster (M44). Observing between 10:47pm and 11:20pm PDT (April 3, 5:47-6:20 UT) from my backyard in...
473 art50@... Send Email Apr 3, 2001
6:07 am
Thanks Alvin, Would you happen to have their URL? I tried www.Astrosystems.com and got Industrial electronic conreollers, no spiders at this site. Thanks...
472 Alvin Huey
generalragesc@... Send Email
Apr 3, 2001
5:05 am
I personally like the Astrosystems spider and have used several. Some think that the 4 point collimination is great, like myself and other don't. That way...
471 Randy Muller
rmuller@... Send Email
Apr 3, 2001
3:29 am
... My scope is outside and ready to go. It is now my fervent hope that your absolutely selfless sacrifice will yield clear skies! Actually, I think this bad...
470 Mark E. Hansen
meh@... Send Email
Apr 3, 2001
3:03 am
Randy told me my problem seeing on Saturday may have been (probably was) due to equilibrium in my telescope optics. I had set the 'scope up out side and was...
469 Mark E. Hansen
meh@... Send Email
Apr 3, 2001
2:57 am
... 11pm ... Well, I just packed mine up and went in. The clouds just get thicker and darker ;-(...
468 Randy Muller
rmuller@... Send Email
Apr 3, 2001
2:51 am
The moon will begin occulting M44 (The Beehive Cluster) at about 11pm PDT tonight. This should be fun to watch. I hope it stays partially clear. See...
467 Mark E. Hansen
meh@... Send Email
Apr 2, 2001
8:37 pm
I responded to this earlier today, but never saw it on the groups list, so I'm trying it again. Sorry if this turns out to be a duplicate. ... I see more than...
466 Mark E. Hansen
meh@... Send Email
Apr 2, 2001
8:21 pm
... question. ... I ... mirrors, ... spider's ... the ... As a matter of fact, I just replaced my Meade spider. To me, it looked like each vane of the spider...
465 Art Freeman
art50@... Send Email
Apr 2, 2001
6:46 pm
Hi All, While the topic is on Collimating, I have an additional question. It has become very apparent that the Meade, secondary mirror "spider" is junk like...
464 Randy Muller
rmuller@... Send Email
Apr 2, 2001
5:15 pm
... Radial symmetry is a good sign when collimating. What you do not want are ovals or single spikes. If you saw 4 well-defined spikes, this is an ideal...
463 Mark E. Hansen
meh@... Send Email
Apr 2, 2001
3:50 pm
Well, I spent a great deal of time with the collimation of my Meade 10" Starfinder this weekend using the newly received Tectron collimation tools and booklet....
Messages 463 - 492 of 14335   Newest  |  < Newer  |  Older >  |  Oldest
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