... 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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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...
... 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@...
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@...
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@...
Apr 3, 2001 6:52 am
... Hey, that will slow you down every time if they *do* move!...
474
Randy Muller
rmuller@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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@...
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....