Attilla, ... I'm not convinced that the over-full photos section is the reason that some people cannot get into the photos section. If so, then a lot of ...
9622
Phillips, Daniel
daniel11992001
Apr 1, 2004 4:44 pm
Michael, Thanks so much, great SIMPLE article! ... From: Michael Gilbreath [mailto:MichaelGilbreath@...] Sent: Tuesday, March 30, 2004 1:20 AM To:...
9623
Ed
ngc2158
Apr 1, 2004 4:52 pm
... glad ... Glatter ... Hi Steve, I use the TLC laser with halographic grid and used it as Nils pointed out until I got a Cheshire. I still use to collimate...
9624
williebluestar
Apr 1, 2004 5:37 pm
Just thought I'd pass this along to all western U.S. members. WB* I'm posting this because the image is just too good to pass up. I think we have the best...
9625
Nils Olof Carlin
nilsolofcarlin
Apr 1, 2004 10:12 pm
I have written a page on collimating with the holographic laser at: <http://w1.411.telia.com/~u41105032/holographic/holographic.htm> It is a preliminary...
9626
Stephen Truitt
stephmac20016
Apr 1, 2004 10:51 pm
Nils: You say: "You will notice that the grid is offset to the right, and slightly upwards in the photo." I believe you mean "left" not "right" here. At least...
9627
Jean-Paul Richard
jpr1608
Apr 2, 2004 12:41 am
Nils: I use the simple direct laser to align the secondary and the barlowed laser you suggested to align the primary. It is fast and simple and am delighted...
9628
Attilla Danko
attilladanko
Apr 2, 2004 1:19 am
... that ... Perhaps. It may also have been a trasient problem at yahoo. In any case, I have deleted photos from users who are no longer members. The "over...
9629
Vic Menard
vmpte2001
Apr 2, 2004 2:01 am
Nils Olof, The directions on the site make sense and your earlier caution to use either the Barlowed laser or a Cheshire for the primary mirror should result...
9630
steve_koehler
Apr 2, 2004 3:43 am
... Attilla, I can get into the Photos section now. It's strange that the problem was only affecting a few people. I saw a number of complaints of the same...
9631
Frank & Sue
whorton5
Apr 2, 2004 3:55 am
My experience with Discovery was not great. Delivery dates inaccurate and late from the original estimate, customer communication sporadic, and worksmanship...
9632
Frank & Sue
whorton5
Apr 2, 2004 5:06 am
... the ... buy ... their ... of ... That StarWare edition is pre-U2, right? I think SA2000 coupled with NSOGs can hold me over until I move this summer to DC...
9633
Nils Olof Carlin
nilsolofcarlin
Apr 2, 2004 5:14 am
Stephen, ... Of course - now corrected! N O...
9634
gubbenimanen
Apr 2, 2004 6:16 am
Question: If the laser dot doesn't move when I rack the focuser in/out is my focuser aligned then? Roger Persson...
9635
Nils Olof Carlin
nilsolofcarlin
Apr 2, 2004 10:44 am
Vic, thanks for your discussion - I can agree with some of your points, but not all. ... spider/diagonal ... This should be reasonably well done during...
9636
nilsolofcarlin
Apr 2, 2004 11:13 am
Roger, ... I would say it means that the axis of the focuser (=eyepiece holder) is not grossly (but possibly slightly) different from the axis of focuser...
9637
Jim & Pat Fly
jafly1
Apr 2, 2004 12:44 pm
Hi Nils, You're missing the point on the call for "focuser squareness" by many including myself. "Emphasis"; of "squareness perfection" is not the intent of...
9638
Vic Menard
vmpte2001
Apr 2, 2004 2:30 pm
... Once you advocate focuser collimation--diagonal collimation becomes much more susceptible to subsequent corrections that achieve system collimation only by...
9639
Vic Menard
vmpte2001
Apr 2, 2004 2:48 pm
... Or, to rephrase--if one intends to collimate the focuser/diagonal alignment (adjusting both elements) it is often better to start from a "reasonably"...
9640
Nils Olof Carlin
nilsolofcarlin
Apr 2, 2004 3:19 pm
Jim, I suppose it is a dilemma - no matter what you do, it would always be possible to do it just a little bit better, so where to stop? I would take care and...
9641
Ed
ngc2158
Apr 2, 2004 6:06 pm
Nils and Vic and Others, The discussions you Folks are having here on collimation is of tremendous help and value to all of us. Just wanted to let you know and...
9642
Michelle Stone
plettstone
Apr 2, 2004 7:27 pm
Yea... Shingletown is the bomb. I think that it is the best site of any star party I have attended. Nice and dark, fabulous horizons, clean, they water down ...
9643
mjclose_99
Apr 2, 2004 10:04 pm
Nils Olof Thanks so much for the Barlow laser technique, makes collimation so much simpler. One thing that might help on your holographic page would be to have...
9644
John W. Quinley
johnquinley
Apr 3, 2004 8:00 am
Hello, My name is John Quinley, Currently, I am the owner of a little dob, an Orion XT 8. I have an Obsession 18" f/4.5 on order, scheduled to be delivered...
9645
Mike
mikeloveschr...
Apr 3, 2004 8:00 am
Hello all. I am so excited. My 16" Night Sky dob came in the mail today. I bought it used off of astromart. Anyway, I have been without a scope for 6 months...
9646
Matthew S.
midway199
Apr 3, 2004 1:49 pm
Hi John, Welcome aboard! I'm sure others will chime in on this somewhat debated topic, but there are basically two methods of taking care of that boundary...
9647
Matthew S.
midway199
Apr 3, 2004 1:57 pm
Hi Mike, Welcome to the group. You need to set your sights higher than an 18" for sure. You won't find much difference between the 16 and 18. Even the 20 may...
9648
kyle_baron
Apr 3, 2004 3:46 pm
Hi John, The boundry layer problem is more prevalent in the desert south-west. Where the night time temperatures drop up to 10 degrees per hour. Over the...
9649
Frank & Sue
whorton5
Apr 3, 2004 3:55 pm
John, Allow for lots more cooldown time, I sometimes have my 15" out for 2 hours before I even go to observe in the winter here in SD. You are going to love...
9650
William Byrd
web0178213
Apr 3, 2004 7:29 pm
Hi John! Brian will have another S&T article about solutions to remove the boundary layer. I've added some small PC fans to blow across the front of my 14.5"...
