You have it right in a big nutshell. Mark ... -- APML Archives at <http://www.system.missouri.edu/apml/> --- Unsubscribe at <majordomo@...>...
Frederic M. Burns
emark@...
Mar 1, 2000 8:41 am
30439
Jeff, ... Less noticable grain from the duplicating piece of film but more noticable grain from the original. This is one of these laws of physics you can't...
Chuck Vaughn
aa6g@...
Mar 1, 2000 3:03 pm
30440
Jon, I realized in trying to compose my last message that there are many interrelated topics in this discussion and it's hard to know if everyone is on the...
Chuck Vaughn
aa6g@...
Mar 1, 2000 3:50 pm
30441
... You have a good start. A 6-hour shot is pretty tough in the summer though! ... I'm not sure where you are, but two clear nights in a row (with clear...
Thor Olson
Thor.Olson@...
Mar 1, 2000 3:50 pm
30442
Chuck, Yes, there are two threads immeshed here that evolved from my original two questions. 1) Does a larger format internegative make a better big...
Kolb, Jon
jkolb@...
Mar 1, 2000 4:25 pm
30443
Hi, Anyone know where I can get a couple 1-1/4 locking ring to make parrafocal eyepiece for my ST-4? I had one with a Meade 201XT and I think it melted last...
Douglas Schmutz
schmutz@...
Mar 1, 2000 11:01 pm
30444
Check Bill Vorce with telescope warehouse; he had one when I asked a couple of years ago. Bobby Middleton ... From: Douglas Schmutz <schmutz@...> To:...
Bobby Middleton
bobm@...
Mar 1, 2000 11:19 pm
30445
... Hi Doug; Contact me off list. We make them and we usually have them, but they are backordered about a week right now. Seems the A-P / Zeiss bino viewer...
Joseph O'Neil
joneil@...
Mar 2, 2000 1:03 am
30446
I just wanted to let the list know about a new scanning service. For anyone interested the web page is: <http://www.rphotoz.com> Sorry for this of topic post. ...
Mike Rogers
gorreskime@...
Mar 2, 2000 1:34 am
30447
Doug, SBIG has (or at least used to have) an FW4 focusing ring collar. I'm not sure this is exactly like the Meade locking collar, but you could ask SBIG if...
From: Rene Goerlich <goerlich@...> ... I wish I could help you, but so far I have no experience with servos...only book knowledge. Also I don't have...
Tom & Lou Krajci
krajcit@...
Mar 2, 2000 6:04 am
30450
You CANNOT gain resolution by going to a larger interneg than the original format size, but you might gain an "apparent" increase. If you take two identical...
Frederic M. Burns
emark@...
Mar 2, 2000 8:38 am
30451
Got this link from Astro... Very interesting! http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=266920500 Bid before you loose out! Great Astrological...
Christopher Go
christone@...
Mar 2, 2000 8:46 am
30452
Hello all, The April '00 Astronomy has a nice article showcasing the constellation photos of Bill&Sally Fletcher where they use a portrait filter to accentuate...
Mike McCollum
mikemccollum@...
Mar 2, 2000 12:33 pm
30453
just to put some mor oil into the fire: I know that many pro-labs do large format internegatives when making big enlargments from 35mm slides/negatives. It...
Philipp Salzgeber
philipp.salzgeber@...
Mar 2, 2000 12:45 pm
30454
spent several hours last night trying to drift polar align my scope. I am using Chucks instructions at http://www.aa6g.org/Astronomy/articles.html Using 12mm...
Simon Mander
compulsion@...
Mar 2, 2000 1:28 pm
30455
Simon, This may be a bit simplistic, but...it actually sounds like your drive motor was not on, or not tracking (clutches loose?). Your mount needs to be ...
Paul LeFevre
paull@...
Mar 2, 2000 1:41 pm
30456
mmm, Good point Paul. I have had this feeling that it was poorly tracking. I will check that though. The system I have is with stepper motors, the RA is...
Simon Mander
compulsion@...
Mar 2, 2000 2:07 pm
30457
Simon, ... Take another look at point 2 in my instructions: 2. Put a diagonal and illuminated guiding eyepiece in your scope. (Omit the diagonal for a...
Chuck Vaughn
aa6g@...
Mar 2, 2000 2:11 pm
30458
Chuck, ... I think what you mean here is that adding an amplifier to you cable TV can not make the picture any better than it was at the transmission source....
Michael Gregory
mikeg@...
Mar 2, 2000 2:21 pm
30459
-- APML Archives at <http://www.system.missouri.edu/apml/> --- Unsubscribe at <majordomo@...>...
Steven Grooten
sgrooten@...
Mar 2, 2000 2:29 pm
30460
erm. OOps it looks like it chuck ! So I do not just rotate the EP, I must rotate the diaganol as well ? ... From: Chuck Vaughn <aa6g@...> To:...
Simon Mander
compulsion@...
Mar 2, 2000 2:29 pm
30461
... What Chuck is saying here is that an amplifier cannot improve the signal to noise ratio. In film, the grain that makes the image has a feature size....
Thor Olson
Thor.Olson@...
Mar 2, 2000 2:44 pm
30462
... From: Simon Mander ... right ... the ... all. Simon, The crosshairs should be left-right in RA movement, DEC is up-down (assuming EP pointing straight up...
John Boudreau
jeboud@...
Mar 2, 2000 3:29 pm
30463
... I designed and built a DC servo motor controller system which used a Maxon motor, an HP optical encoder, a built-in gear reducer and a National ...
Aplanatic@...
Mar 2, 2000 5:52 pm
30464
Simon, ... Do whatever works for you just so you recognize which orientation is RA and which is Dec. Dec=N/S=Up/Down and RA=E/W=Left/Right works for me. For...
Chuck Vaughn
aa6g@...
Mar 2, 2000 5:59 pm
30465
Thor, This is getting a bit OT so this will be my last public post on this thread.<g> ... Actually I was going a step further and saying an amplifier will ...
Chuck Vaughn
aa6g@...
Mar 2, 2000 6:03 pm
30466
From: Aplanatic@... <Aplanatic@...> ... the ... under ... Dave, would you like to join the Scope-Drive email list? ;-) Seriously, I know that Mel...
Tom & Lou Krajci
krajcit@...
Mar 2, 2000 7:30 pm
30467
I use a low light video camera instead of an eyepiece to do polar alignment. A set of Xhairs is placed on the monitor drawn to the RA of the star. Each point...
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