Still getting familiar with my 900GTO, I have a couple of questions. I spent last night doing some tracking measurements with CCDSoft v5. What tracking...
2626
chris1011@...
Jun 5, 2001 3:58 pm
In a message dated 6/5/2001 8:10:03 AM Pacific Daylight Time, ... peaks of .4 pixels correspoonding to around 10 arc-sec; >> 10 arc seconds for a .4 pixel...
2627
Jeffrey D. Gortatowsky
jgortatows@...
Jun 5, 2001 4:03 pm
IIRC Roland posted a message about some of this last week when answering an email or mail from a upset GTO owner. See message 2574. Found it by going to the...
2628
mrrockets@...
Jun 5, 2001 4:21 pm
... Ooops my editing pen needs some work. Sorry. Obviously a C14 IS a long focal length so I must have been mistaken about the C14 editorial comment. My...
2629
John Smith
jcsmith@...
Jun 5, 2001 4:52 pm
Sorry, Roland. Typo in the first statement - missing decimal point. Meant to say 1.0 arc-sec peak-to-peak. My scale factor is 2.65 arc- sec/pixel. I set the...
2630
John Smith
jcsmith@...
Jun 5, 2001 5:03 pm
Thanks, Jeff. I had seen Roland's messsge that you referenced. While I am still learning, I have taken a number of CCD images this year with a tweaked G-11...
2631
w11806@...
Jun 5, 2001 5:31 pm
Jeff I looked at you data. Based on tests I have done what you are recording are errors due to seeing. Tom...
2632
chris1011@...
Jun 5, 2001 6:21 pm
In a message dated 6/5/2001 11:02:54 AM Pacific Daylight Time, ... I don't understand your assumptions. Yes, there is a worm gear in contact with a worm wheel,...
2633
John Smith
jcsmith@...
Jun 5, 2001 7:02 pm
Thanks, Tom. That does make sense (he said, slapping himself on the forehead). I'm sorry I didn't realize that! John ... to...
2634
John Smith
jcsmith@...
Jun 5, 2001 7:03 pm
Tom's reply previously identified it as seeing variations, which makes all the sense in the world! Sorry for the fire drill! John ... contact ... do so? ... ...
2635
carlb@...
Jun 5, 2001 8:49 pm
My 1200 mount is now getting very hard to turn by hand in RA. I first noticed it when I tried to rebalance the OTA. In it's current state it is impossible to...
2636
carlb@...
Jun 5, 2001 8:50 pm
My 1200 mount is now getting very hard to turn by hand in RA. I first noticed it when I tried to rebalance the OTA. In it's current state it is impossible to...
2637
Carl Burton, Jr.
carlb@...
Jun 5, 2001 8:52 pm
My 1200 mount is now getting very hard to turn by hand in RA. I first noticed it when I tried to rebalance the OTA. In it's current state it is impossible...
2638
chris1011@...
Jun 5, 2001 9:18 pm
In a message dated 6/5/2001 1:55:16 PM Pacific Daylight Time, carlb@... ... It sounds like the plastic clutch plugs are splayed at the ends. Call our ...
2639
Dave Jurasevich
howldog@...
Jun 5, 2001 9:51 pm
I've got this same situation on the DEC side. When balancing my scope the RA axis is extremely smooth running and responds to minute changes in the position...
2640
chris1011@...
Jun 5, 2001 11:01 pm
In a message dated 6/5/2001 2:53:27 PM Pacific Daylight Time, ... The amount of clutching has nothing to do with the load on the motor. Even if the axes were...
2641
Dave Jurasevich
howldog@...
Jun 6, 2001 1:19 am
OK, let me start all over again using the proper nomenclature. I am referring to the DEC damper knobs, not the clutch knobs. I am aware that the clutch knobs...
2642
Lawrence D. Lopez
lopez@...
Jun 6, 2001 1:41 am
Wow Carl 3 people with your name are having the same problem. Or do you have 3 mounts ?...
2643
Louis A. Mamakos
louie@...
Jun 6, 2001 1:42 am
... I'm expecting delivery of a 900GTO soon, also to replace a G-11 mount for some CCD astrophotography; can't wait! I'm wondering if you're doing anything...
2644
Chuck Hancock
cdh59@...
Jun 6, 2001 3:12 am
Louie- I would suggest some sort of dome. Or a shed with a roll-off roof. ;) ... -- Best regards, Chuck Hancock DMD McDonough GA USA...
2645
Carl Burton, Jr.
carlb@...
Jun 6, 2001 10:25 am
Nope-just too much coffee... Carl...
2646
John Smith
jcsmith@...
Jun 6, 2001 1:49 pm
You'll be amazed when you compare it to your G-11 <g> I use a product called ScopeCoat from http://www.ezlink.com/~astrosys/covers.htm I purchased their large...
2647
chris1011@...
Jun 6, 2001 2:10 pm
In a message dated 6/5/2001 6:22:31 PM Pacific Daylight Time, ... The damper knobs simply provide damping to prevent axis motion in windy conditions. They have...
2648
Colt Bednorz
colt@...
Jun 6, 2001 4:09 pm
Louie, I've got a new 1200 on a portable pier that I had manufactured. During good weather, I leave the mount set up and cover it with a couple of big draw...
2649
John Smith
jcsmith@...
Jun 6, 2001 9:00 pm
I am looking for recommendations for a permanent pier that is compatible with the 900GTO. If anyone has any recommended sources, I'd appreciate any links. ...
2650
Gilles Grosgurin
gilles@...
Jun 6, 2001 9:18 pm
You may want to check Greg Mueller's page... I like his idea.... http://www.muellersatomics.com/ST4-1200.htm Gilles...
2651
Steve Reilly
sreilly@...
Jun 6, 2001 9:18 pm
John, Try http://www.astropier.com/ I've got one at it's great. I have my AP900GTO on it with a C-11 and solid as a rock. Steve...
2652
Joe Marietta
jmarietta@...
Jun 7, 2001 4:01 am
Hi John, I have an astropier as well and it is super! I have an AP 1200 GTO and 12.5" RC scope on mine! Joe ... From: "John Smith" <jcsmith@...> ...
2653
Lawrence D. Lopez
lopez@...
Jun 7, 2001 4:26 am
Tell me more ? How does it interface to the mount. How much did it cost. Thanks, larry....