The government announced today that the purposeful degradation of the GPS (Global Positioning System) signals available to civilian users will end tonight. With selective availability (SA) disabled,

Wow, Many to many "not"s in my last message <g>. Since you stated that you can move the 9 lb. counterweight an inch or so before noticing a difference, it implies that moving it 3 or 4 inches will

Hi Paul, The Traveler is light weight and there is a certain amount of inherent stiffness in the 600E... more so than was in my AP400 mount. But I am not certain if you are not experiencing a

Quick question. I have tried to be very careful in balancing my one month old 600 prior to each use, but I might be doing something wrong. The challenge I'm having is that the instrument I'm using

Hi Brian; I have had the 600 GTO for close to two years now getting mine in Oct 19998. The sound on occasion does change and at times it depends on the balancing of the weights or the EP you are

Hello, First, let me apologize to members of this group who are south of the equator... When doing the 'N Polar Calibrate' is there a list of good stars to use for this exercise anywhere? The AP

Hello, I am a new owner of a 600EGTO mount and have had a couple of opportunities to use it. One thing that is obvious is that I am going to need an illuminated reticle for the callibration

Chris, All of the 2712 Abell galaxies are included so you can request any number from 1 to 2712. The Abell planetaries are a separate list and are not included in the keypad. We'll be changing the

For those using TheSky, by Software Bisque to control your telescope, you can literally map out your own unique horizon lines and keep the scope within those set boundaries... very easy to do,

Dear Mr. Bodart, Welcome to the list. At the present time, the safe zone setting is a simple circle around the zenith that the user can set on the hand controller. Perhaps more complex safe zone

Hello, Contact A/P concerning this issue of using a ST-7 as an autoguider, and/or controller of the telescope...call then, I have used my st-4 with no extra equipment. please contact them at

John: You might need an SBIG relay box. I needed one several years ago with an ST-7 I was using with a VE Digitrack drive corrector. Without it, it drove the mount continuously in right

Hi John, I use an ST-8E which is basically the same camera (but with a different CCD chip) with my 1200 GTO with no problems. The TIC cable by the way is a simple straight through 6-wire cable you

Has anyone ever experienced problems connecting the SBIG ST-7 to the AP 1200 GTO? When I connect the St-7 TIC-cable to the mount it starts to move westward. I checked cable connections/pinouts but I

Can't find any in Victoria either. Got my handles though and they work great. Wouldn't mind some washers though. Chris. Spratt Ron Wodaski wrote:

I found some web pages when searching on "Mylar washers" - http://www.ceejayplastics.com/ http://www.thomasregional.com/ncal/pacificdiecut/ http://www.pennfibre.com/ Ron W

I may have just gotten lucky, then. <g> I bought them at a hardware store about a half-hour drive from my home, called McClendon's. They are a chain, but I don't know how far they range. I'm near

Hello Ron, Where did you find those Mylar washers? What company makes them? I've tried several hardware stores and home centers but have had no luck in finding Mylar washers. I get a funny look when

Have a look at my new web page for some images from various CCDs. visonneau-vin wrote:

Hi Vincent from France, Nice images! Thanks for sharing them. -Ray from USA :-) p.s. You can check out some of my images with my AP1200 GTO and 5" refractor (still waiting patiently for my 155EDFS!