One "rule of thumb" is 30 minutes per inch of aperture. Less time may be acceptable, depending on the temperature differential and the condition of the...
Mike Weasner
mweasner@...
Jun 2, 2008 10:22 pm
11009
Hi there, I got hold of an older style JMI motofocus unit to put on my ETX 125 but have run into a problem with the installation. I'm hoping somebody out there...
Machine screws' diameters are not measured in fractions. English or American type are in a [size(dash)thread] format. 4-40, 6-32, 8-32, 10-32 etc. The first...
Nice. I see a lot of trees though in the background, and that is my problem at home (lots of tall trees). I sold a nexstar 8 due to the weight, and bought my...
I have been trying to use my ETX90PE for piggyback photography but keep on getting vertical lines where stars should be. This occurs with exposures exceeding...
I would recommend updating to the current version (4.3Eg) but I doubt that will solve this problem. However, what "might" solve it (if you haven't already...
Mike Weasner
mweasner@...
Jun 10, 2008 12:09 pm
11016
... Are you (as i suspect) Alt/Az mounted, or Polar mounted (on a wedge)? If Alt/Az, you are seeing a consequence of the dynamics of the two motor drive system...
Hello, I just took over my Dad's 2 yr old ETX-125PE and am dismayed to hear of the Scopetronix demise! I was going to get a Flexifocus for the 125 (I have one...
You can easily make a flexible focusing cable. There are some tips on the Helpful Information: Telescope Tech Tips page on my ETX Site. ... Mike Weasner ...
Mike Weasner
mweasner@...
Jun 10, 2008 3:50 pm
11019
The ones I like the best are made with speedometer cable. Unfortunately, most speedos these days are electronic. Larger metros usualy have a shop that does...
Yes, these are 6-32. I have a few in 3/4 and 1" lengths I can send you if you can't find them locally. Oddly, we kicked the Brits out over 2 centuries ago with...
Thanks guys for that useful info. It turned out that indeed this screw size is not available locally, or even nationally (I'm in metric New Zealand). So I...
I recently purchased a Meade ETX125 scope on a close-out sale. Unfortunately, the bracket that holds the included 8x25mm viewfinder was not in the box. I have...
Thanks to Autostaretx and Mike Weasner for replying. As you suspected the I was using AltAz mode and I am sorry for not including that fact, I had intended to...
Yeah, it's a crazy world. I get the batteries for my film cameras and reticle illuminators on eBay from a gal in the Phillipines. She gets me 20 fresh...
Hi Folks, Got another ETX problem I need help with. It is more of a nuisance but, I figure I better do something about it before it becomes serious. ETX-125...
Oops! Info that may be helpful to those responding, software is 43E. Thanks again! Chip ... serious. ... for ... remember ... gears ... experiences ... second ...
Have you done a CALIBRATE MOTOR and TRAIN DRIVES recently? ... Mike Weasner Email: mweasner@... iChatAV / AIM: mweasner@......
Mike Weasner
mweasner@...
Jun 11, 2008 6:34 pm
11030
Thanks Mike, No, I haven't done either lately! We are heading out to our Dark Sky Site tonight and I will be going early and do both! Thanks again! Chip ... ...
I have owned an etx 90pe for about a month. I havent been able to get goto to work yet but I properly trained the drives and will try it again next weekend. ...
See the FAQ page on my ETX Site for solution. ... Mike Weasner Email: mweasner@... iChatAV / AIM: mweasner@......
Mike Weasner
mweasner@...
Jun 13, 2008 4:17 pm
11033
The Astronomy shop where I post my telescope had a small class on how to care and use your new telescope. I went and took mine. We went outside and it was...
With a good eyepiece you can definitely exceed the theoretical maximum magnification on bright objects like the Moon. I have used a good 4.7mm eyepiece on the...