Hi, Now is the time to see Venus & Saturn less than a degree apart. They will be close for the next few days, but then it's 16 years before they are this close...
Just a quick reminder about the many other features available to all members of Talking Telescopes. In addition to the message board, you are invited to look...
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We've heard from many members that the number of messages they get from this list every day is overwhelming. That's the price of success, I guess. If, when...
telescopes@yahoogroup...
Jul 1, 2007 7:56 am
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The moderators encourage all members of Talking Telescopes to discuss all aspects of amateur telescopes and related equipment in an open, friendly manner in...
telescopes@yahoogroup...
Jul 1, 2007 7:56 am
128149
One of the biggest complaints we get is the high volume of messages on this list. Our policy statement has some specific rules about posts, but we feel some...
telescopes@yahoogroup...
Jul 1, 2007 7:56 am
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TT Policy Statement (Revised September 14, 2004) As a reminder of this group's desire to encourage all of its members to participate in a friendly and informed...
telescopes@yahoogroup...
Jul 1, 2007 7:56 am
128151
Hey Tim: The weather has been strange this year, usually on the Mediterranean coast
only April and May have cloud cover then in June it gets soo hot and dry...
I purchased WO Binoviewer package from OPT recently, but when I asked about PST they told me that they are not allowed to send it outside the USA. Besides, I...
The 12mm Type 4 is my most used ocular as well in my 45cm f/4.5. At 166x it just the right combination of FOV (about 30' IIRC), magnification, and exit pupil...
Not sure how it works in Croatia (where are you?), but in the U.S., you can call you credit card company and complain. They will put through a "charge back" ...
If you all will permit me, I am happy to announce that the 25th Astronomers Conjunction will be held in Northfield, MA on July 13- 14. Northfield is about 2...
Jeff: Thanks for the info, I have a XT10 intelliscope and a StarBlast. SHAWN ... From: Jeff G Date: 01/07/2007 20:22:40 To: telescopes@yahoogroups.com ...
I live within an hour of OPT and although my contact there has moved on is his career, I have a friend or two that observes with the guys from OPT out in the...
GARY: The Jason is in like new shape. My local telescope store sells an attachment so 1.25" eyepieces can be used. When I bring it outside a line forms an kids...
Anyone with truss tube notice this? The return spot will move a little as the scope is elevated and depressed. It must move a little regardless, but is it...
I seem to have bad luck with JMI motofocusers. I have had two for my C5, the little POT resistor not resisting very all my travels abroad and snapping off on...
... Hi Al, I have the same problem,with my 14" sort-of, when I set it up. I have to rock the elevation back and forth a few times, and let everything settle...
... One of the differences between a pretty good truss Dob and an excellent truss Dob is that the excellent instrument will retain collimation regardless of...
I've seen this in my scope and the laser dot will drift from one side of the center spot to the other. However, if you look in an autocollimator while doing...
Al, I have a Sonotube 13.1" Home made dob. Similar thing, minor movement of the reflected ring in my barlowed Glatter Laser, when I move the scope up and down....
... Yeah, I expect that's true, but how much flex do you see in an excellent structure (no such thing as zero) and what are the sources? I know I have some...
John, Do you mean by "hold collimation" that it is collimated when periodically rechecked or that you observe the return spot to not move as you swing through...
... Both observing the laser while rotating the tube (I do this as a quick check when I assemble it) and throughout the night (I am looking through the...
As an aside, I have noticed? a big difference between collimation with a 2" laser and a 1 1/4" laser. Don't know why as both are centered and the Dob is a...
Ernie, First do the lasers fit snugly? What happens if you try to wiggle them in the focuser? You need to verify that the two laser beams are centered in their...
... Hi Al, In a well built scope the return beam should not move at all; this is the hallmark of a truly rigid system and how critical it is depends on the...
