Ad Astra Observatory

Art Morton wrote:
>> I have no earthly idea how to get the Gemini to go at 2x sidereal.
>> Without getting the drive to turn off in one direction, the alignment
>> routine will not be as accurate.
>> James says that there should be some setting in the “slew” speeds

>> that will get this done. I’m just not sure what the speed numbers are
>> referring to (ie, if I’m looking for 2x, do I set it to 1, 2, 100,
>> 200?). He’s getting back to me on that.
> Set the Gemini to Tesseral.
That will work for “west” (with some key clicking (: )

but I still need something to do “east”. I suppose it doesn’t matter if
the lines are exactly the same length, but it would be nice.

This seems like sucha no-brainer. Every mount I’ve owned that has drives
has a setting that allows the user to turn the drives off in one
direction, and go 2x sidereal in the other…

>> Have you ever looked through the polar scope *after* you’ve done a

>> good drift alignment, to see how far off it is?
> Yes, the alignment in the scope is off, but he software and the
> imaging results show that things are right on.
I might get to that point and then shim the polar scope to get it
closer. At this point, it’s no better than sighting through the bore hole.
> I am in Sacramento looking for a job.

How long are you in town? Gonna make a side trip to see Ad Astra
Observatory? You’re welcome any time, of course.

J