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"Speed" to use when building a model


 

Took my relatively new GM811 out and tried my first attempts at building a model and doing GOTO's.


Have used the mount in the past, but never played with the GOTO capability or building a model.? All did not go well.


Had some issues, GOTO's were always out by a few degrees.? Familiar with GEM mounts, polar alignment and such, just new to GOTO's.? All the initial parameters; lat, long, time offset, date and time were all entered correctly.? And my CWD was set initially as best as I good visually set it.? A Polemaster was available, so we even used that for Polar alignment.


But, yes,?did not fully work my way through the Gemini-2.com website beforehand.


In hindsight, and working through the website, I found this comment ...


WARNING: ONLY USE THE CENTER OR GUIDE SPEED TO CENTER THE STAR. USING SLEWING SPEED WILL TAKE YOU OUT OF THE MODELING FUNCTION AND RETURN YOU TO NORMAL GOTO MODE.


To center the star to model I would use the "MOVE"? speed.? The comment above is explicit about NOT using SLEW because it takes you out of the modeling function, and explicitly says to use CENTER or GUIDE.? But what about "MOVE".? Would using "MOVE" not allow me to build a model?


Could this of been a source of my trouble?


Also to center a star, didn't use a cross-hair or anything like that, just did a visual "close enough to the center of the field of view" at about 80x magnification.? When you have to "center the star" how close is close enough?


Thanks in advance...


... Bill




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