#20176 Aug 29, 2005
Following an earlier posting, I would like to report back favorably on
Maxpoint. I have been using Maxpoint as a hub principally, to
facilitate access of several programs to the telescope control via the
same COM port, in my case MAXIM-DL and Starry Night. Up to now I have
been using the native pointing model offered by my Gemini G11 mount.
However, I have found the Maxpoint interface very nice for buiding the
pointing model - very nice. Much easier model building process when
compared to the handbox that comes with the Gemini. In particular, the
bright star list seems larger and only stars visible for you are
offered. This can be taylored to your particular viewing location - in
my case many local obstructions preclude views in particular
directions. The model resulting is also very accurate (as it the
Gemini model), but the interface is really good.
It works very well.
#20193 Aug 30, 2005
hi randy - can you go into detail about your process for setting
maxpoint in motion with the gemini/losmandy mount. i can connect with
no problem but my slews are way off.
i agree with you that building the model with maxpoint will give a
better result and i like working with the interface.
#20202 Aug 30, 2005
TO start with I Cold Start the Gemini mount in the standard "park
mount" position pointing north with the counter weight in the down
position, and next select the "align telescope - goto bright star"
sequence, then the Gemini slews to near the target star. Then use the
hand controller to center the first star and finally press
the "synchonize" button. This estalishes the initial calibration point
for the mount. From here on, MAXPOINT is in charge. At this point
proceed to add stars to the calibration model. I think the
instructions indicate that a minimum of 6 stars are needed to build
the initial model - I lost patience after about 10 stars. After this,
goto's were very close. I use an illuminated reticle eyepiece to
improve the model building process - sometime hard to judge where the
center of the field is in the eyepiece without a reticle and this
significantly reduces one of the sources of randomness and error in
the model building phase. After this I have found the goto's to be
embarrasingly spot on my CCD chip - a bit like shooting fish in a
barrel. If there is such a thing as the thrill of the hunt, MAXPOINT
makes you feel like a spotlighter in a deer hunt. But this is a good
thing for CCD-imagers as time is a precious commodity and fooling
around hunting for the target can be a big time sink when so many
other subsequent steps all demand their fair share of attention. I
really appreciate the "center object" feature in the Maxim telescope
control feature. There seems to be a sort of Zen associated with
making all of this work - I now seem now to very quickly get excellent
goto's where before I struggled with wide variations in success - some
nights encouragingly good, and some noghts a total disaster, and no
real clue as to why. But with time, the scope and equipment and
software finally seem to yield to the MASTER! and perform. Kind of
like breaking a horse I guess. Anyway, I am quite pleased and hope to
be competing with Allen Chan soon!
- In MaxImDL@yahoogroups.co
> maxpoint in motion with the gemini/losmandy mount. i can connect
with > no problem but my slews are way off.
> i agree with you that building the model with maxpoint will give a
> better result and i like working with the interface.