reasonably close. You can then either look at the shadow of your scope on the ground and move the scope
east/west the up/down to minimize the shadow. You can also use the Starfinder (after adding a solar filter to it).
Just move the whole tripod, not the move it by the motors. Set your tracking rate to Solar.
21.) When going through the auto-alignment procedure please make sure that you start to centre the alignment
stars with the Starfinder, next with your lowest power EP and then move up with the power until you have
maximum power. If you do have a Barlow use it too. The move to the next alignment star and repeat the
procedure. This will improve the Goto and Tracking performance significantly.
22.) I recently built a solar filter from a din A4 sized (200mmx290mm) Astro-Solar film from Baader-
Planetarium (www.baader-planetarium.de). I used the D=5 version which is proposed for visual observations.
There is another one with D=3 for photographical applications but D=3 can harm the eyes so you must not use it
without additional filters. It was simple to build the solar filter according to the enclosed construction tips. So my
little daughter and I enjoyed both: building the homebrew filter and exploring first time some sunspots.
23.) After a Goto the direction buttons will work very but a very low speed. First you should leave the menu e.g.
showing the position of the tracked object. Just press "Undo" so many times until you get in the main menu. The
telescope should show "Ready". Please note that as long as tracking is activated the effective speed is set very
low ( even if you check the rate and it shows 9). You can move quickly by pressing the direction button and its
opposite button simultaneously, e.g. if you want to move quickly left, press the "left" button and then
additionally the "right" button. Once you set the tracking mode to "off" the effective speed is as set in the
menu "Rate".
24.) If you want to centre the alignment stars, Mike Swanson has been using the following trick: When you are
performing the final centring of each star in your high-power eyepiece, defocus the star, it will turn into a circle
that is much easier to centre than a single point of light. Plus, it doesn't cost anything and it's one less thing to
have in your accessory case :-)
25.) Please have a look at the following sites, they do provide more up to date information. Sorry, the list may
not be up-to-date and is certainly not complete.
http://www.nexstarsite.com
http://www.wigloo.com/webu/lea/80gt.html
http://www.grcooperjr.com/disc2_frm.htm
http://home.att.net/~nexstar/index.html
http://www.koessel.com/nexstar/
http://209.20.244.173/dons
Kind regards
Matthias
Email: DD1US@AMSAT.ORG
Homepage: http://www.dd1us.de
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