Celestar Manual
Assembling your Celestar 21
ADVANCED ASTRO MASTER SETUP
(For Celestar 8 Computerized and Celestar Deluxe 8 Computerized Only)
(See the Advanced Astro Master manual for complete directions)
Once the Advanced Astro Master (AAM) is attached to the telescope, there are a few steps that need to be
taken to make sure the AAM is set up for the Celestar 8. Although the AAM should already be set up for
the Celestar 8, it is good practice to check and to familiarize yourself with the navigation process of the
AAM.
To setup the AAM, follow these steps:
1.
Roughly polar align the telescope as explained in “Latitude Scale Polar Alignment Method” of the
“Polar Alignment” section of the chapter, “Astronomy Basics”.
2.
Attach the AAM to the telescope.
3.
Turn on the AAM.
4.
The screen should read, “SET DEC = 0”. Set the telescope’s declination to 0º (see the section,
“Telescope Basics”). Hit enter.
5.
The AAM screen should read “MODE ALIGN STAR”. Press the down arrow once to scroll to the
“MODE SETUP” screen.
6.
Press enter. Use the up/down arrow to scroll to the appropriate mount. For a roughly aligned fork
mount, (i.e. , the Celestar 8 Computerized) set the mount type to “EQ”. Press enter. (If you are
accurately polar aligned then set the mount as “EP”.)
7.
Press enter at the “SCROLL 5” window.
8.
At the Chart screen, select SA or UA. This defines what reference numbers will be applied to the
stars. The star reference numbers will either match those of the Star Atlas 2000 (SA) or Uranometria
2000 (UA). Hit enter.
9.
In the next screen, you will set the encoder ratios and polarities. AZ should be set at -4000. Hit enter
to scroll the cursor through each number and use the up/down arrows to set the numbers. AL should
be set to +2160.
The AAM is now set up for the telescope. Steps 5 through 8 should already be set by the factory, so you
may not have had to change anything. To use the AAM, you need to align the computer to the sky by
using the “MODE ALIGN STAR” screen. Refer to the AAM manual for complete instructions.
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