P r i m a L u c e L a b S . p . A .
E A G L E L E U s e r M a n u a l
The exact position is not important, but 25-35 degrees above the horizon works well. Click Drift to start drifting.
Drift until you have a stable Dec slope. Click Adjust, then turn the mount's Altitude adjustment knob. Use your
notes recorded in the "Altitude adjustment notes" area from a previous session to determine which way to turn the
knob to move the slope in the desired direction. For example, with my setup I turn the altitude knob clockwise to
make the slope go “down". Just as with the Azimuth adjustment, repeat cycles of Drift and Adjust making the mea-
surements and moving the guide star to the magenta circle. Again, the goal is to get the dec drift line to be horizon-
tal.
Note about ASCOM
The instructions and screenshots above correspond to what you see in PHD2 with an ASCOM connection to the
mount. There are a couple differences if you do not have an ASCOM connection.
• The scope pointing information and the Slew button are disabled. You'll need to manually slew the mount to the
required location.
• The solid magenta circle becomes a dashed-line magenta circle. The dashed magenta circle represents a limit to
how far the guide star needs to move, not the exact distance. We only know that the star should not move past
the circle. Rather than moving the star all the way to the circle, you may want to only move it half-way or so as an
initial guess. You can use Bookmarks to keep track of where the guide star was in each Drift/Adjust iteration.
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