12 I
After a successful automatic alignment, StarSense
will display “Alignment Complete.”
8. Press ENTER to continue.
FIRST TIME SETUP: CALIBRATE CENTER
The first time you use StarSense AutoAlign,
StarSense needs to know the center of the
telescope’s field of view in relation to its camera.
This one-time calibration process takes place
inside the camera and will not require you to
physically adjust the camera or your telescope.
After you complete the calibration, you’ll need to
perform the StarSense Auto alignment again.
Before calibrating the center position of your
telescope, a StarSense Auto (as outlined previous-
ly) or StarSense Manual alignment must first be
performed. This allows your telescope to establish
tracking and rough GoTo accuracy.
1. Press STARS. The first option shown is Named
for named stars. Press ENTER to proceed.
2. Choose a named star from the list. For best
results, choose a star that is at least magnitude
2 or less. Look at the bottom of the LCD for
Mag and a value, such as Mag : 1.8. Use the
SCROLL up/down buttons (also the 6 and 9
keys) to page through the list of named stars.
Press ENTER to slew to the star. You do not
need to know where the star is located. Star-
Sense will slew the telescope to the star for you.
It will be the brightest star in that region of sky.
3. Attach your widest angle/lowest power eyepiece
to the telescope. Look through the eyepiece to
see if the star is there. If you do not see the star
in your eyepiece, proceed to step 4. If you can
see the star, skip to step 5.
The hand control is now in coarse centering mode,
which has a rapid slew rate.
4. Using the arrow keys on the hand control,
move the telescope until the star appears in
the eyepiece’s field of view. Instead of looking
through the eyepiece, try positioning your eye so
that you create a line of sight down the barrel of
the exterior of the telescope tube. Using this line
of sight, point the telescope roughly at the star,
then make fine adjustments by looking through
the eyepiece. Use the lowest power/widest-angle
eyepiece available.
5. Press ENTER, once the star is in the field of
view of your eyepiece.
The hand control is now in fine centering mode,
which has a slow slew rate.
6. Switch to a higher power eyepiece if available.
Center the star in the field of view. Make the final
centering movements UP and RIGHT. A small
checkmark will appear on the upper right screen
when this is done. (This corrects any errors due
to mechanical backlash in your mount.)
7. Press ALIGN.
StarSense will acquire a new image and note the
offset of the star in the camera. A message will ap-
pear: Solution Found with a new center position
displayed in coordinates on the camera.
8. Press ENTER to accept the new center reference.
From this point forward, StarSense knows where
the center of your telescope’s field of view is in
relation to the camera.
Do not move the StarSense camera after the
center reference is established. As long as the
camera does not get bumped, jarred, or rotated,
you can remove the StarSense AutoAlign from
your telescope and reattach it without recalibrating.
After this step is complete, a message will appear
Realignment Required.
9. Turn the telescope off, then on again.
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