Celestron NexStar 8i Telescope User Manual


 
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With the NexStar powered on, press ENTER to
begin an alignment.
Up and Down
Scroll Buttons
Direction
Buttons
a) Use the Up and Down scroll buttons to get to the Auto
Two-Star Align menu and press ENTER. b) Input the
necessary date and time information as instructed by the
hand control. (See Hand Control section for complete
instruction on entering data). c) The first time the NexStar
is used from a new location, the longitude and latitude
must be entered into the hand control. When asked for
your coordinates , use Appendix C to look up the
longitude and latitude of your nearest city and enter it
into the hand control.
APPENDIX C LONGITUDE LATITUDE
degrees min degrees min
Torrance 118 19.8 33 48
Travis AFB 121 55.8 38 16.2
Tahoe 120 7.8 39 19.2
Based on the inputted information, the NexStar will
automatically choose a second alignment star and slew
the telescope close to that star. Once there, the display
will ask you to use the arrow buttons to aim the Star
Pointer at the star. If the star is not visible (perhaps
behind a tree), press UNDO to select a new star. Next,
center the star in the eyepiece and press ALIGN. When
complete, display will read "Alignment Successful".
Once the SELECT STAR 1 message appears on the
display, use the Up and Down scroll keys (10) to select
the star you wish to use for the first alignment star.
Press ENTER. Use the direction buttons to slew the
telescope to the alignment star and carefully center the
star in the finderscope and eyepiece. Once centered
in the e
y
e
p
iece
p
ress ALIGN.