Celestron NexStar 8i manual Appendix C Longitude Latitude

5

Direction

Buttons

Up and Down

Scroll Buttons

7

With the NexStar powered on, press ENTER to begin an alignment.

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 eyepiece press ALIGN.

6

8

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

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.

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".

8