iOptron Astroboy 9403 (Green) [17/41] Modify star catalog

the Moon is not in the center of you eyepiece, use ◄ ► ▲ or ▼ key to center the object in your

eyepiece. Press SPEED button to change the slew speed if needed. Then press ENTER to

complete the alignment.

5.6.2. One Star Align

From the main menu, select “Align”. Select “One Star Align” and press ENTER. A list of

bright align stars that are above the horizon is computed based on your local time and location.

These stars are listed alphabetically. Use ▲ or ▼ button to select a star and press ENTER.

The mount will slew to it automatically. Use ◄ ► ▲ or ▼ key to center the object in your

eyepiece. Press SPEED button to change the slew speed if needed. Then press ENTER to

complete the alignment. Or press the BACK key to cancel the process.

If you have a very good initial setup, one star alignment should be sufficient for good

GOTO accuracy. To increase the accuracy you may choose to do two star alignment.

5.6.3. Two Star Alignment

Two star alignment will increase the GOTO accuracy of the mount. It is suggested to do

two star alignment after one star alignment. Select “Two Star Align” in the Align menu. Use ▲ or

▼ button to select a star and press ENTER. The mount will slew to it automatically. Use ◄ ►

▲ or ▼ key to center the object in your eyepiece. Press SPEED button to change the slew

speed if needed. Then press ENTER to complete the alignment. After you finish the first star,

the system will prompt you to choose the second star. Repeat the process to finish the second

star alignment. An “Align OK!” screen will show briefly. To obtain a better alignment effect, it is

suggested to choose two align stars far apart.

“Two Star Align” result will be overridden if “Solarsys Align” ,“One Star Align” or “Sync. to

Target” is performed after “Two Star Align.”

5.7. Modify Star Catalog

Besides various star lists available in the hand controller, users can add, edit or delete

their own defined objects. The comets and asteroids list also can be edited. Up to 256 user

objects can be added or modified. For comets and asteroids, the maximum number is 64, which

includes the preloaded objects.

To modify a star catalog, press MENU, use ▲ or ▼ button move the cursor to “Modify

star catalog” and press ENTER. A following screen will show:

Use ▲ or ▼ button to select user objects, comets or asteroids.

5.7.1. User RA&DEC JD2000

Select “User RA&DEC JD2000” and press ENTER, a menu like following will show:

User RA&DEC JD2000

Comets

Asteroids