iOptron 8507 ユーザーズマニュアル

 
 

16

Press MENU button, from the main menu, select “Select and Slew.” Select an object you would 
like to observe and press ENTER key.  

The GoToNova

®

 8405 hand controller has a database consists of over 10,000 objects. Use ► 

or  ◄ button to move the cursor and ▼ or ▲ button to change the number. “

”

indicates the 

object is above the horizon, and “

” 

means it is below the horizon. Only those objects above 

the horizon can be observed. In some catalogs, those stars below the horizon may not display. 

There are 9 objects in Solar system. 

•  Named Deepsky Objects: It consists of 137 deep sky objects with their common names. 

More information will be available by pressing HELP key. A list of named deep sky objects is 
also attached in Appendix C. 

•  Messier Catalog: It consists of all 110 objects in Messier catalog. More information will be 

available by pressing HELP key. 

•  NGC Catalog: a few thousand objects in NGC catalog. Use ► or ◄ button to move the 

cursor and ▼ or ▲ button to change the number. 

It contains up to 64 comets. This database is customer upgradeable. 

It contains up to 64 asteroids. This database is customer upgradeable. 

•  Named Stars: It consists of 191 stars with their common names. They are listed 

alphabetically. A list is attached in Appendix C. 

•  Constellations: It consists of 88 modern constellations with their names. They are listed 

alphabetically. A list is attached in Appendix C. 

•  Double Stars: It consists of 211 double stars. A list is attached in Appendix C. 
•  SAO Bright Stars: It consists of the bright SAO catalog objects with their magnitudes greater 

than 6. 

It can consist up to 256 user predefined objects. These objects need to be entered before they 
can be selected for slewing (Refer to 5.6.1 User RA&DEC JD2000).