iOptron ZEQ25GT 用户手册

 
 

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Press the MENU button. From the main menu select “Select and Slew.” Select an object that you 

would like to observe and press the ENTER key.  

The Go2Nova

®

 8408 hand controller has a database of about 50,000 objects. Use the ► or ◄ 

buttons to move the cursor. Use the number buttons to enter the number, or the ▼ or ▲ buttons to change 
the individual number. Hold on a button to fast scroll through the list. The “

”

 indicates the object is above 

the horizon, and a cross mark “

” 

means it is below the horizon. In some catalogs those stars below the 

horizon will not display on the hand controller. 

There are 9 objects in the Solar system catalog. 

This menu includes objects outside our Solar system such as galaxies, star clusters, quasars, and 

nebulae. 

•  Named Objects: consists of 60 deep sky objects with their common names. A list of named deep 

sky objects is included in Appendix E. 

•  Messier Catalog: consists of all 110 Messier objects. 
•  NGC IC Catalog: consists of 7,840 objects in NGC catalog and 5,386  objects in IC catalog. To 

select an object from NGC or IC catalog, move the cursor to NGC, using▲ or ▼ button to toggle 
between NGC and IC. Then move the cursor to a numerical position and use the number button 
to select the object. 

•  UGC Catalog: consists of 12,921 objects. 
•  Caldwell Catalog: consists of 109 objects. 
•  Herschel Catalog: consists of 400 objects. 

•  Named Stars: consists of 195 stars with their common names. They are listed alphabetically. A 

list is included in Appendix E. 

•  Binary Stars: consists of 210 binary stars. A list is attached in Appendix E. 
•  GCVS: consists of 5,553 bright variable stars in the catalog. 
•  SAO Catalog: consists of 26,584 bright SAO catalog objects. They are listed numerically. 

This catalog consists of 88 modern constellations with their names. They are listed alphabetically. A 

list is attached in Appendix E. 

This catalog contains 15 comets.  

This catalog contains 116 asteroids.