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EQStar User Guide                                                                                                              www.astro-gadget.com 
 

 
 

1.

 

Overview 

The control system EQStar is designed to automate the control of the equatorial mount, and can be 
used in stand-alone mode or in a control mode using a computer or mobile device (phone, tablet, 
etc.). For use with a PC, EQStar works with any astronomical programs that support the ASCOM 
platform ( 

http://www.ascom-standards.org/

 ). For example, it works with planetarium programs 

like Stellarium, Cartes de Ciel, StarCalc and others. Among the programs for astrophotography and 
guiding, EQStar supports MaximDL, Guidemaster, PHDGuiding and others. When you work with a 
PC, EQStar allows you to automatically goto sky objects and track them automatically during astro 
photography with long exposures. When working with a PC, you must install the EQMOD ASCOM-
application 

http://eq-mod.sourceforge.net/

 ).  

Telescope control with mobile devices can automatically find sky objects in the planetarium 
program on mobile devices. The control of the telescope should be chosen as Celestron SynScan, as 
well as a mount - German equatorial mount. Compatible programs on mobile devices include 
SkySafari, Orion StarSeek, DSOPlanner et al.  

EQStar Communication with the PC is via the USB cable from the standard equipment, while mobile 
devices use a WiFi  interface.  

A variety of platforms, drivers, and applications can control EQStar, making it possible for the user to 
point the telescope on the mount to any object selected in a planetarium program or create 
automated astrophotography sessions that cause the telescope to point to a series of objects or 
locations and control guided imaging. For example, an astro photographer generally uses a laptop or 
PC to point to an object, with targeting and guiding on the object during a long exposure. Such 
opportunities are mostly programs running under Windows. But for an amateur interested in visual 
astronomy, it is much more convenient to control the mount with a compact mobile device, such as 
a smartphone or tablet, rather than using a PC or laptop.  

In the EQStar kit is a universal mount a joystick for manual control as well. It also allows you to 
control mount autonomously without a computer, smartphone or tablet. 

 

 

 

EQStar Inputs, Outputs, and Control 

Summary of Contents for EQStar

Page 1: ...EQStar User Guide www astro gadget com 1 EQStar User Guide...

Page 2: ...ware Installation 5 3 PC Software Installation 6 4 PC control 8 5 Control with Mobile Cell Phone or Tablet 10 6 EQStar control via ZWO ASIAir Pro 14 7 EQStar control via a Linux Controller 15 8 Stand...

Page 3: ...tron SynScan as well as a mount German equatorial mount Compatible programs on mobile devices include SkySafari Orion StarSeek DSOPlanner et al EQStar Communication with the PC is via the USB cable fr...

Page 4: ...ding input PC COM port over USB interface for PCs Wifi Wifi enable switch Wifi On LED Power on off switch Power input 5 5mm outer 2 1mm inner power connector accepts center 2 1mm male plus pin and 5 5...

Page 5: ...EQStar User Guide www astro gadget com 5 2 Hardware Installation 2 1 Install the drive motors on the mount axes as shown in the following pictures...

Page 6: ...64 exe This installs a Silicon Labs CP210x USB UART driver After you install the driver when you connect the EQStar via the supplied USB cable the driver will show up as managing the virtual COM port...

Page 7: ...he current settings of the unit The EQStar kit should come with the EQStar correctly set for the mounts supported by this kit Of particular importance is the RA and DEC gear ratios For example at leas...

Page 8: ...e can be slewed to it If the object is not centered in the display the ASCOM panel can be used to manually slew the telescope to center the object 4 2 Long Exposure Astro photography To take long expo...

Page 9: ...0 75 and x1 0 speeds Similarly DEC button presses change the DEC guide speed from x0 5 to x0 75 to x1 0 The EQStar will respond with appropriate beeps as these changes are made Now disconnect the joys...

Page 10: ...ns of Android 5 2 Set Telescope in Polar Home Position Set the telescope and mount in the polar home position with the mount leveled weights pointing straight down and telescope tube pointed toward Po...

Page 11: ...ings Wifi Settings form in SynScan Pro can be used to set a password for better security 5 8 Using SkySafari Planetarium for EQStar Control SkySafari 6 0 can be used from an Android cellphone to contr...

Page 12: ...o the EQStar via the SynScan Pro application SkySafari can be used to select an object and request telescope Goto to point at that object Once slewing stops the requested object should be in view thro...

Page 13: ...ces you will need to install an application called SynScanLink After downloading SynScanLink to the iPhone the SkyWatcher SynScanLink telescope appears in the Skysafari telescope list Use this choice...

Page 14: ...In the telescope settings form of the ASIAir Pro choose EQMOD with SkySafari with a 9600 baud serial connection 6 2 ASIAir Pro control via WiFi For WiFi connections the EQStar must be started with WiF...

Page 15: ...ntrol For Linux based control of EQStar the combination of KStars a planetarium program and EKOS a mount control program for scripted guided astrophotography will work with the addition of an Indi EQM...

Page 16: ...itle Astroberry_Server 8 Stand alone mount control with push button joystick 8 1 Connect a push button joystick to port ST4 8 2 After turning on the power to the EQStar the device will emit 1 short th...

Page 17: ...cable is available from several vendors on Amazon 9 2 The LED on the front of the EQStar is not a power indicator It is a WiFi indicator that should be lit when WiFi is enabled via the WiFi switch on...

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