Stellarium Telescope Control with a HEQ5/EQ6
Submitted: Friday, 12th March 2010 by Karl van Louwersen
If you have a HEQ5 or EQ6 mount, a Shoestring (or similar) adaptor, a RS232 to USB cable and it is plugged in to your computer and you know your latitude, longitude, elevation and hemisphere, then, read on.
How to install and set-up Stellarium, EQMOD (ACSOM) and StellariumScope.
Installation and set-up Stellarium, EQMOD, (ACSOM ) and Stellarium Scope
The absolute must before installing Stellarium is to have the very latest video card drivers installed on your computer and even then there may be some issues.
Note: Stellarium comes with some built-in Telescope control software
However, if you want to use the EQMOD interface and Stellarium, which looks like the below:
Then as of 15th June 2010 you need:
Assume that you have installed ASCOM Platform 5, the ASCOM 5.5 update, Stellarium 0.10.5, StellariumScope 20100614 and EQMOD v121d and updated your video drivers.
Assume that you have a HEQ5 mount, a Shoestring adaptor, a RS232 to USB cable (and driver software) and it is powered up and plugged in to your computer.
Step 1 Find your telescope (USB to Serial) com port on your computer.
Control Panel -> Device Manager -> Ports (COM&LPT) to see the various com ports, eg Prolific USB-to-Serial Comm Port (COM3)
Step 2: Start StellariumScope
2.1: Click on the browse button with 3 dots on it, and the ASCOM Telescope Chooser window is displayed.
2.2: Select "EQMOD ASCOM EQ5/6" from the dropdown box.
2.3: Click on "Properties" button.
The ASCOM Setup window is displayed.
Enter your data for Latitude, Longitude, Elevation, Hemisphere and select your com port, e.g. COM3, and click OK.
Back to StellariumScope.
2.4: Check the little white box "Connect".
2.5: The EQMOD ASCOM DRIVER screen should appear.
2.6: Click on the "SETUP" button to display the full window.
Step 3: Back to StellariumScope panel
3.1: Click on “Options” drop down menu, then select “Modify Stellarium Command line”
3.2: The command line window is displayed, enter the directory containing "Stellarium" and click OK.
3.3: Press "Update Stellarium Configuration" button
3.4: Press "Start Stellarium" button and Stellarium should start.
Step 4 On Stellarium, select the “Location” window
Add same location as done earlier in step 2.
4.1: Select “Configuration” window and click on "Plugins"
4.2: Select "Telescope Control" and check "Load at Startup" checkbox, and click "Configure"
4.3: Press "Add" button
4.4: Select "External Software or a remote computer"
Go back to Main tab on Configuration window, click on “Save Settings” button.
Step 5 Start StellariumScope.
Watch for Part 2 of this epistle on how to configure and control the telescope!
If you have got this far, then some suggested reading - page 18 on:
Clear skies, happy playing with your toys!