SBIG STX Guider User’s Manual Table of Contents The SBIG STX Guider - Introduction ..............4 Pre-installation steps ....................5 A. Installing the STX Guider without an AO-X Adaptive Optics unit ....5 B. Installing the STX Guider with an AO-X Adaptive Optics unit ......8 Setting up the STX Guider ..................
The SBIG STX Guider incorporates a KAI-0340 CCD chip with a 640 x 480 pixel array and 7.4 micron pixels. The unit attaches to the front of the STX filter wheel so that it receives light from the guide stars before that light passes through any filters.
Place the STX Guider onto the filter wheel, with the exposed face of the guider toward the filter wheel. Align the four screw holes of the guider with those on the filter wheel. Note the orientation of the STX Guider and filter wheel. SBIG STX GUIDER USER’S MANUAL...
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The installed 3" accessory ring plate included with your STX or STXL camera is shown here. Thread and tighten the screws into the filter wheel. SBIG STX GUIDER USER’S MANUAL...
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OFF before connecting or disconnecting the HDMI cable. Install the completed equipment assembly onto the telescope. Turn the camera’s power ON. 10. The STX Guider is now ready to be adjusted. Refer to the section. Setting up the STX Guider SBIG STX GUIDER USER’S MANUAL...
Align the four screw holes of the guider with those on the filter wheel. Note the orientation of the STX Guider and filter wheel. SBIG STX GUIDER USER’S MANUAL...
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Place the AO-X rear plate on top of the STX Guider and align the four mounting holes. Fasten the AO-X rear plate and the STX Guider to the filter wheel using the four supplied 6-32 x 1-3/8 inch (35 mm) hex screws. SBIG STX GUIDER USER’S MANUAL...
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C IN port on the AO-X and the I C AUX port on the camera, as shown below. CAUTION: Never “hot plug” the I C cables into or from the units. Always disconnect power before connecting or disconnecting cables. SBIG STX GUIDER USER’S MANUAL...
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16. Install the completed equipment assembly onto the telescope. 17. Turn the camera’s power ON. 18. The STX Guider is now ready to be adjusted. Refer to the section. Setting up the STX Guider SBIG STX GUIDER USER’S MANUAL...
Start up the camera’s imaging CCD in focus mode, with an exposure adequate to get a uniform but not saturated field. A count level of 5,000 to 50,000 should be fine. The CCD does not need to be focused on a star field first. SBIG STX GUIDER USER’S MANUAL...
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NOTE: The guider’s focus position is affected by its mirror position. If necessary, you can increase the amount back focus for the guider by rotating the PICKOFF MIRROR knob clockwise. Try this in small steps. SBIG STX GUIDER USER’S MANUAL...
The STX Guider requires minimal maintenance. Use cotton swabs and isopropyl (rubbing) alcohol to clean the mirror if it becomes necessary. Never re-use a cotton swab - use only fresh ones. Apply only gentle pressure with the cotton swab during cleaning. SBIG STX GUIDER USER’S MANUAL...
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