Attaching The Camera To A Telescope; Connecting The Relay Cable; Attaching The Remote Head - SBIG STX Series Operating Manual

1.5. Attaching the camera to a telescope.

D ue to the size of the largest CCD supported by the STX
camera, typical t-threads and even a 2" nosepiece will cau
vignetting of the CCD. The accessory plate on the front
cover of the camera has a 3" threaded aperture (3.00-24 U
2B). The outside diameter of this threaded ring also allows
for dovetail attachment with the appropriate sized adapter.
Please check with your telescope manufacturer for an
attachment adapter. Mechanical drawings are provided
the Appendix of this manual for making custom adapters.

1.6. Connecting the Relay Cable

T he camera contains opto-isolated relays to control a telescope during self-guiding or when auto
guiding. Most modern telescope drive controllers have a 6-pin modular phone style jack on their
diagram at right (Off-the-shelf cable

1.7. Attaching the Remote Head

The Remote Guiding Head is an opt
models of the STX Series cameras. When attached to the
main camera body, the Remote Guiding Head can perform
of the functions of the guiding CCD that is built into the
camera. You control the Remote Guider using the same
menu commands as you would for the internal guider. Yo
can select which guider to use for a self-guided image. The
Remote Guiding Head makes it possible to self-guide using a
separate guide scope, or through an off-axis guider assembly that is placed in front of the filters.
This can be useful when imaging through narrow band filters where stars are difficult to see.
important to remember that you should not connect or disconnect the Remote Head to the
camera while the power is on.
in
front panel or hand paddle for plugging in an autoguider.
The relay outputs from the camera are brought out via a
phone style connector labeled "SCOPE." To connect the
telephone style Relay Cable to the camera, use the 6-
conductor cable provided.
Please note that the cable
must have the connectors
attached on each end in the
correct orientation for
autoguiding. See the
for telephone use may have these plugs reversed).
ional accessory for all
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