BBC Sky at Night Magazine

GEMINI-2 MINI

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The Gemini-2 Mini control system elevates the functional­ity of the Losmandy G11 mount, providing a 40,000-object Go-To database, non-volatile memory and a real-time clock. All control functions are accessed either via the supplied handset or a web interface operated through an existing network via an ethernet connection. The Mini is a refined version of the previous Gemini controller, with a tidier layout to complement its smaller design. Periodic error correction (PEC) is supported, allowing you to teach the computer about inherent errors in the mount’s RA drive. The PEC data can be held permanentl­y. The internal storage also holds sky models that are used to provide greater pointing accuracy to within half an arcminute of the target’s position.

Slewing speeds are named Slew, Move, Centre and Guide, representi­ng incrementa­lly slower speeds. The speed is selected by simply pressing a ‘button’ on the touchscree­n display. There’s an option to alter the mount specificat­ions should you need to. This could be used for example, if you decided to upgrade to a heavy-duty Losmandy Titan 50; the Gemini-2 Mini can be easily ported across to your new mount.

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