The worm period is approximately 10 minutes. The advantages of the Software Bisque driver over the Unofficial Temma PC Driver are 1 the Software Bisque driver supports alternative tracking speeds including solar and comet tracking rates; 2 the Software Bisque driver supports fine movement controls from within TheSky my driver can only support the Jog movement command ; 3 the Software Bisque driver automatically gets the Site Location information from TheSky. Simple applications such as planetarium slewing are more likely to work than demanding automation applications. It is available here: This driver has been supplied by the manufacturer and has passed all conformance tests report here. Instead they provide USB ports.

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It is important use the revised Software Bisque Temma driver included with build and later rather than the version ttelescope the driver included with the TheSky V5 build 44 through The Temma PC system design is quite straight forward and flexible and should be easily supportable in the future with any needed drivers. Simple applications such as planetarium slewing are more likely to work than demanding automation applications.

Enter the need for a driver for TheSky. For more details see the ReadMe file.

This driver has been supplied by the manufacturer and has passed all conformance tests report xscom. Like any goto system the mount can be resyncrhonized as you go on.

Astrophotography Equipment

But its database is quite limited and it is missing many features that anyone used to TheSky will sorely miss. Most typically the mount must be polar aligned it is generally agreed that Tak polar scopes work very wellthe goto system is then synchronized with one star and that’s it. But if I’m in a hurry I just release the clutches, move the mount and re-sync on tekescope other side of the sky.


The EM Temma PC Jr fits this bill primarily because it combines the precision features needed for imaging with light weight needed for portability the head weighs 24 lbs.

But I’ve also used a C8 on the EM The EM draws up to 2. TheSky V5 build 5. I measured goto accuracy using my EM with a just good polar scope alignment no drift alignment and a Vixen GA4 illuminated guiding reticle.

Use the SkyWatcher driver listed below. Equatorial mounts sacom not need to telesocpe accurately polar-aligned wscom an accurate polar alignment will likely lead to a more satisfying observing experience. This sound can best be described as something like a jet airplane noise but at far lower decibel levels.

This is a full-featured driver that provides not only ASCOM standard driver functions, but also user access to many of the Temma’s special features. I drive my mount off a 24V “wall wart” style AC adapter in the backyard and in the field off two 12V gel cells wired in series.

While not complete functionality e. The upside of this relatively slow slewing is that Takahashi has not sacrificed the performance of their low speed guiding.


For more information see Working with TheSky section 1.

Features are limited, and end-of-slew detection may be unreliable requires adjustment of encoder resolution. There are encoders built into the system, but these encoders are located on the worms so they only measure driven mount movements. It should also work with TheSky6 and TheSky5 but not all functionality will be asocm. Telescope Installs a driver for all computerized Celestron telescopes.

Richard Lawler’s Astronomical Images

Details on the revised Software Bisque Temma driver can be found here. TheSky Built-in Temma Driver: For details see Takahashi Japan’s Temma 2 technical report.

The button leads to David’s web site for this driver as well as other info on DSCs. The Kagayaki III software mentioned above does offer a mode where it can drive the Temma PC mounts in a non-equatorial mode where the situation may demand it.

Using the driver with TheSkyX by Software Bisque

It is possible to use a USB to serial adapter to allow newer laptops to communicate with the Temma mounts. Additional cable and relay boxes are no longer required as they were for previous Tak mounts.

Ascom 2X Mount Adaptor Paramount, etc.

This is an ongoing project, so be sure to check the site for updates.