PalmDSC is a free program that will let a PalmOS handheld interface with a telescope DSC encoder system.

It has databases for the Messier objects, the entire NGC/IC catalog, the planets, etc.

PalmDSC is robust and easy to use in the field. The C-language source code is also available.

Updated Description:

v1.2:

- There is a new "Fake Alignment" command, to let you play with the program in the daytime.

- In the NGC/IC screen, the up and down hardware buttons now scroll through the objects.

- Tweaked the red-screen feature a little.

- Fixed a bug in the MG encoder communications protocol.

- Improved the "Current Position" screen.

- Added a red-screen feature for color Palms.

- Fixed a problem with remembering the current Caldwell object.

- Fixed a problem that could cause a crash at startup on Palm T3 and T5 handhelds.

- More detailed error messages are printed for encoder-related problems.

- A problem specific to Handspring Visors was fixed.

- A bug in the NGC screen, seen only on PalmOS 3.3, was fixed.

- PalmDSC can be run from a memory card now.

- PalmDSC now works on PalmOS 3.1 and up! Previously it didn't run on anything older than 3.3.

- MemoPad object catalogs can have longer titles and descriptions now.

- Fixed a bug in the "Nearby NGC/IC Objects" screen, where garbage objects were being listed.

- Added support for German Equatorial mounts.

- Added a new User Catalog feature based on Palm MemoPad memos.

- Finally, there is better support for large-screen devices.