Pocket Stars Astronomy Software for Pocket PC, Smartphone, and desktop

the universe as near as your pocket...
2D and 3D views of

the solar system and beyond

from anywhere on earth

anywhere in the solar system

for any time and date

Which Version of Pocket Stars do you need?

Which Version? PDA VersionSP VersionPC Version

Pocket Stars is a fun, fast, high accuracy star chart, astronomy reference, celestial navigation tool, and guide to the heavens.

Pocket Stars is available in three versions. The PDA and PC versions are available in English.


Pocket Stars SP version can dynamically change menus, dialogs, star names, and constellations to any of the following languages:

  • Chinese
  • English
  • French
  • German
  • Italian
  • Spanish
  • Russian

Compare features of all 3 versions.

NOAA Nautical Charts, tides and currents on the web


I've recently been working on a new site to display animated tides and currents overlayed on NOAA Nautical Charts.


This is a work in progress, so

Note that you can change the speed of time animation and the transparency of the charts.

NOAA Nautical Charts and Currents for Windows Phone 7 and 8


Nautical Charts is also available
for Windows Phone 7 and 8.


  • NOAA raster charts for the entire USA
  • Transparent layers with Bing satellite and street maps
  • Show tides and currents
  • Create routes
  • Place annotated markers
  • Show position, speed, and direction

New! Shiny!

Purchase at the Windows Phone Store

Windows Video Capture


While working at Microsoft, I designed much of the video capture infrastructure present in Windows 3.1 / 95 / 98 / 2000 / XP. Visit this page for historical information on video capture in Windows, and to download additional tools used for WDM capture driver and DirectShow development.



Serenade is our 40' Crealock Pacific Seacraft sailboat.

    "Sailboats are like RVs without the stigma."

Click here to view pictures of our trips to Alaska, around Vancouver Island, and specifications for Serenade.


Custom Programming and Consulting


I'm always willing to entertain custom programming projects.
Current interests include:

  • Windows / Windows Phone
  • Web development, leaflet, d3, js
  • Instrumentation, IOT
  • C#, XAML, c++, python

Here's my resume.

3 Versions

Windows Mobile

SP Smartphone

PDA Pocket PC

Windows Desktop

PC Win7, Vista, XP



Trial Version

The trial version of Pocket Stars is fully functional for 15 days.

After 15 days, some features are disabled if you don't purchase a registration code which permanently unlocks the software.

Money Back Guarantee

If you're not delighted with Pocket Stars, we offer a no-quibble refund within 30 days of purchase.

Version 6.0 Released!

Includes comets, display momentum, and updated user interface features.