Page list

• Home
• Jim’s Jottings (blog)
• Site map
• Contact
• Jim’s astronomy web pages
  • Sky-Watcher EQ-6 Equatorial Mount
    • Making a counterweight for the EQ-6
    • EQ-6 Polar Scope Illuminator
    • Replacing the EQ-6 saddle clamp
  • Improving the William Optics combo plate
  • Astro photography
    • Astro photos
      • Astro photos – the Moon
      • Astro photos – Mercury
      • Astro photos – Venus
        • Transit of Venus, June 2004
      • Other astro photos
    • Afocal coupling experiments
      • 1: The Moon, 9¼” SCT, three eyepieces
      • 2: Daytime, 80mm f/6 refractor, four eyepieces
      • 3: Widefield views, DCL-52 vs Rini
    • Prime focus photography experiments
    • Using the Coolpix 4500 in “raw” mode
    • A Canon DSLR cable shutter release
  • Jim’s telescopes
    • Lidl Skylux 379 Optus refractor telescope
      • Lidl Equatorial Mount Improvements
    • Sky-Watcher StarTravel 80 Refractor Telescope
      • 2″ replacement focuser for 80mm f/5 refractor
    • Sky-Watcher EvoStar 80ED Refractor Telescope
    • Sky-Watcher SkyMax 102 Maksutov Cassegrain Telescope
      • Adding a fine focuser to a 4″ Mak
    • Helios StarTravel 150 Refractor Telescope
    • Sky-Watcher SkyLiner 200 Dobsonian Telescope
    • Celestron C9¼ Schmidt-Cassegrain Telescope
  • Eyepiece measurements
    • Eyepiece focal length measurement
  • Some telescope accessories
  • A novel focuser concept
• The Cortu Magnetic Bottle Opener
• Jim’s cycling page
  • Limiting the power output of a bicycle dynamo
• Doing up my 1930s house
  • Replacing a garden fence
  • Updating my kitchen
  • Building a garden shed
• Weather station
  • Stoneleigh weather – last 24 hours
  • Stoneleigh weather – last 7 days
  • Stoneleigh weather – last 28 days
  • Stoneleigh weather – since records began
  • Repairing the rain sensor
  • Weather station memory map
  • The EasyWeather.dat file format
• The BBC transform PAL decoder
• Election ’87
• RSS feeds