Robert Ian Henderson Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing 6 topics - 1 through 6 (of 6 total) Topic Voices Posts Last Post Cosmic Ray – Raspberry Pi Geiger Counter Started by: Nick Francis in: Radio Astronomy 6 11 7 months, 2 weeks ago Robert Ian Henderson Watec 902H2 Ultimate giveaway Started by: Dominic Ford in: Meteors 5 6 1 year, 6 months ago Mr Robert Charles Murrell Life, don’t talk to me about life 1 2 Started by: Dr Paul Leyland in: Venus 14 30 3 years, 11 months ago Jeremy Shears Planisphere for demonstrating precession of the equinoxes Started by: Dominic Ford in: Computing 6 10 5 years, 9 months ago Robert Ian Henderson New book on The Moon Started by: Dawson in: Moon 8 15 6 years, 7 months ago Lars Lindhard Inspirational astronomy books Started by: Dawson in: General Discussion 14 14 8 years, 4 months ago Robert Ian Henderson Viewing 6 topics - 1 through 6 (of 6 total)