Mr Jack Martin Profile Topics Started Replies Created Engagements Favourites Search topics: Forum Topics Started Viewing 20 topics - 21 through 40 (of 82 total) ← 1 2 3 4 5 → Topic Voices Posts Last Post Skywatcher autofocus Started by: Mr Jack Martin in: Imaging 1 1 1 year, 1 month ago Mr Jack Martin Expensive book Started by: Mr Jack Martin in: History 2 2 1 year, 6 months ago Grant Privett Public Astronomy Started by: Mr Jack Martin in: Telescopes 2 2 1 year, 12 months ago Alan Thomas Ground breaking new sensor Started by: Mr Jack Martin in: Imaging 1 1 2 years ago Mr Jack Martin Which mobile phone adaptor? Started by: Mr Jack Martin in: Imaging 2 3 2 years, 1 month ago Mr Jack Martin ISS Jupiter Saturn Venus Moon Started by: Mr Jack Martin in: Jupiter 1 1 2 years, 3 months ago Mr Jack Martin Which webcam Started by: Mr Jack Martin in: Imaging 5 6 2 years, 3 months ago Mr Jack Martin First Astronomer Royal Started by: Mr Jack Martin in: History 2 2 2 years, 4 months ago Maxim Usatov Asteroid Started by: Mr Jack Martin in: Asteroids 1 1 2 years, 4 months ago Mr Jack Martin Ticket to ride! Started by: Mr Jack Martin in: General Discussion 3 3 2 years, 7 months ago Robin Leadbeater Vixen Porta mount Started by: Mr Jack Martin in: General Discussion 2 3 2 years, 7 months ago Mr Jack Martin New Solar Astronomy Book Started by: Mr Jack Martin in: Sun 5 9 2 years, 8 months ago Paul Anthony Brierley Line interactive UPS Started by: Mr Jack Martin in: General Discussion 3 4 2 years, 8 months ago Mr Jack Martin The Repair Shop Started by: Mr Jack Martin in: History 2 2 2 years, 9 months ago Daryl Dobbs Alt azimuth mount wanted Started by: Mr Jack Martin in: For Sale / Wants / Giveaway 1 1 3 years ago Mr Jack Martin Camera won’t connect Started by: Mr Jack Martin in: Imaging 6 15 3 years ago Alun Halsey Theodorus Blethyn 1 2 Started by: Mr Jack Martin in: History 4 30 3 years ago Mr Jack Martin On this day… Started by: Mr Jack Martin in: History 2 2 3 years, 1 month ago Michael E. Marotta The SkyX issue Started by: Mr Jack Martin in: Computing 2 5 3 years, 5 months ago Mr Jack Martin Spectroscopic Monitoring of the 2017–2019 Eclipse of VV Cephei Started by: Mr Jack Martin in: Spectroscopy 1 1 3 years, 5 months ago Mr Jack Martin Viewing 20 topics - 21 through 40 (of 82 total) ← 1 2 3 4 5 →