Mr Jack Martin Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing 20 topics - 141 through 160 (of 175 total) ← 1 2 3 … 7 8 9 → Topic Voices Posts Last Post More Lhires III mods 1 2 3 Started by: Alun Halsey in: Spectroscopy 5 50 6 years, 9 months ago Robin Leadbeater Nova in Perseus 1 2 3 Started by: Gary Poyner in: Variable Stars 15 48 6 years, 10 months ago Denis Buczynski Bright sporadic meteor and spectrum. Started by: Bill Ward in: Meteors 2 2 6 years, 10 months ago Mr Jack Martin Meteor Spectrum – April 9th 2018 @ 00:17 UT Started by: Michael O’Connell in: Meteors 4 5 6 years, 10 months ago Bill Ward USB over Ethernet 1 2 Started by: Grant Privett in: Telescopes 10 29 6 years, 10 months ago Grant Privett HELP WITH VISUAL SPEC Started by: Peter Taylor in: Spectroscopy 4 11 6 years, 11 months ago Peter Taylor C11 cover Started by: Mr Jack Martin in: General Discussion 3 3 6 years, 11 months ago Roy Hughes Geminids 2017 Started by: Bill Ward in: Meteors 3 6 6 years, 12 months ago Bill Ward dehumidifiers Started by: Mr Nicholas John Atkinson in: General Discussion 5 7 7 years, 1 month ago Mr Nicholas John Atkinson How do you find your target? Started by: John Coffin in: Spectroscopy 9 18 7 years, 1 month ago Mr Jack Martin Current state of the Halpha campaign of VV Cep Started by: Ernst Pollmann in: Spectroscopy 2 3 7 years, 3 months ago Ernst Pollmann MRes spectrograph Started by: Dr Andrew Smith in: Spectroscopy 5 6 7 years, 3 months ago Mr Jack Martin LED street lamps Started by: Mr Jack Martin in: Spectroscopy 5 10 7 years, 4 months ago Mr Jack Martin Lhires III modification Started by: Mr Jack Martin in: Spectroscopy 1 1 7 years, 4 months ago Mr Jack Martin Lhires results Started by: Alun Halsey in: Spectroscopy 5 14 7 years, 4 months ago Mr Jack Martin Power Generators Started by: Howard Davies in: Website News and Help 4 5 7 years, 4 months ago Mr Jack Martin VV Cep in eclipse Started by: Robin Leadbeater in: Spectroscopy 3 6 7 years, 5 months ago Ernst Pollmann PSN at2017gjn in NGC1067 confirmed using ALPY 200 Started by: Robin Leadbeater in: Spectroscopy 6 17 7 years, 5 months ago Robin Leadbeater Diffraction gratings Started by: Mr Jack Martin in: Spectroscopy 3 3 7 years, 5 months ago Geoff Ludbrook A cautionary tale Started by: David Boyd in: Spectroscopy 4 12 7 years, 5 months ago Robin Leadbeater Viewing 20 topics - 141 through 160 (of 175 total) ← 1 2 3 … 7 8 9 →