David Boyd Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing 20 topics - 1 through 20 (of 91 total) 1 2 3 4 5 → Topic Voices Posts Last Post ISIS error “Spectrum Y coordinate is not valid” Started by: David Trowbridge in: Spectroscopy 3 5 1 week, 3 days ago David Trowbridge Autumn meeeting Started by: Robin Leadbeater in: BAA Events and News 2 3 3 weeks, 6 days ago Robin Leadbeater Preparing for the eruption of T CrB 1 2 3 4 Started by: Jeremy Shears in: Variable Stars 18 70 1 month ago Jeremy Shears Mirror making material Started by: David Boyd in: For Sale / Wants / Giveaway 2 2 5 months, 1 week ago David Arditti 10” F/3.6 Newtonian for sale Started by: David Boyd in: For Sale / Wants / Giveaway 1 1 5 months, 2 weeks ago David Boyd Recurrent Nova RS Oph 1 2 3 Started by: Gary Poyner in: Variable Stars 15 43 7 months, 1 week ago Jeremy Shears 2023 – how was it for you? Started by: Jeremy Shears in: General Discussion 15 20 8 months, 1 week ago Dr Paul Leyland BAA Deep-Sky Diaries Nos 1 – 21 Started by: David Boyd in: Deep Sky 2 2 8 months, 2 weeks ago Dr Paul Leyland NASA Voyager Bulletins Started by: David Boyd in: Spacecraft 1 1 8 months, 2 weeks ago David Boyd Gyulbudaghian’s Nebula Started by: David Boyd in: Deep Sky 4 11 9 months ago David Boyd New outburst of the symbiotic star V426 Sge (HBHA 1704-05) Started by: David Boyd in: Variable Stars 4 6 11 months ago Jeremy Shears 2022 – how was it for you? Started by: Jeremy Shears in: General Discussion 6 6 1 year, 8 months ago Lyn Smith Nova Cas 2021 1 2 … 4 5 Started by: Jeremy Shears in: Variable Stars 25 89 1 year, 8 months ago Jeremy Shears A gravitationally lensed supernova SN 2022qmx at z=0.35 Started by: Robin Leadbeater in: Deep Sky 3 8 1 year, 12 months ago Robin Leadbeater New website feedback 1 2 … 4 5 Started by: Callum Potter in: Website News and Help 23 90 2 years, 3 months ago Robin Leadbeater BX Monoceros Started by: Daryl Dobbs in: Variable Stars 2 2 2 years, 5 months ago David Boyd Nova in Hercules 1 2 3 Started by: Jeremy Shears in: Variable Stars 23 49 2 years, 5 months ago Daryl Dobbs Nova Vul 2021 1 2 Started by: Jeremy Shears in: Variable Stars 9 31 2 years, 6 months ago Gary Poyner Nova in Perseus 1 2 Started by: Jeremy Shears in: Variable Stars 10 29 2 years, 8 months ago Jeremy Shears Nova in Cas 1 2 Started by: Jeremy Shears in: Variable Stars 12 40 2 years, 8 months ago Jeremy Shears Viewing 20 topics - 1 through 20 (of 91 total) 1 2 3 4 5 →