Dr Paul Leyland Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing 20 topics - 341 through 360 (of 464 total) ← 1 2 3 … 17 18 19 … 22 23 24 → Topic Voices Posts Last Post Jet in 3C273 Started by: Dr Paul Leyland in: Deep Sky 3 3 5 years, 5 months ago David Strange To do or not ? Started by: Mr Jack Martin in: Photometry 4 7 5 years, 5 months ago Mr Jack Martin Signal to Noise Ratio (SNR) estimates Started by: Tim Haymes in: Imaging 4 4 5 years, 5 months ago Dr Paul Leyland Using DSLR cameras to measure sky brightness Started by: Dr Paul Leyland in: General Discussion 1 1 5 years, 5 months ago Dr Paul Leyland Website downtime Started by: Dominic Ford in: Website News and Help 2 2 5 years, 6 months ago Dr Paul Leyland Refocussing meteor cameras Started by: Dominic Ford in: Meteors 6 7 5 years, 6 months ago Dr Paul Leyland Crew Dragon launch Started by: Steve Knight in: General Discussion 7 12 5 years, 6 months ago Nick James Help needed for a final time – image Venus and the Moon Started by: Carolyn Kennett in: General Discussion 5 9 5 years, 6 months ago James Lancashire Negative observations Started by: Dr Paul Leyland in: Variable Stars 3 8 5 years, 6 months ago Dr Paul Leyland Webinar Applause Started by: Stuart Morris in: BAA Events and News 7 8 5 years, 6 months ago Stuart Morris Super Nova 2020 hvf in NGC 3643 Started by: Eric Watkins in: Variable Stars 7 7 5 years, 7 months ago Dr Paul Leyland Why are most of the Moon’s craters circular? Started by: Alan Thomas in: Moon 4 5 5 years, 7 months ago Alan Thomas Solar System and Exoplanets review paper Started by: David Boyd in: Exoplanets 3 3 5 years, 7 months ago Roger Dymock SBIG ST Parallel Port Cameras Started by: Michael O’Connell in: Imaging 5 10 5 years, 7 months ago Michael O’Connell Did you know ! Started by: Mr Jack Martin in: Venus 6 11 5 years, 7 months ago Nick James 4.7 day old Moon – 2020 April 27 Started by: Michael O’Connell in: Moon 4 10 5 years, 7 months ago Alan Thomas SU UMa is unusually quiet currently Started by: Robin Leadbeater in: Variable Stars 2 2 5 years, 7 months ago Dr Paul Leyland software for finding faint asteroid tracks Started by: Robin Leadbeater in: Asteroids 3 10 5 years, 7 months ago Grant Privett Advice on variable star photometry setup Started by: Roy Lemmon in: Variable Stars 5 13 5 years, 7 months ago Dr Paul Leyland Webinar times Started by: Gary Gawthrope in: Website News and Help 4 7 5 years, 7 months ago Dr Paul Leyland Viewing 20 topics - 341 through 360 (of 464 total) ← 1 2 3 … 17 18 19 … 22 23 24 →