john simpson Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing 20 topics - 1 through 20 (of 20 total) Topic Voices Posts Last Post Issues using BAA Photometry Spreadsheet to calculate based on AIJ data file Started by: Les Brand in: Photometry 5 10 1 month, 3 weeks ago Kwong Man Software for photometry (image calibration) 1 2 Started by: Kevin West in: Photometry 9 28 5 months, 1 week ago Mark Phillips Nova Cas 2021 1 2 … 4 5 Started by: Jeremy Shears in: Variable Stars 25 89 1 year, 3 months ago Jeremy Shears LandSat 9 Centaur Upper Stage De-Orbit Burn Started by: William Stewart in: General Discussion 7 8 2 years, 6 months ago Neil Morrison Spectroscopy resources on the BAA website Started by: Robin Leadbeater in: Spectroscopy 4 4 2 years, 9 months ago Dominic Ford Request for monitoring of X Per 1 2 Started by: Robin Leadbeater in: Spectroscopy 6 31 3 years, 10 months ago Hugh Allen radio emission from the supermassive black hole Started by: Mike German in: Radio Astronomy 3 3 4 years, 11 months ago john simpson Now that’s a freebie… ThorLabs Started by: Tony Rodda in: General Discussion 3 3 6 years, 2 months ago Dr Andrew Smith Spectrophotometry Started by: Mr Allan Brittan in: Spectroscopy 3 4 6 years, 4 months ago Mr Allan Brittan The curious case of the corkscrew meteors…. Started by: Bill Ward in: Meteors 7 18 6 years, 4 months ago Michael O’Connell STACKING Started by: Peter Taylor in: Spectroscopy 4 5 6 years, 5 months ago Peter Taylor IRAF Started by: Dr Andrew Smith in: Spectroscopy 6 16 6 years, 10 months ago Dr Andrew Smith Blue-end disparity. Started by: Tony Rodda in: Spectroscopy 4 7 7 years ago Tony Rodda Relative Flux Calibration 1 2 Started by: john simpson in: Spectroscopy 7 27 7 years, 1 month ago Paul Luckas Help with ISIS Started by: john simpson in: Spectroscopy 5 16 7 years, 3 months ago David Boyd ALPY TITAN Started by: Mr Nicholas John Atkinson in: Spectroscopy 2 2 7 years, 3 months ago john simpson Aha… Not quite as expected! Started by: Tony Rodda in: Spectroscopy 3 6 7 years, 4 months ago Robin Leadbeater Wolf Rayets and Symbiotics spectra – a busy night! Started by: Steve Cuthbert in: Variable Stars 3 16 8 years, 7 months ago john simpson chi Cygni 2015 Started by: Gary Poyner in: Variable Stars 5 12 8 years, 7 months ago Andy Wilson Symbiotic ag Peg! Started by: Steve Cuthbert in: Variable Stars 4 10 8 years, 8 months ago Andy Wilson Viewing 20 topics - 1 through 20 (of 20 total)