John Coffin Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing 20 topics - 1 through 20 (of 31 total) 1 2 → Topic Voices Posts Last Post Alpy 200, what minimum size scope for supernova ID? Started by: John Coffin in: Spectroscopy 2 3 6 months, 3 weeks ago John Coffin Finding good reference stars Started by: Robin Leadbeater in: Spectroscopy 2 4 8 months ago John Coffin Swan Bands in Comet and Carbon star compared Started by: John Coffin in: Spectroscopy 1 1 10 months, 1 week ago John Coffin Where is the ARAS spectroscopy forum now? Started by: John Coffin in: Spectroscopy 2 3 12 months ago John Coffin Nova Cas 2021 1 2 … 4 5 Started by: Jeremy Shears in: Variable Stars 25 89 1 year, 11 months ago Jeremy Shears ARAS symbiotic target list for Astroplanner Started by: John Coffin in: Spectroscopy 1 1 2 years, 8 months ago John Coffin Nova in Cas 1 2 Started by: Jeremy Shears in: Variable Stars 12 40 2 years, 10 months ago Jeremy Shears C/2020 F3 (NEOWISE) 1 2 … 7 8 Started by: Nick James in: Comets 42 153 3 years, 7 months ago Bill Ward Lodestar Pro, has anyone used one? Started by: John Coffin in: Imaging 4 5 3 years, 10 months ago Grant Privett Pier on artificial grass Started by: Andrew Read in: Telescopes 3 5 4 years, 1 month ago Andrew Read Online spectroscopy workshops at AAVSO Started by: John Coffin in: Spectroscopy 1 1 4 years, 2 months ago John Coffin Paper includes supernova classified using the ALPY200 Started by: Robin Leadbeater in: Spectroscopy 7 7 4 years, 3 months ago Michael O’Connell Request for monitoring of X Per 1 2 Started by: Robin Leadbeater in: Spectroscopy 6 31 4 years, 5 months ago Hugh Allen BAA Practical Spectroscopy Workshops 1 2 Started by: Andy Wilson in: Spectroscopy 9 22 5 years, 7 months ago Andy Wilson Spectrum of M87 Nucleus Started by: Robin Leadbeater in: Spectroscopy 4 7 5 years, 7 months ago Mr Jack Martin Scintillation and ALPY spectra Started by: Robin Leadbeater in: Spectroscopy 3 6 5 years, 8 months ago John Coffin UV Aurigae, where can I find out more? Started by: John Coffin in: Spectroscopy 4 5 5 years, 9 months ago Robin Leadbeater List of campaigns? Started by: John Coffin in: Spectroscopy 5 7 5 years, 11 months ago John Coffin Spectrum of Comet 46P/Wirtanen Started by: Robin Leadbeater in: Comets 5 14 5 years, 11 months ago Robin Leadbeater Windows 7 upgrade Started by: Mr Jack Martin in: Imaging 4 12 5 years, 12 months ago John Coffin Viewing 20 topics - 1 through 20 (of 31 total) 1 2 →