James Screech Profile Topics Started Replies Created Engagements Favourites Search topics: Forum Topics Started Viewing 4 topics - 1 through 4 (of 4 total) Topic Voices Posts Last Post Hyperstar for photometry? Started by: James Screech in: Photometry 6 19 5 years, 10 months ago Martin Mobberley Heliocentric Julian date Started by: James Screech in: Computing 4 6 6 years, 3 months ago John Mallett VSS circular for June Started by: James Screech in: Variable Stars 2 2 7 years, 12 months ago Roger Pickard Alt-Az mount for DSLR photometry? Started by: James Screech in: Variable Stars 6 7 8 years, 4 months ago Des Loughney Viewing 4 topics - 1 through 4 (of 4 total)