Taken through a heavily modified Coranado PST scope and processed for both surface and prominence details. By Nigel price
Venus Transit 4, June 2004
TMB 80 f/6
Camera: SBIG 2000 XM
Mount: Losmandy G11 – Gemini Series IV GoTo
Filters: Lumicron H-Alpha and finally through SBIG CFW8’s Green filter.
Exposure: 1/250 sec & -3 º C By Nick Tonkin