The sun in near ultraviolet light. Disk details are inverted (negative) in this presentation.
September 24,2017/ captured with Coronado 90mm CaK telescope, PGR Grasshopper Express 6 megapixel camera
© Alan Friedman | all rights reserved
The sun in near ultraviolet light. Disk details are inverted (negative) in this presentation.
September 24,2017/ captured with Coronado 90mm CaK telescope, PGR Grasshopper Express 6 megapixel camera
© Alan Friedman | all rights reserved