white sun

Experimenting with a borrowed Coronado 90mm hydrogen alpha telescope, double stacked. Poor seeing for this session.

Compare to a full disk taken with a single Ha filter on July 14, 2013... good seeing!

July 30, 2013/ captured with Coronado 90mm double stacked solarscope courtesy Dennis Zywiczynski, PGR Grasshopper Express 6MP camera

© Alan Friedman | all rights reserved