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Former solar equipment:  Solar
Spectrum  SO1.5  0.3A Ha filter.
Observatory
Comparison of
Solarscope SF-100
and Coronado SMII90
Double-stacked Coronado SolarMaxII 90/BF30/15 on AP155EDF,
AP155 lens cell adapter for the SM90s made by PreciseParts.
Coronado SolarMax 60/BF10 on TeleVue Pronto.