SBAUstars:
P9101913 Palmer Observatory Rosing telescopes RC 20 inch w Lunt 152mm solar h alpha shad-100
SBAUstars:
P9101921 sun sunspots and prominences via Lunt 152mm h alpha solar telescope Palmer Observatory
SBAUstars:
P9101933 SBMNH Astrovaganza SBAU JimW w UC2 telescope w white light solar filter shad-90 highl-100