40.8%33%24.7%1.07%0.419%0.0628%
0.28-m f/10.0 Schmidt-Cassegra...0.28-m f/10.0 0.28-m f/10 Schm...0.28-m f/10 Schmidt-Cassegrain...0.07-m f/4.8 refractor + CCD0.30-m f/5.25 reflector + CCD0.30-m f/5.25 reflector970 Chelmsford | Top 10 Facilities