92.5%3.23%3.23%1.08%
0.25-m f/5.4 Newtonian reflect...0.32-m f/5.8 Newtonian reflect...0.32-m f/5.8 Newtonian + CCD0.32-m f/6.7 Newtonian reflect...H23 Pear Tree Observatory, Valparaiso | Top 10 Facilities