The 16-inch Meade Schmidt-Cassegrain telescope’s mirror makes it the largest in Philadelphia; for comparison, the Franklin Institute’s Joel N. Bloom Observatory has an 8” Schmidt-Cassegrain. To reach ...

The 24-inch Boller & Chivens f/8 Cassegrain was installed in the dome of Sommers-Bausch ... even though the Coude focus has never been used). The mirrors one sees around the periphery of the dome are ...