Perkins Observatory were both growing. Light pollution therefore became increasingly problematic. So in 1961 the Perkins Telescope was moved to Lowell Observatory in Flagstaff, Arizona. Lowell is the largest private observatory (non-university or government affiliated) in the world. Through the end of the 20th century, the Perkins Telescope was the observatory’s largest instrument. Observing time on this instrument was shared between Lowell astronomers and the Ohio State University. The telescope at Perkins was immediately replaced with a cassegrain reflector telescope. It was donated by Michael R. Schottland, an entrepreneur from Martinsville, Virginia. At that time it was the largest privately owned telescope
Lowell, Massachusetts of some of the top research laboratories in Massachusetts. UMass Lowell is the second largest state university and fifth largest university in Massachusetts, while MCC is the second largest Associate's college in Massachusetts. Lowell Public Schools operates district public schools. Lowell High School is the district public school. Non-district public schools include Greater Lowell Technical High School, Lowell Middlesex Academy Charter School, Lowell Community Charter Public School, and Lowell Collegiate Charter School. Lowell Public Schools is an above average, public school district located in Lowell, MA. It has 14,247 students in grades PK, K-12 with a student-teacher ratio of 14