"The First Trip" (excerpt)
Tyler locked the telescope in on Polaris just above the northern horizon; then he swung the six-inch reflector overhead to find the line of the ecliptic. He leaned down to squint through the finder-scope, turning the dial and moving the scope until Jupiter slid close to the intersection of the crosshairs.
Harold Duncan nodded his approval. "That's good, Tyler." He turned to the other students and resumed his