guiding telescope

guiding telescope

[′gīd·iŋ ¦tel·ə‚skōp]
(optics)
A telescope that is mounted so that it remains parallel to a photographic telescope and is used by a person observing through it to supplement the clock motion in keeping the image of a celestial body motionless on a photographic plate.
References in periodicals archive ?
Senior editor Dennis di Cicco has been guiding telescopes for deep-sky photography since the 1960s.
Senior editor Dennis di Cicco doubts he can recall all the ways he's tried guiding telescopes during his nearly 50 years as an active astrophotographer.