Title

Photograph of a Coelostat being used at the Cambridge University observatories

Caption

Photograph of a Coelostat being used at the Cambridge University observatories. A Coelostat is an instrument with a rotating mirror that continuously reflects the light from the same area of sky, used for monitoring the path of a celestial object. Dated 20th Century

Date

20th century

Credit line

Photo12/Ann Ronan Picture Library

Reference

ARP23A13_312

License type

Rights managed

Available size

60,0Mb (2,5Mb) / 17,5in x 13,3in / 5248 x 3996 (300dpi)

Keywords

20th Century Photograph Photography Cambridge University Cambridge University University Observatories Coelostat Instrument astronomical Astronomer History of Astronomy Astrological Astronomy Mirror Sunlight Sun Sky Reflection Reflecting Celestial Rotation Rotating 20th Century