One of three photographs in passe partout frame X13 showing the Sun with spots in white light on May 13

One of three photographs in passe partout frame [X13] showing the Sun with spots in white light on May 13, 1951.

Details

Category:
Astronomy
Object Number:
1999-930
Materials:
glass, card and complete
Measurements:
overall: 5 x 257 x 257 mm
type:
black-and-white transparencies, astrophotographs, sun and sun spots
credit:
Royal Greenwich Observatory