Positive on glass
- Made:
- 1890 in Crowborough
- photographer:
- Isaac Roberts
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Science Museum Group Collection
© The Board of Trustees of the Science Museum
Positive on glass, enlarged at the National Observatory in Paris, of: Clusters VI. 33, 34 Persei (R.A. 2h 12m 2s Dec.N.56 degree 39.2) enlarged 3.4 times, scale 1mm, to 24 seconds of arc, taken at Crowborough, Sussex on January 13th 1890 between sidereal time 2h 27m and 5h 47m, with an exposure of three hours
