Photograph of stars in the constellation of Cygnus
- photographer:
- Isaac Roberts
Photograph of stars in the constellation of Cygnus, taken by Isaac Roberts using a twin telescope (20-inch reflector & 7-inch refractor) by Howard Grubb of Dublin. Taken with an exposure of 60 minutes on 14th August 1887 at his observatory & home at Maghull, near Liverpool.
Details
- Category:
- Astronomy
- Object Number:
- 1892-55
- Measurements:
-
overall (mount): 355 x 265 x 1.5 mm
- credit:
- Mr Isaac Roberts