Photograph of stars centred on the star Gamma Cassiopeia
- photographer:
- Isaac Roberts
Photograph of stars centred on the star Gamma Cassiopeia, taken by Isaac Roberts using a twin telescope (20-inch reflector & 7-inch refractor) by Howard Grubb of Dublin. Taken with an exposure of 90 minutes on 17th January 1890 at his observatory & home at Maghull, near Liverpool.
Details
- Category:
- Astronomy
- Object Number:
- 1892-53
- Measurements:
-
overall (mount): 355 x 265 x 1.5 mm
- credit:
- Mr Isaac Roberts
