Photograph of the Pleides star cluster with nebulosity...
Photograph of the Pleides star cluster with nebulosity (M45)
Photograph of the Pleides star cluster with nebulosity (M45), taken by Isaac Roberts using a twin telescope (20-inch reflector & 7-inch refractor) by Howard Grubb of Dublin. Taken with an exposure of 4 hours on 8th December 1888 at his observatory & home at Maghull, near Liverpool.