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Photograph of the Andromeda Galaxy (M31), 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 29th December 1888 at his observatory & home at Maghull, near Liverpool.

Photograph of the Andromeda Galaxy

Astronomy

1888
Photograph of the Whirlpool Galaxy (M51), 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 29th April 1889 at his observatory & home at Maghull, near Liverpool.

Photograph of Whirlpool Galaxy (M51), taken by Isaac Roberts, 1889

Astronomy

1889
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.

Photograph of stars in the constellation of Cygnus

Astronomy

1887
Photograph of twin galaxies (M82 & 82) in the constellation of Ursa Major, taken by Isaac Roberts using a twin telescope (20-inch reflector & 7-inch refractor) by Howard Grubb of Dublin. Taken with an exposure of 3 1/2 hours on 31st March 1889 at his observatory & home at Maghull, near Liverpool.

Photograph of twin galaxies (M82 & 82) in the cons

Astronomy

1889
Photograph of the Dumb-bell Nebula (M27), taken by Isaac Roberts using a twin telescope (20-inch reflector & 7-inch refractor) by Howard Grubb of Dublin. Taken with an exposure of 3 hours on 3rd October 1888 at his observatory & home at Maghull, near Liverpool.

Photograph of the Dumb-bell Nebula (M27), taken by

Astronomy

1888
Photograph of the Ring Nebula in the constellation of Lyra (M57), 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 July 1887 at his observatory & home at Maghull, near Liverpool.

Photograph of the Ring Nebula in the constellation

Astronomy

1887
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.

Photograph of the Pleides star cluster with nebulo

Astronomy

1888
Photograph of the Double Star Cluster (H.VI.33&34) in the constellation of Perseus, 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 13th January 1890 at his observatory & home at Maghull, near Liverpool.

Photograph of the Double Star Cluster (H.VI.33&34)

Astronomy

1890
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.

Photograph of stars centred on the star Gamma Cass

Astronomy

1890
Photograph of the Great Orion Nebula (M42), taken by Isaac Roberts using a twin telescope (20-inch reflector & 7-inch refractor) by Howard Grubb of Dublin. Taken with an exposure of 205 minutes on 4th February 1889 at his observatory & home at Maghull, near Liverpool.

Photograph of the Great Orion Nebula (M42), taken

Astronomy

1899