Reproductions of POSS "O" prints showing the field of Lanning 90. The
plate used in the left image was taken on 1952 July 23 UT, while the plate used
in the right image was taken on 1954 June 28 UT. Note the difference in the
system's luminosity when the two plates were taken. The coordinates of Lanning
90 for epoch 1950 are: RA = 20h 22m 09s and DEC = +46d 20m 40s.