The photograph covers the region between R. A. Oh. 34m. Os. and R. A. Oh. 40m. 41s. Declination between 39° 47-2 and 41° 37'2 North. The photograph was taken with the 20-inch Reflector on October 17th, 1895, between sidereal time 23h. 19m. and Oh. 49m., with an exposure of the plate during ninety minutes. Photographed by Dr. ISAAC ROBERTS, F.R.S., and reproduced with his kind permission. |