Page 643 - 89 history of astronomy_opt

four hours revealed other new nebula in the
same district. That painstaking and most
ˆ
careful observer, Barnard, with 10A hours’
exposure, extended this nebulosity for sev-
eral degrees, and discovered to the north of
the Pleiades a huge diffuse nebulosity, in a
region almost destitute of stars. By estab-
lishing a 10-inch instrument at an altitude
of 6,000 feet, Barnard has revealed the wide
643