He directed an expedition to photograph the 1874 transit of Venus, and was the first to photograph the Orion Nebula, on September 30,1880 using his 11 inch Clark Brothers photographic refractor he took a 50 minute exposure.
Using his 11 inch Clark Brothers photographic refractor he took a 50 minute exposure. He directed an expedition to photograph the 1874 transit of Venus, and was the first to photograph the Orion Nebula, on September 30,1880.
He directed an expedition to photograph the 1874 transit of Venus, and was the first to photograph the Orion Nebula, on September 30,1880. Using his 11 inch Clark Brothers photographic refractor he took a 50 minute exposure.
He directed an expedition to photograph the 1874 transit of Venus, and was the first to photograph the Orion Nebula, on September 30,1880. Using his 11 inch Clark Brothers photographic refractor he took a 50 minute exposure.