Photographic equatorial observations, 1912-1924, and Photoheliographic observations, 1917-1927.
Contributors: Peters, George Henry, 1863-
Series: Publications of the United States Naval Observatory -- 2nd ser., v. 12, pt. 2
Publisher: Govt. Print. Off.
Published: 1929
Place of publication: [Washington
Language: eng
Number of pages: 526
Subjects: Asteroids -- Observations.; Photoheliograph.; Sunspots.
Genres: Observations.
Notes: "Asteroid observations by photographic methods made with 6-inch Dallmeyer lenses of 39 inches focal length and with the 10-inch triple lenses of 113 inches focus, by G.H. Peters": p. 347-431.