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Definition of Coronograph
1. Noun. (astronomy) A telescope, fitted with an attachment that blocks out direct rays from the sun, used to study and photograph the corona of the sun ¹
2. Noun. (astronomy) The attachment used in such a telescope ¹
¹ Source: wiktionary.com
Definition of Coronograph
1. [n -S]
Lexicographical Neighbors of Coronograph
Literary usage of Coronograph
Below you will find example usage of this term as found in modern and/or classical literature:
1. Monthly Notices of the Royal Astronomical Society by Royal Astronomical Society (1887)
"61° 46'W. Captain Darwin with the coronograph exposed six plates during totality,
one for five seconds, one for ten seconds, and four instantaneous. ..."
2. Publications of the Astronomical Society of the Pacific by Astronomical Society of the Pacific (1893)
"Professor HALE does not regard the observations with his ' ' coronograph " as at
all successful, possibly owing to the fact that the atmospheric conditions ..."
3. The Observatory (1907)
"The instrument employed was the full aperture of the 4-inch lens of the ao-foot
coronograph belonging to the Royal Irish Academy. ..."
4. Year-book of the Royal Society of London by Royal Society (Great Britain) (1899)
"... with the Thomson coronograph, object glass 9 inches diameter, 8 feet 6 inches
focus, with a concave enlarging lens giving an equivalent focus of about ..."
5. Giant Sun and His Family by Mary Proctor (1906)
"Professor Todd secured some two hundred and fifty photographs of the corona with
his automatic coronograph. Very good observations of the shadow bands were ..."
6. Astronomischer Jahresbericht by Astronomische Gesellschaft (Germany), Astronomisches Rechen-Institut zu Berlin-Dahlem, Astronomisches Rechen-Institut, Heidelberg, Coppernicus-Institut, Königliches Astronomisches Rechen-Institut zu Berlin (1902)
"... Fernrohr von Steinheil, photographische Kamera von 94mm Oeffnung und
Spektrographen, sowie coronograph mit ..."
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