Detroit Observatory Chronology: 1874-1894

1852-1855 | 1856-1873 | 1874-1894 | 1896-1916 | 1917-1960s | 1961-present

1874 Brünnow retires from Dunsink Observatory due to failing eyesight
Watson takes a one year leave for the transit of Venus in Pekin, China, and discovers an asteroid the Chinese named Juewa
Watson travels from China to India, Egypt, and Europe
Watson works on geodetic survey of Egypt
Watson decorated as a Knight Commander of the Imperial Order of the Medjudieh of Turkey and Egypt, and takes a houseboat trip up the Nile
October Tappan is invited to attend commencement, but declines
1875 Watson discovers asteroid Nuwa
1876 Watson discovers asteroids Athor, Sibylla
1877 Watson discovers asteroids Phaedra, Andromache, Klytaemnestra
1878 U.S. Government station is constructed by the U.S. Government on the grounds behind the Detroit Observatory to observe the transit of Mercury in May 1879; it becomes the Students' Observatory
Watson claims to have discovered planet Vulcan while observing a total solar eclipse at Rawlins, Wyoming
1879 Watson appointed first Director of the Washburn Observatory at Madison, Wisconsin
Mark W. Harrington, Class of 1868, becomes Director of the Observatory
Meteorological instruments are purchased for the Observatory, including a Hough's barograph, Hough's thermometer, and an anemograph of the Lte. Gibbon's pattern
U.S. Signal Service loans weather instruments: standard thermometer, psychrometer, terrestrial-radiation thermometer, solar-radiation thermometer
Law professorship created in Tappan's name
1880 Waston dies suddenly in Madison, Wisconsin; buried in Ann Arbor at Forest Hills Cemetery near the Observatory
Telescopes are purchased for the Students' Observatory to replace instruments recalled by the Government: a 6-inch equatorial refractor, a 3-inch transit instrument with zenith telescope attachment by Fauth & Company but with Clark optics, and a chronometer by Elgin
J.M. Schaeberle, Assistant in the Observatory, discovers a comet
The Brünnows move from Basel to Vevey with the Tappans to their new home, Châlet Beauval
1881 Tappan dies in Vevey, Switzerland
Schaeberle discovers another comet
Meteorologic observations commence; furnished to the State Board of Health until 1905
Harrington takes a leave of absence to observe on the Pacific coast
1882 Transit of Venus observations take place, using the Students' Observatory
Observations of the great comet of 1882
Rudolph Brünnow receives his doctorate from Strassburg
1883 Furnace added to the Director's residence
Coal house on the Observatory grounds is converted to a barn
1884 Harrington is founder of the American Meteorological Journal (the first and only such journal in the U.S.)
Julia Tappan dies at Vevey, Switzerland
Rebecca Tappan Brünnow publishes a poem about her parents
Rudolph Brünnow appointed Professor of Semitic Philology at University of Heidelberg
1887 Dr. Ludovic Estes determines the latitude of the Observatory
1888 Schaeberle departs for Lick Observatory
William W. Campbell, trained by Schaeberle, publishes his Elements of Practical Astronomy
1889 The Brünnows move to Heidelberg to be with Rudolph
1890 Dome converted: new shutter by Warner & Swasey; dome cannon balls replaced with railroad-style wheels; new observer's chair of the Burnam-Hough pattern
Lighting updated on the meridian circle telescope
Andrew D. White returns the Cropsey paintings to the University
1891  
July Harrington becomes first Chief of the U.S. Weather Bureau
August Franz Brünnow dies
October Professor Harrington donates a Zollner Photometer to the Observatory
1892 Hussey departs for Leland Stanford Junior University
Asaph Hall, Jr. appointed as Director
Dr. Richard H. Bull, the Observatory's architect, dies
First phone installed at Observatory; phone number is 69
1893 E. Howard clock No. 413 obtained to keep sidereal time
Repsold micrometer obtained for the meridian circle
Chronograph by Saegmüller obtained
Asaph Hall receives Regental approval to purchase a sextant
Hall dismounts the Fitz refractor for cleaning
Hall makes repairs to the meridian circle
July Rebecca Tappan Brünnow dies
1894 Rudolph Brünnow marries Marguerite Beckwith
Tappan Hall, the new recitation building on campus, is named in Tappan's honor

The chronology is excerpted with the author's persmission from A Creation of His Own: Tappan's Detroit Observatory, by Patricia S. Whitesell, ©1998.