Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
				1	2	3
4	5      102 years ago, in 1843: The Great Comet of 1843 is first observed.	6	7	8	9      32 years ago, in 1913: Several hundred meteors are seen streaming across the sky from Saskatchewan to Bermuda.	10      11 years ago, in 1934: 4179 Toutatis is first sighted as object 1934 CT, but is lost soon after.
11      145 years ago, in 1800: While testing filters for observing the Sun, William Herschel discovers infrared radiation in sunlight.	12	13	14	15      381 years ago, in 1564: Galileo Galilei is born in Pisa, Duchy of Florence, Italy.      100 years ago, in 1845: The 72-inch Rosse (Leviathan of Parsonstown) Telescope sees "first light".	16	17
18      15 years ago, in 1930: Clyde W. Tombaugh discovers Pluto.	19      472 years ago, in 1473: Nicolaus Copernicus is born in Thorn, Royal Prussia, Kingdom of Poland.      158 years ago, in 1787: William Herschel's 40-foot (Great Forty-Foot) Telescope sees "first light".	20	21	22	23	24
25	26      329 years ago, in 1616: Galileo Galilei is ordered by the Inquisition to abandon the Copernican theories.      162 years ago, in 1783: NGC 2360 (Caroline's Cluster), an open cluster in the constellation Canis Major, is discovered by Caroline Herschel.	27      102 years ago, in 1843: The Great Comet of 1843 makes a very close perihelion of less than 515,000 miles (830,000 km).      3 years ago, in 1942: James Stanley Hey accidentaly discovers radio emmissions coming from the Sun.	28      389 years ago, in 1556: The German astronomer Joachim Heller discovers the Great Comet of 1556 (C/1556 D1).