The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/SEsaros/SEsaros1-175.html) of the solar eclipse series which began on -1436March 30 and ended on -156 May 7. The duration of Saros series 45 was 1280.1 years, and it contained 72 solar eclipses.
The Saros number (http://sunearth.gsfc.nasa.gov/eclipse/LEsaros/LEsaros1-175.html) of the lunar eclipse series which began on -1369August 19 and ended on 182March 8. The duration of Saros series 45 was 1550.6 years, and it contained 87 lunar eclipses.
In other fields
Forty-five is also:
The total of books in the Old Testament of the Holy Bible in the Catholic version if the Book of Lamentations is considered part of the Book of Jeremiah.
In reference to gramophone records, 45 refers to a type of record by its revolution speed of 45 revolutions per minute (rpm). These small discs usually contained one song on each side which resulted in calling such records singles.
Originally the 45 RPM record was introduced as a longer play version of the 78 RPM discs. The first 45 RPM records were monaural with recordings on both sides of the Disc. Produced in several sizes, the 7" large hole version became the most popular. As stereo recordings became popular in the 1950s, almost all of the newer 45 RPM records were recorded in Stereo.
The title of a book of essays by record producer Bill Drummond, derived both from the speed of a pop single and from his age when he finished writing it.
The code for international direct dial phone calls to Denmark.
In the Ishihara color test, 45 is on a plate of blue, green, red and brown circles which people with normal vision can discern but colorblind people can't see
Gaelfonn started with issuing 78rpm records and continued with 45rpm and LP records after the demise of 78s.
This 7" 45rpm EP record features William McCue (bass), who was for many years a stalwart of Scottish Opera and the Scottish National Orchestra under their conductor Alexander Gibson.
These records and their sleeves advertising Younger's beer are not Scottish-made but were made by Lyntone Recordings Ltd. of England for Scottish and Newcastle Breweries Ltd., the well-known Edinburgh-based brewery, to advertise Younger's Tartan Keg and Younger's Special, two of their beers.
One side has the original mono version of the song, and the flip side has the "stereo version never before available as a single in U.S." The record itself is in excellent shape, and the picture sleeve has very slight ring-lines in the center but is otherwise in very nice shape.
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