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The first edition was published in 1953 with 142 objects (Sh1), and the second and final version was published by US astronomer Stewart Sharpless in 1959 with 312 objects. Sharpless also includes some planetary nebulae and supernova remnants , in addition to H II regions.
Philip M. Sharples (August 10, 1857 – April 13, 1944) was an American inventor and industrialist whose Sharples Tubular Centrifugal Separator was the first cream separator invented in the United States. He ran the largest industrial enterprise in the history of West Chester, Pennsylvania.
Sh 2-155 is an ionized H II region with ongoing star formation activity, [1] at an estimated distance of 725 parsecs (2400 light-years) from Earth. [ 2 ] [ 3 ] Sh 2-155 [ 4 ] was first noted as a galactic emission nebula in 1959 in the extended second edition of the Sharpless catalogue , [ 5 ] being a part of the much larger Cep OB3 Association ...
Simeis 147, also known as the Spaghetti Nebula, SNR G180.0-01.7 or Sharpless 2-240, is a supernova remnant (SNR) in the Milky Way, straddling the border between the constellations Auriga and Taurus. It was discovered in 1952 at the Crimean Astrophysical Observatory by Grigory Shajn and his team using a Schmidt camera and a narrowband filter ...
The Sharples Separator Works, also known as the Gumas Warehouse and Kauffman Warehouse, is an historic, American factory complex that is located in West Chester, Chester County, Pennsylvania. It was listed on the National Register of Historic Places in 1984.
The Sharpless epoxidation is viable with a large range of primary and secondary alkenic alcohols. Furthermore, with the exception noted above, a given dialkyl tartrate will preferentially add to the same face independent of the substitution on the alkene.To demonstrate the synthetic utility of the Sharpless epoxidation, the Sharpless group created synthetic intermediates of various natural ...