Messier Catalog and Its Contents?



Apart from software programs that use "the" Messier catalog, where is the official version and the description of its fields?
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Wayne Watson (Watson Adventures, Prop., Nevada City, CA)

(121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet

Web Page: <www.speckledwithstars.net/>
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