Haydn (crater)
![]() MESSENGER image, from second flyby of Mercury in October 2008  | |
| Feature type | Impact crater | 
|---|---|
| Location | Discovery quadrangle, Mercury | 
| Coordinates | 27°13′S 71°38′W / 27.22°S 71.64°W | 
| Diameter | 251 km (156 mi) | 
| Eponym | Joseph Haydn | 
Haydn is a crater on Mercury. It has a diameter of 251 kilometers.[1] Its name was adopted by the International Astronomical Union (IAU) in 1976. Haydn is named for the Austrian composer Joseph Haydn, who lived from 1732 to 1809.[2]
Haydn is south of the larger basin Raphael.
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Another oblique view from MESSENGER with Haydn at right -  			
Raphael crater (top) and Haydn crater (bottom) in approximate color 
References
 
