* Astronomy

NGC 6738 (also KPR2004b 459, Collinder 396 and OCL 101) is a magnitude +8.3 open star cluster located in the constellation Aquila. 

The cluster was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Slough, England, on the 29th July 1829. 

Right Ascension 19h 01m 20.0s, Declination +11° 36' 54"

 Although listed as an open cluster in some astronomical databases, it may be merely an asterism
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