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RA: 18h 48m 4s
Dec: −25° 52′ 42″
Ch: MSA:1390, U2:340, SA:22
Type: open cluster
Mag: B=?, V=?
Size: 10′ x 5′
NGC 6698 may be the somewhat denser region of stars about 25 arcmin north of WH's position. If so, his position for it shares the same large offset that affects his positions for NGC 6514 and NGC 6533 (which see), found the same night.
If this is WH's object -- his description "A suspected cluster of vF stars of considerable extent" certainly fits -- it is probably not a true cluster, but just a concentration in the rich Milky Way field.
Coincidentally, the planetary nebula PK 009-10.1 is close to the center of the concentration. The proper motions would have to be checked to see if there is a connection, or indeed if there really is a cluster here.
The RNGC (Sulentic and Tifft 1973) notes that this is a nonexistent object. Their coded description reads NOCL S.
The Messier objects
The Bennett objects
The Caldwell list
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