Francis Leavenworth discovered NGC 6924 = LM 1-231 on 8 Jul 1885 with the 26-inch refractor at the Leander McCormick Observatory and noted "mag 13.2, pS, R, sbMN, * 1.0' N, neb * in field?, env 14.0." His rough position (nearest min of RA) is 45 seconds due west of ESO 528-016 = PGC 64945. Ormond Stone's corrected position in the IC 1 notes is accurate. Herbert Howe, observing with the 20-inch refractor at Denver, notes that Leavenworth's star is mag 13 and 20" south.

400/500mm - 17.5" (7/21/90): fairly faint, small, oval 3:2 NW-SE, bright core. A mag 13 star is at the south tip. NGC 6924 is at the southwestern end of AGC 3698 and also a member of the SSRS Group 74 triplet with NGC 6936 37' NE and ESO 528-021 25' NE.

Notes by Steve Gottlieb