GCN Circular 22976
R. Martone, C. Guidorzi (U. Ferrara), S. Kobayashi (LJMU), C.G. Mundell (U. Bath), A. Gomboc (U. Nova Gorica), I.A. Steele (LJMU), A. Cucchiara, D. Morris (U. of Virgin Islands) on behalf of a large collaboration report: The LCO 2-m unit at Haleakala Observatory (Hawaii) began observing Swift GRB180720B (Siegel et al. GCN 22973) on July 20, 14:33:34 UT (11.8 minutes after the GRB trigger time) with the SDSS i' filter. On the border of the Swift-XRT error circle, we detect a 13-mag uncatalogued object at the following position: RA(J2000)= +00:02:06.87 DEC(J2000)= -02:55:05.2 with an error radius of ~1��� as calibrated against nearby SDSS stars.