Two-hour LCP maps of Sgr A* observed on May 17 2012. a) May 17 6–8 h (6:04–08:00 UT) with a flux of 1.23 ± 0.03. b) May 17 (7:10–09:00 UT) with a flux of 1.26 ± 0.03. c) May 17 8–10 h (8:14–09:58 UT) with a flux of 1.31 ± 0.03. d) May 17 9–11 h (9:11–10:56 UT) with a flux of 1.41 ± 0.03. e) May 17 10–12 h (10:09–12:19 UT) with a flux of 1.40 ± 0.03. All maps are restored with a beam of 2.74 × 1.12 at 1.76°. The plotted contour levels are 1.73%, 3.46%, 6.93%, 13.9%, 27.7%, and 55.4%.