Transit from 18:45 to 21:27 12:00 14:00 16:00 18:00 20:00 22:00 23:00 1.0 1.2 1.4 1.6 1.8 2.0 Time in zone UTC on 2024-04-20 Airmass 100.0 -1.0 100.0 -1.0 100.0 -1.0 100.0 -1.0 Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 81° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 90% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 80° Moon 91% @ 79° Moon 92% @ 79° Moon 92% @ 79° Moon 92% @ 79° Moon 92% @ 79° 12:00, 13.33 12:05, 13.33 12:10, 13.33 12:15, 13.33 12:20, 13.33 12:25, 13.33 12:30, 13.33 12:35, 13.33 12:40, 13.33 12:45, 13.33 12:50, 13.33 12:55, 13.33 13:00, 13.33 13:05, 13.33 13:10, 13.33 13:15, 13.33 13:20, 12.83 13:25, 11.65 13:30, 10.47 13:35, 9.43 13:40, 8.53 13:45, 7.76 13:50, 7.10 13:55, 6.53 14:00, 6.05 14:05, 5.62 14:10, 5.24 14:15, 4.91 14:20, 4.62 14:25, 4.36 14:30, 4.12 14:35, 3.91 14:40, 3.71 14:45, 3.54 14:50, 3.38 14:55, 3.23 15:00, 3.10 15:05, 2.97 15:10, 2.86 15:15, 2.75 15:20, 2.65 15:25, 2.56 15:30, 2.47 15:35, 2.39 15:40, 2.32 15:45, 2.25 15:50, 2.18 15:55, 2.12 16:00, 2.06 16:05, 2.00 16:10, 1.95 16:15, 1.90 16:20, 1.86 16:25, 1.81 16:30, 1.77 16:35, 1.73 16:40, 1.69 16:45, 1.66 16:50, 1.63 16:55, 1.59 17:00, 1.56 17:05, 1.53 17:10, 1.51 17:15, 1.48 17:20, 1.45 17:25, 1.43 17:30, 1.41 17:35, 1.38 17:40, 1.36 17:45, 1.34 17:50, 1.32 17:55, 1.31 18:00, 1.29 18:05, 1.27 18:10, 1.26 18:15, 1.24 18:20, 1.23 18:25, 1.21 18:30, 1.20 18:35, 1.19 18:40, 1.17 18:45, 1.16 18:50, 1.15 18:55, 1.14 19:00, 1.13 19:05, 1.12 19:10, 1.11 19:15, 1.10 19:20, 1.10 19:25, 1.09 19:30, 1.08 19:35, 1.08 19:40, 1.07 19:45, 1.06 19:50, 1.06 19:55, 1.05 20:00, 1.05 20:05, 1.04 20:10, 1.04 20:15, 1.03 20:20, 1.03 20:25, 1.03 20:30, 1.02 20:35, 1.02 20:40, 1.02 20:45, 1.02 20:50, 1.02 20:55, 1.01 21:00, 1.01 21:05, 1.01 21:10, 1.01 21:15, 1.01 21:20, 1.01 21:25, 1.01 21:30, 1.01 21:35, 1.01 21:40, 1.02 21:45, 1.02 21:50, 1.02 21:55, 1.02 22:00, 1.02 22:05, 1.03 22:10, 1.03 22:15, 1.03 22:20, 1.04 22:25, 1.04 22:30, 1.05 22:35, 1.05 22:40, 1.06 22:45, 1.06 22:50, 1.07 22:55, 1.08 23:00, 1.08 Airmass plot for HAT-P-18 b; Moon 91% @ 80° RA = 17:05:23.13, Dec = 33:00:44.37; Lat, long = 41.76133, 88.545282 90 56 45 38 33 30 Elevation (degrees)