Transit from 23:35 to 3:15 16:00 18:00 20:00 22:00 00:00 02:00 04:00 06:00 07:00 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 Time in zone PST8PDT on 2020-12-02 (local date at sunset) Airmass 100.0 -1.0 100.0 -1.0 100.0 -1.0 100.0 -1.0 Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 59° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 58° Moon 93% @ 57° Moon 93% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 57° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 56° Moon 92% @ 55° Moon 92% @ 55° Moon 92% @ 55° Moon 92% @ 55° Moon 92% @ 55° Moon 92% @ 55° Moon 92% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 55° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 91% @ 54° Moon 90% @ 54° 16:00, 13.33 16:05, 13.33 16:10, 13.33 16:15, 13.33 16:20, 13.33 16:25, 13.33 16:30, 13.33 16:35, 13.33 16:40, 13.33 16:45, 13.33 16:50, 13.33 16:55, 13.33 17:00, 13.33 17:05, 13.33 17:10, 13.33 17:15, 13.33 17:20, 13.33 17:25, 13.33 17:30, 13.33 17:35, 13.33 17:40, 13.33 17:45, 13.33 17:50, 13.33 17:55, 13.33 18:00, 13.33 18:05, 13.33 18:10, 13.33 18:15, 13.33 18:20, 13.33 18:25, 13.33 18:30, 13.33 18:35, 13.33 18:40, 13.33 18:45, 13.33 18:50, 13.33 18:55, 13.33 19:00, 13.33 19:05, 13.33 19:10, 13.33 19:15, 13.33 19:20, 13.33 19:25, 13.33 19:30, 13.33 19:35, 13.33 19:40, 13.33 19:45, 13.33 19:50, 13.33 19:55, 13.33 20:00, 13.33 20:05, 13.33 20:10, 13.33 20:15, 13.33 20:20, 13.33 20:25, 13.33 20:30, 13.33 20:35, 13.33 20:40, 13.33 20:45, 13.33 20:50, 13.33 20:55, 13.33 21:00, 13.33 21:05, 13.33 21:10, 13.33 21:15, 13.33 21:20, 13.33 21:25, 13.33 21:30, 13.33 21:35, 13.33 21:40, 13.33 21:45, 13.33 21:50, 13.33 21:55, 13.33 22:00, 13.33 22:05, 13.33 22:10, 13.33 22:15, 13.33 22:20, 12.59 22:25, 11.49 22:30, 10.41 22:35, 9.44 22:40, 8.60 22:45, 7.87 22:50, 7.24 22:55, 6.69 23:00, 6.21 23:05, 5.79 23:10, 5.42 23:15, 5.09 23:20, 4.79 23:25, 4.52 23:30, 4.28 23:35, 4.06 23:40, 3.87 23:45, 3.69 23:50, 3.52 23:55, 3.37 0:00, 3.23 0:05, 3.10 0:10, 2.98 0:15, 2.87 0:20, 2.76 0:25, 2.67 0:30, 2.58 0:35, 2.49 0:40, 2.41 0:45, 2.34 0:50, 2.27 0:55, 2.21 1:00, 2.14 1:05, 2.09 1:10, 2.03 1:15, 1.98 1:20, 1.93 1:25, 1.88 1:30, 1.84 1:35, 1.80 1:40, 1.76 1:45, 1.72 1:50, 1.68 1:55, 1.65 2:00, 1.62 2:05, 1.58 2:10, 1.55 2:15, 1.53 2:20, 1.50 2:25, 1.47 2:30, 1.45 2:35, 1.43 2:40, 1.40 2:45, 1.38 2:50, 1.36 2:55, 1.34 3:00, 1.32 3:05, 1.30 3:10, 1.29 3:15, 1.27 3:20, 1.25 3:25, 1.24 3:30, 1.23 3:35, 1.21 3:40, 1.20 3:45, 1.19 3:50, 1.17 3:55, 1.16 4:00, 1.15 4:05, 1.14 4:10, 1.13 4:15, 1.12 4:20, 1.11 4:25, 1.10 4:30, 1.09 4:35, 1.09 4:40, 1.08 4:45, 1.07 4:50, 1.07 4:55, 1.06 5:00, 1.05 5:05, 1.05 5:10, 1.04 5:15, 1.04 5:20, 1.03 5:25, 1.03 5:30, 1.03 5:35, 1.02 5:40, 1.02 5:45, 1.02 5:50, 1.01 5:55, 1.01 6:00, 1.01 6:05, 1.01 6:10, 1.01 6:15, 1.00 6:20, 1.00 6:25, 1.00 6:30, 1.00 6:35, 1.00 6:40, 1.00 6:45, 1.00 6:50, 1.00 6:55, 1.01 7:00, 1.01 Airmass plot for HAT-P-21 b; Moon 91% @ 54° RA = 11:25:05.98, Dec = 41:01:40.87; Lat, long = 37.071, -119.413 90 56 45 38 33 30 27 24 Elevation (degrees)