Seeing for Ashburn

Fri 2017-08-18 to Sat 2017-08-19
Sky
Hour (EDT) Clouds
Best values are marked
arc sec.
13 36 1.51
14 16 1.60
15 22 1.59
16 41 1.61
17 61 1.73
18 41 1.68
19 21 1.55
20 3 1.55
21 17 1.60
22 32 1.66
23 46 1.67
0 49 1.73
1 55 1.76
2 62 1.76
3 59 1.77
4 57 1.79
5 55 1.84
6 49 1.89
7 44 1.90
8 39 1.85
9 26 1.76
10 13 1.61
11 0 1.42
12 0 1.26