Seeing for Ashburn

Wed 2018-01-17 to Thu 2018-01-18
Sky
Hour (EST) Clouds
Best values are marked
arc sec.
19 0 1.80
20 33 1.80
21 67 1.87
22 100 2.21
23 67 2.26
0 33 2.24
1 0 2.17
2 0 1.99
3 0 1.72
4 0 1.34
5 0 1.30
6 0 1.32
7 0 1.35
8 0 1.43
9 0 1.49
10 0 1.42
11 0 1.29
12 0 1.37
13 0 1.46
14 0 1.38
15 0 1.27
16 0 1.22
17 0 1.17
18 0 1.11