The following nights have been allocated to the WIYN Queue Experiment during Fall 1999. Nightly activity summaries are available as well as a global summary of the current observing queues.
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| Civil Date | Total | Dark | Bright | %Illum at Local Midnight |
| . | (hrs) | (hrs) | (hrs) | . |
| Aug 1 | 7.73 | 1.62 | 6.11 | 76 |
| Aug 2 | 7.77 | 2.25 | 5.52 | 66 |
| Aug 3 | 7.82 | 2.92 | 4.90 | 54 |
| Aug 4 | 7.85 | 3.62 | 4.23 | 43 |
| Aug 5 | 7.88 | 4.38 | 3.50 | 32 |
| Aug 6 | 7.92 | 5.25 | 2.67 | 22 |
| Aug 28 | 8.73 | 0.20 | 8.53 | 93 |
| Aug 29 | 8.78 | 0.85 | 7.93 | 87 |
| Sep 6 | 9.07 | 9.07 | 0.00 | 8 |
| Sep 7 | 9.12 | 9.12 | 0.00 | 3 |
| Sep 8 | 9.13 | 9.13 | 0.00 | 0 |
| Sep 9 | 9.18 | 9.18 | 0.00 | 0 |
| Sep 15 | 9.40 | 9.40 | 0.00 | 35 |
| Sep 16 | 9.43 | 9.43 | 0.00 | 44 |
| Sep 17 | 9.47 | 5.25 | 4.22 | 54 |
| Sep 18 | 9.50 | 4.48 | 5.02 | 63 |
| Sep 19 | 9.53 | 3.61 | 5.92 | 72 |
| Sep 28 | 9.85 | 1.55 | 8.30 | 80 |
| Sep 29 | 9.88 | 2.36 | 7.52 | 70 |
| Sep 30 | 9.92 | 3.25 | 6.67 | 59 |
| Oct 1 | 9.95 | 9.95 | 0.00 | 48 |
| Oct 2 | 9.98 | 9.98 | 0.00 | 37 |
| Oct 9 | 10.20 | 10.20 | 0.00 | 1 |
| Oct 10 | 10.25 | 10.25 | 0.00 | 3 |
| Oct 11 | 10.27 | 10.27 | 0.00 | 7 |
| Oct 12 | 10.30 | 10.30 | 0.00 | 13 |
| Oct 19 | 10.52 | 3.37 | 7.15 | 75 |
| Nov 1 | 10.85 | 10.85 | 0.00 | 30 |
| Nov 2 | 10.88 | 10.88 | 0.00 | 21 |
| Nov 3 | 10.90 | 10.90 | 0.00 | 14 |
| Nov 4 | 10.93 | 10.93 | 0.00 | 8 |
| Nov 11 | 11.08 | 11.08 | 0.00 | 14 |
| Nov 12 | 11.10 | 11.10 | 0.00 | 21 |
| Nov 13 | 11.13 | 11.13 | 0.00 | 30 |
| Nov 14 | 11.13 | 11.13 | 0.00 | 39 |
| Nov 29 | 11.40 | 11.40 | 0.00 | 46 |
| Dec 6 | 11.47 | 11.47 | 0.00 | 0 |
| Dec 7 | 11.47 | 11.47 | 0.00 | 0 |
| Dec 8 | 11.48 | 11.48 | 0.00 | 2 |
| Dec 9 | 11.50 | 11.50 | 0.00 | 5 |
| Dec 15 | 11.52 | 5.53 | 5.99 | 52 |
| Dec 16 | 11.53 | 4.53 | 7.00 | 63 |
| Dec 29 | 11.52 | 11.52 | 0.00 | 42 |
| Dec 30 | 11.50 | 11.50 | 0.00 | 33 |
| Jan 1 | 11.50 | 11.50 | 0.00 | 17 |
| Jan 2 | 11.48 | 11.48 | 0.00 | 10 |
| Jan 7 | 11.46 | 11.46 | 0.00 | 2 |
| Jan 8 | 11.46 | 11.46 | 0.00 | 6 |
| Jan 9 | 11.45 | 11.45 | 0.00 | 11 |
| Jan 10 | 11.44 | 11.44 | 0.00 | 18 |
| Jan 11 | 11.42 | 11.42 | 0.00 | 26 |
| Jan 12 | 11.40 | 11.40 | 0.00 | 36 |
| Jan 13 | 11.38 | 11.38 | 0.00 | 46 |
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Last Updated: 8/20/99, wiynq@noao.edu