| Civil Date | Ephemerides |
|---|
| 2015-07-28 | Sunset | Sunrise | Moon |
|---|
Set | 12° | 18° | 18° | 12° | Rise | Rise | Set | | 01:57 | 02:52 | 03:25 | 10:40 | 11:14 | 12:08 | 23:24 | 10:25 | | Night Length | 7:15 | Sunset Temperature | |
|---|
| On-Duty Personnel | | Resident Astronomer | Telescope Operator | OPS Engineer | Day Ops |
|---|
| Stephen Odewahn / Matthew Shetrone | Amy Westfall |
- | - |
| Other Personnel | Eusebio Terrazas, Emily Schroeder, Stephen Odewahn, Randy Bryant, Matthew Shetrone, Herman Kriel |
|---|
| Guests | Gary Hill, Brian Vattiat, Hanshin Lee, John Good, Jim Folwer |
|---|
| Open/Close Log |
|---|
| Open time | Outdoor temp | Truss temp | Close time | Reason | Time open |
|---|
| 04:39 | | 22.1 | 04:51 | dust | 00:12 | | 04:57 | | 22.2 | 05:55 | dust | 00:58 | | Total Time Open | 1:10 |
|---|
| | | Program | Night Priority | Engineering |
|---|
| 03:25 | Engineering (working on alignment of FPA and PPA) | | 04:40 | Engineering (ACAM camera) | | 05:55 | Idle due to weather (dust) |
|