| Date: | 2015-12-29 |
| Time: | 2301 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2015-12-29 23:01:45 |
| Time Updated: | 2015-12-30 18:47:16 |
| Time Uploaded: | 2015-12-30 16:47:15 |
| Entrant: | JSJ |
| Observer: | James St. John |
| Submitted to: | Geysertimes.org |
| Comments: | Eruption start at ~mid-2301. Done at 2304. |