| Date: | 2021-04-19 |
| Time: | 1542:29 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m41s |
| Standardized Duration: | 4m 41s |
| Time Entered: | 2021-04-19 15:42:50 |
| Time Updated: | 2021-04-19 15:51:19 |
| Time Uploaded: | 2021-04-19 15:51:19 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | prediction GT 1542 | NPS 1540; followed by spray for another 17s |