| Date: | 2020-08-13 |
| Time: | 0855 |
| Geyser: | Grotto |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | >11h53m |
| Standardized Duration: | >11h 53m |
| Time Entered: | 2020-08-13 08:56:10 |
| Time Updated: | 2020-08-14 06:59:37 |
| Time Uploaded: | 2020-08-14 06:59:38 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | marathon; still ie 0951, 1116, 1202, 1300, 1400, 1528, 1634, 1721, 1800, 1909, 1933 (last observed live), (overnight captures) 2000, 2048 |