| Date: | 2020-08-01 |
| Time: | 1912 ie |
| Geyser: | Grotto |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | >34h00m |
| Standardized Duration: | >1d 10h 0m |
| Time Entered: | 2020-08-01 19:12:33 |
| Time Updated: | 2020-08-03 08:27:59 |
| Time Uploaded: | 2020-08-03 08:27:59 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | not ie 1844; marathon; still ie (per daytime & overnight captures) 2000, 2100, 2200, 2300. See 0048 note 2020-08-02 for more ie times. Still ie 0512 2020-08-03. Possible done by 0656, definitely by 0720. |