| Date: | 2023-03-19 |
| Time: | 2138 |
| Geyser: | Lion |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2023-03-20 08:13:00 |
| Time Updated: | 2023-03-20 08:16:15 |
| Time Uploaded: | 2023-03-20 08:16:14 |
| Entrant: | JarnoO |
| Observer: | GOSA Overnight Captures |
| Submitted to: | Geysertimes.org |
| Comments: | not initial - per daytime captures it appeared to be working towards an initial prior to Old Faithful's 2022 eruption |