| Geyser | 1990-07-26 |
|---|---|
| Echinus | 0825 A, 0930, 1030, 1133, 1240, 1359, 1505 maj |
| Fireball | 1357 |
| Yellow Funnel Spring | 1200 |
| Values for Old Faithful Area | 1990-07-26 |
|---|---|
| Astronomical Twilight Begin | 03:55 |
| Nautical Twilight Begin | 04:46 |
| Civil Twilight Begin | 05:29 |
| Sunrise | 06:03 |
| Sunset | 20:55 |
| Civil Twilight End | 21:29 |
| Nautical Twilight End | 22:13 |
| Astronomical Twilight End | 23:03 |
| Moon Illumination | 19.41% |