| Geyser | 1974-08-27 |
|---|---|
| Africa | 1200 |
| Constant | 1129, 1131, 1230 |
| Echinus | 0807, 0918, 1032, 1144, 1408, 1508, 1518, 1629, 1741 |
| Little Whirligig | 0850 A, 1134, 1755 |
| Vixen | 0828 A maj |
| Whirligig | 1127, 1752 |
| Values for Old Faithful Area | 1974-08-27 |
|---|---|
| Astronomical Twilight Begin | 04:53 |
| Nautical Twilight Begin | 05:32 |
| Civil Twilight Begin | 06:09 |
| Sunrise | 06:40 |
| Sunset | 20:09 |
| Civil Twilight End | 20:39 |
| Nautical Twilight End | 21:16 |
| Astronomical Twilight End | 21:55 |
| Moon Illumination | 74.41% |