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Observations for 2023 August 27


It was foggy in the Lower Geyser Basin, and we arrived by bicycle at Great Fountain while it was in eruption, probably the third series of bursts. Knowing the time of an eruption, decided to attempt to see the next eruption that evening.

In the afternoon, went out ot Grand as the weather was getting worse. Fortunately, and despite a long Turban Delay Interval, got to see the One Burst Grand eruption before the rain.

2023-Aug-27:16:21:21 D0/T1Q

16:20:36	Turban		-0m45s
16:21:14	Boop		-0m07s
16:21:21	Grand B1	---	d=11m23s
16:22:34	Vent Ovfl	1m12s
16:23:45	Vent		2m23s
16:32:44	P1		11m23s
16:33:39	V&T Quit	12m17s

				     	ΣD=11m23s
	* * * * *
15:45:43			d=4m33s 	
		     Turban: 34m52s

The forecast storm never really materialized, so by 19:00, went back to Great Fountain. Arrived to find the water level in the crater out of sight. Over the next hour, as the sun set, the water level would come into sight, only to sink again. After sunset, the overflow had not yet started, so we decided to head back instead of waiting at least another 1-1/2 hours.

The sky had cleared by the time Grand was due to erupt. Waited for an hour's worth of Turban eruptions, then got the One Burst Grand eruption that lasted less than ten minutes. But as we were crossing the bridge, Castle started erupting. For once, a Castle eruption with the moon in the proper location resulted in a major eruption with full arc moonbows starting about the time the eruption turned into steam.

2023-Aug-27:23:17:28 T1C

Yesterday 23:16:43	Turban		-0m45s
Yesterday 23:17:28	Grand B1	---	d=9m52s
Yesterday 23:27:20	P1		9m52s
Vent & Turban continue

				     	ΣD=9m52s
	* * * * *
Yesterday 22:04:41			
Yesterday 22:20:22	Int: 15m41s	d=4m37s 	
Yesterday 22:39:59	Int: 19m37s	d=4m27s 	
Yesterday 22:57:34	Int: 17m35s	d=4m20s 	
		     Turban: 19m09s

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GeyserLog 3.5.1


GeyserLog 3.5.1 is now available on the iOS AppStore.

Field testing of 3.5 found a number of minor issues which have been fixed:

  • The ending time picker for editing notes has been expanded to five lines, which will make it a bit easier to use.
  • Number of bursts can be entered in the Code variable, and displayed. Useful if Plume ever reactivates.
  • The Circle-O button allows filters to be created for non-Yellowstone areas.
  • Added missing Stopwatch button to Grand Wait
  • Added an action for Grand Wait view to manually update the previous Grand eruption time. Useful when the overnight electronic time is finally posted.
  • Fixed duplicate display of Turban ie before arrive in Grand Wait view.