sunset shots, big difference between boreal forest (above) and tropical ocean (below) sunsets, mainly due to the superior mirage caused by inversion layers in Alaska vs. inferior mirage like hot surface road mirage in Hawaii. Green flashes were seen both sunsets but different timing.

In some place on tropical mountain, freeze-thaw cycles are over 200 times per year, stones are mass wasting 23-180cm recorded during 52years of monitoring periods, probably longest record and keep going…

https://www.tandfonline.com/doi/full/10.1080/15230430.2023.2186485

https://www.tandfonline.com/doi/full/10.1080/15230430.2023.2186485

well…this is the comet ZTF early this morning. Little brighter than last week (very little), unfortunately, almost no tail to see today (shape of the tail changes everyday).

we can see sunspot during sunset!! Then calucurate Sun’s axis