Monday 2026-11-02

Wind Cave National Park

Hot Springs, SD

41 Poor conditions. Moon up after 12:22am, 98% cloud.

Astronomical darkness 6:22pm–4:56am (10.56h)

Milky Way core only reaches 2.7°, low enough that haze takes most of it.

Why

Cloud	0	98% cloud, mostly high cirrus, thin to the eye but ruinous for photography
Moon	88	last quarter at 35%, rises 12:22am, dark before that
Darkness	100	10h34m of astronomical darkness, 6:22pm–4:56am
Transparency	23	Dewpoint spread 4.3°C, some haze possible
Targets	0	Orionids running, about 0 an hour at best