Mon 10 August · Kos

A dark-sky window opens.

Properly dark 21:4504:46 · 7h 1m

waning crescent · 6% lit · 6h 44m of moon-free darkness

19212301030507

How we’d play it

A genuinely dark window — galaxies and nebulae are on the menu, and Saturn is well-placed for the eyepiece. The kind of night we plan a full session around.

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Worth looking at

  • SaturnBest 04:46High in the south — 56° just before dawn (04:46), still rising as the sky brightens.rises 22:38sets 11:02highest 04:46 (56°)
  • MarsBest 04:46Low in the east, still climbing when the sky brightens at 04:46 — only 25°.rises 02:31sets 17:11highest 04:46 (25°)
  • VenusBest 20:08Low in the west — 22° as darkness falls (20:08), then dropping, a bright twilight object.rises 10:11sets 22:00highest 20:08 (22°)
  • MercuryBest 06:24Just catchable low before dawn in the east — a tricky one.rises 05:04sets 19:18highest 06:24 (14°)
  • JupiterBest 06:24Low in the east, still climbing when the sky brightens at 06:24 — only 8°, a bright twilight object.rises 05:38sets 19:38highest 06:24 (8°)
Twilight stages & sun times +
  • Sunset20:08
  • Civil twilight ends20:36
  • Nautical twilight ends21:09
  • Fully dark21:45
  • First light04:46
  • Nautical twilight (dawn)05:22
  • Civil twilight (dawn)05:56
  • Sunrise06:24

All times EEST (local). Moon-free windows: 21:45–04:30.

Sun, Moon & planet altitude +
+60°+30°-30°19212301030507

Altitude across the night (EEST), sunset to sunrise. A target is easy to observe when its curve is high during the shaded dark band. Tap “show planets” to overlay them.

Not tonight?

Darker nights suit galaxies and nebulae. The Moon thins out toward the end of the week.

  1. Tonight64%
  2. Wed53%
  3. Thu41%
  4. Fri30%
  5. Sat20%
  6. Sun11%
  7. Mon5%

Coming up

  • Perseids meteor showerWed 12 August · Peak night. The summer favourite — up to ~100/hour, warm nights.in 2 days
  • Total solar eclipseWed 12 August · Only visible along a narrow track on Earth — check whether it passes near you (never look at the Sun unprotected).in 2 days
  • Partial lunar eclipseFri 28 August · A shadow crosses part of the Moon — visible wherever the Moon is up at the time.in 17 days
  • Orionids meteor showerWed 21 October · Peak night. Halley’s Comet again, ~20/hour.in 10 weeks
  • Leonids meteor showerTue 17 November · Peak night. Fast and bright, ~15/hour.in 14 weeks
Show essentials

We bring the telescope, and we read the sky for you — so the night lands on the right hour.

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