NGC 6643 — midnight transit date and best time to observe

Object data

A galaxy in Draco.

Location: Tokyo (change)

🗓️

Around Jun 22, 2026

The date it transits around midnight (transit altitude about 51°)

This date has already passed this year. Next year (2027) it will be around Jun 23.

For about 2–3 weeks either side of this date, the object stays high from evening to dawn — its observing season.

Tonight (Oct 12 evening – Oct 13 dawn) · Location: Tokyo (full darkness = end of astronomical dusk to start of dawn, altitude ≥ 15°)

🌒 Moon tonight: Waxing crescent (age 1.1 days, 1% illuminated) — Little moonlight — a good time for faint objects

🔭

Oct 12 18:35 – Oct 13 4:20

Hours of full darkness (end of astronomical dusk to start of dawn) when it is above 15° — the darkest sky, mostly clear of buildings and trees.

Night (sunset – sunrise) Full darkness (dusk – dawn) Moon up (darker = brighter moon) Best time to observe (thick line) Now

Sunset 17:10 → Dusk 18:35 → Dawn 4:20 → Sunrise 5:45

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