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✨ M45 (Pleiades)

Object data

M45 (Pleiades) — photo by the site owner
📸 Photo by the site owner View on astro.wooder.info (Japanese) →
TypeOpen cluster
ConstellationTaurus
Right ascension3h47m24.0s (56.8500°)
Declination+24°07'00" (+24.1167°)
Magnitudemag 1.6
Apparent size120′

The Pleiades in Taurus — an open cluster loved since ancient times; in Japan it is called Subaru.

Midnight transit date (best season to observe and image)

Location: Tokyo (change)

🗓️
Around Nov 13, 2026

The date it transits around midnight (transit altitude about 78°)

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

Best time to observe tonight

Tonight (Oct 11 evening – Oct 12 dawn) · Location: Tokyo (full darkness = end of astronomical dusk to start of dawn, altitude ≥ 15°)

🌑 Moon tonight: New moon (age 29.2 days, 0% illuminated) — Little moonlight — a good time for faint objects

🔭
Oct 11 20:13 – Oct 12 4:19

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.

0° 15° 30° 60° 90° E NE W SE SW S 17:11 20:17 23:23 2:29 5:35
Night (sunset – sunrise) Full darkness (dusk – dawn) Moon up (darker = brighter moon) Best time to observe (thick line) Now

Sunset 17:11 → Dusk 18:36 → Dawn 4:19 → Sunrise 5:44

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