🔭Astro Transit
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💫 IC 2144

Object data

TypeEmission nebula
ConstellationTaurus
Right ascension5h50m13.9s (87.5580°)
Declination+23°52'21" (+23.8724°)
Magnitude(no magnitude data)
Apparent size1′ × 1′
Other designationsIC 2144

An emission nebula in Taurus.

Midnight transit date (best season to observe and image)

Location: Tokyo (change)

🗓️
Around Dec 14, 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 16 evening – Oct 17 dawn) · Location: Tokyo (full darkness = end of astronomical dusk to start of dawn, altitude ≥ 15°)

🌒 Moon tonight: Waxing crescent (age 4.7 days, 23% illuminated)

🔭
Oct 16 21:57 – Oct 17 4:23

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 SE SW S N W 17:05 20:14 23:23 2:32 5:41
Night (sunset – sunrise) Full darkness (dusk – dawn) Moon up (darker = brighter moon) Best time to observe (thick line) Now

Sunset 17:05 → Dusk 18:29 → Dawn 4:23 → Sunrise 5:48

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