🔭Astro Transit
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🌌 NGC 2104

Object data

NGC 2104 — sky survey preview (NASA SkyView)
🔭 NASA SkyView sky survey preview
TypeGalaxy
ConstellationPictor
Right ascension5h47m04.6s (86.7690°)
Declination-51°33'10" (-51.5529°)
Magnitudemag 12.73
Apparent size2.12′ × 0.91′
Other designationsNGC 2104

A galaxy in Pictor.

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 3°)

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

It never reaches 15° at this location (maximum altitude at transit: about 3°).
0° 15° 30° 60° 90° SE 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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