🌌 C24 (Perseus A)
Object data
| Type | Galaxy |
|---|---|
| Constellation | Perseus |
| Right ascension | 3h19m48.0s (49.9500°) |
| Declination | +41°31'00" (+41.5167°) |
| Magnitude | mag 11.6 |
| Apparent size | 3.2′ × 2.6′ |
| Other designations | NGC 1275 |
A giant elliptical galaxy in Perseus, a radio galaxy at the center of the Perseus Cluster.
Midnight transit date (best season to observe and image)
Location: Tokyo (change)
The date it transits around midnight (transit altitude about 84°)
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
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.
Sunset 17:11 → Dusk 18:36 → Dawn 4:19 → Sunrise 5:44