🌑 LDN 1421
Object data
| Type | Dark nebula |
|---|---|
| Constellation | Perseus |
| Right ascension | 4h32m52.8s (68.2200°) |
| Declination | +52°01'20" (+52.0221°) |
| Magnitude | (no magnitude data) |
| Apparent size | 6.42′ |
| Other designations | LDN 1421 |
A Lynds dark nebula in Perseus. Opacity class 5 (1 = faintest to 6 = darkest).
Midnight transit date (best season to observe and image)
Location: Tokyo (change)
The date it transits around midnight (transit altitude about 74°)
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 15 evening – Oct 16 dawn) · Location: Tokyo (full darkness = end of astronomical dusk to start of dawn, altitude ≥ 15°)
Moon tonight: Waxing crescent (age 3.8 days, 16% 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 17:06 → Dusk 18:31 → Dawn 4:23 → Sunrise 5:47