🌑 LDN 1561
Object data
| Type | Dark nebula |
|---|---|
| Constellation | Orion |
| Right ascension | 4h50m47.4s (72.6975°) |
| Declination | +12°17'04" (+12.2844°) |
| Magnitude | (no magnitude data) |
| Apparent size | 35.44′ |
| Other designations | LDN 1561 |
A Lynds dark nebula in Orion. Opacity class 1 (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 67°)
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