🌑 LDN 728
Object data
| Type | Dark nebula |
|---|---|
| Constellation | Sagitta |
| Right ascension | 19h09m09.4s (287.2890°) |
| Declination | +21°04'53" (+21.0815°) |
| Magnitude | (no magnitude data) |
| Apparent size | 67.7′ |
| Other designations | LDN 728 |
A Lynds dark nebula in Sagitta. 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 75°)
This date has already passed this year. Next year (2027) it will be around Jul 5.
For about 2–3 weeks either side of this date, the object stays high from evening to dawn — its observing season.
Next best time to observe
Tomorrow night (Oct 14 evening – Oct 15 dawn) · Location: Tokyo (full darkness = end of astronomical dusk to start of dawn, altitude ≥ 15°)
There is no good time left tonight, so the next chance — tomorrow night (Oct 14 evening – Oct 15 dawn) — is shown.
Moon tonight: Waxing crescent (age 2.9 days, 9% 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 17:07 → Dusk 18:32 → Dawn 4:22 → Sunrise 5:47