🌌 IC 1055
Object data
| Type | Galaxy |
|---|---|
| Constellation | Libra |
| Right ascension | 14h47m25.8s (221.8575°) |
| Declination | -13°42'58" (-13.7161°) |
| Magnitude | mag 13.12 |
| Apparent size | 2.26′ × 0.76′ |
| Other designations | IC 4491 |
A galaxy in Libra.
Midnight transit date (best season to observe and image)
Location: Tokyo (change)
Around Apr 29, 2026
The date it transits around midnight (transit altitude about 41°)
This date has already passed this year. Next year (2027) it will be around Apr 30.
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 10 evening – Oct 11 dawn) · Location: Tokyo (full darkness = end of astronomical dusk to start of dawn, altitude ≥ 15°)
Moon tonight: Waning crescent (age 28.6 days, 1% illuminated) — Little moonlight — a good time for faint objects
It does not reach 15° during full darkness tonight (it is high only in daytime or twilight at this time of year).
Night (sunset – sunrise)
Full darkness (dusk – dawn)
Moon up (darker = brighter moon)
Best time to observe (thick line)
Now
Sunset 17:13 → Dusk 18:37 → Dawn 4:19 → Sunrise 5:43