M109 (NGC 3992)
Also known as M109 · M 109 · NGC 3992
M109 (NGC 3992) is a galaxy in the constellation Ursa Major, about 77.3 million light-years from Earth.
Facts
| Type | Galaxy (shape SB) |
|---|---|
| Constellation | Ursa Major |
| Position (J2000) | 11h 57m 35s, +53° 22′ |
| Distance | 77.3 million light-years (its light set off about 77.3 million years ago) |
| Brightness | magnitude 9.88 (smaller is brighter; the faintest stars the eye sees are about 6) |
| Size on the sky | 8.2′ × 4.6′ (the full Moon is about 31′) |
| Filter | No filter (It shines in starlight of every colour, so a nebula filter would only dim it; a dark sky helps more.) |
| Redshift | z = 0.0035 |
| Studied in | 485 scientific papers (SIMBAD) |
When and how to see it
M109 (NGC 3992) is highest in the sky at midnight in March. From India (about 20° N) it climbs to about 57° above the horizon; from 50° N, to about 87°. To see it you need a small telescope.
Heights are worked out for India and for 50° N. Set your location in Settings to see them for where you are.
For tonight's best time from your own town, the darkness and the Moon, open it on the map and see its "Tonight from your location" card.
More in Ursa Major
- Bode's Galaxy (M81)
- Cigar Galaxy (M82)
- Markarian 421
- Owl Nebula (M97)
- Pinwheel Galaxy (M101)
- Surfboard Galaxy (M108)
- Twin Quasar
- Winnecke 4 (M40)
Everything in Ursa Major · All 88 constellations · All sky objects
Data: SIMBAD (CDS, Strasbourg; the site's weekly copy) · OpenNGC · Data sources & credits