NGC 4102
A spiral galaxy in Ursa Major with a bright, busy core that keeps forming new stars.

Spiral galaxy NGC 4102
Image: ESA/Hubble & NASA · CC BY 4.0 (opens in a new tab)
NGC 4102 is about 55 million light-years away. Most of its new stars are being born close to its centre, which makes the core glow so brightly.
Key facts
- Type
- Spiral galaxy
- Distance
- About 55 million light-years
- Constellation
- Ursa Major