Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| NGC number | Object type | Constellation | Right ascension ( J2000 ) | Declination ( J2000 ) |
| --- | --- | --- | --- | --- |
| 3109.0 | Irregular galaxy | Hydra | 10h03m06.7s | °09′32″ |
| 3110.0 | Spiral galaxy | Leo | 10h04m01.9s | °28′29″ |
| 3115.0 | Lenticular galaxy | Sextans | 10h05m13.8s | °43′08″ |
| 3122.0 | Spiral galaxy | Leo | 10h04m01.9s | °28′29″ |
| 3132.0 | Planetary nebula | Vela | 10h07m01.8s | °26′11″ |
| 3169.0 | Spiral galaxy | Sextans | 10h14m14.7s | °28′01″ |
| 3180.0 | Diffuse nebula | Ursa Major | 10h18m17.0s | °25′26″ |
| 3181.0 | Diffuse nebula | Ursa Major | 10h18m11.5s | °24′46″ |
| 3182.0 | Spiral galaxy | Ursa Major | 10h19m33.3s | °12′20″ |
| 3183.0 | Spiral galaxy | Draco | 10h21m48.9s | °10′40″ |
| 3184.0 | Spiral galaxy | Ursa Major | 10h18m17.0s | °25′26″ |
| 3185.0 | Spiral galaxy | Leo | 10h17m38.7s | °41′17″ |
| 3186.0 | Galaxy | Leo | 10h17m38.0s | °58′16″ |
| 3187.0 | Spiral galaxy | Leo | 10h17m47.9s | °52′24″ |
| 3188.0 | Spiral galaxy | Ursa Major | 10h19m42.8s | °25′25″ |
| 3189.0 | Spiral galaxy | Leo | 10h18m05.6s | °49′52″ |
| 3190.0 | Spiral galaxy | Leo | 10h18m05.6s | °49′52″ |
| 3191.0 | Spiral galaxy | Ursa Major | 10h19m05.2s | °27′17″ |
| 3192.0 | Spiral galaxy | Ursa Major | 10h18m58.4s | °27′16″ |
| 3193.0 | Elliptical galaxy | Leo | 10h18m25.0s | °53′37″ |
| 3194.0 | Spiral galaxy | Draco | 10h17m40.2s | °20′50″ |
| 3195.0 | Planetary nebula | Chamaeleon | 10h09m20.9s | °51′31″ |
| 3196.0 | Galaxy | Leo | 10h18m49.0s | °40′08″ |
| 3197.0 | Spiral galaxy | Draco | 10h14m28.2s | °49′12″ |
| 3198.0 | Spiral galaxy | Ursa Major | 10h19m54.8s | °33′01″ |
| 3199.0 | Diffuse nebula | Carina | 10h16m32.8s | °56′02″ |
| 3200.0 | Spiral galaxy | Hydra | 10h18m36.4s | °58′57″ |
Question:
what is the constellation when the Right ascension ( J2000 ) is 10h18m58.4s?
Answer:
Ursa Major