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| Ion | LTE levels | NLTE levels | Lines |
| H I | 6 | 10 | 45 |
| H II | - | 1 | - |
| He I | 15 | 29 | 61 |
| He II | 24 | 8 | 28 |
| He III | - | 1 | - |
| C I | 14 | 7 | 4 |
| C II | 4 | 38 | 160 |
| C III | 9 | 58 | 329 |
| C IV | 49 | 9 | 17 |
| C V | 0 | 1 | 0 |
| N I | 15 | 12 | 15 |
| N II | 4 | 17 | 21 |
| N III | 38 | 7 | 5 |
| N IV | 78 | 16 | 30 |
| N V | 8 | 54 | 297 |
| N VI | 0 | 1 | 0 |
| O I | 12 | 1 | 0 |
| O II | 14 | 29 | 82 |
| O III | 8 | 36 | 42 |
| O IV | 58 | 11 | 5 |
| O V | 15 | 6 | 4 |
| O VI | 0 | 1 | 0 |
| Si II | 5 | 25 | 28 |
| Si III | 17 | 17 | 27 |
| Si IV | 11 | 28 | 49 |
| Si V | 44 | 15 | 20 |
| Si VI | 0 | 1 | 0 |
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