| Ion | Ioniz. | Lines | Observed |
 |
| pot. (eV) | used | ratio | (K) | |
| [N II] | 14.5 | 5755/6584 | 0.0171 | 9900 |
| [S III] | 23.3 | 6312/18.7 | 0.036 | 9100 |
| [S III] | 23.3 | 9531/18.7 | 1.73 | 9600 |
| [Ar III] | 27.6 | 7136/8.99 | 1.075 | 9400 |
| [N III] | 29.6 | 1750/57.3 | 0.053 | 8900 |
| [O III] | 35.1 | 4363/5007 | 0.00498 | 9350 |
| [O III] | 35.1 | 1663/5007 | 0.00283 | 8600 |
| [O III] | 35.1 | 5007/51.8 | 4.43 | 8550 |
| [Ne III] | 41.0 | 3868/15.5 | 0.447 | 9100 |