| Feature | K Ca II | H |
G band (CH) | H |
H |
Mg I |  |
 |
| Windows (Å) | 3908-3952 | 4082-4124 | 4284-4318 | 4318-4364 | 4846-4884 | 5156-5196 | ||
| Cluster | ||||||||
| NGC 1804 | 1.9 | 7.7 | 1.1 | 8.1 | 6.0 | 1.4 | 21.8 | 4.4 |
| NGC 1839 | 4.7 | 8.6 | 1.7 | 8.7 | 7.2 | 1.1 | 24.5 | 7.5 |
| SL 237 | 0.7 | 6.5 | 1.3 | 6.4 | 4.3 | 3.4 | 17.2 | 5.4 |
| NGC 1870 | 2.5 | 7.8 | 0.2 | 7.0 | 6.6 | 1.5 | 21.4 | 4.2 |
| NGC 1894 | 4.5 | 6.8 | 1.9 | 6.2 | 4.6 | 2.5 | 17.6 | 8.9 |
| NGC 1902a | 2.9 | 7.6 | 2.0 | 8.4 | 5.9 | 2.2 | 21.9 | 7.1 |
| NGC 1902 | 1.9 | 9.0 | 2.5 | 9.6 | 6.1 | 2.7 | 24.7 | 7.1 |
| NGC 1913 | 2.4 | 5.7 | 0.8 | 5.0 | 3.9 | 2.0 | 14.6 | 5.2 |
| NGC 1932 | 6.4 | 5.2 | 2.2 | 5.5 | 4.9 | 2.2 | 15.6 | 10.8 |
| NGC 1943 | 4.7 | 8.9 | 1.3 | 7.5 | 4.0 | 2.0 | 20.4 | 8.0 |
| NGC 1940 | 3.6 | 8.2 | 0.7 | 7.9 | 6.3 | 2.2 | 22.4 | 6.5 |
| NGC 1971 | 3.3 | 8.3 | 1.1 | 8.3 | 6.3 | 1.5 | 22.9 | 5.9 |
| SL 508 | 3.4 | 8.5 | 1.1 | 7.0 | 5.5 | 2.7 | 21.0 | 7.2 |
| NGC 2038 | 1.9 | 8.3 | 0.9 | 7.8 | 5.7 | 2.1 | 21.8 | 4.9 |
| SL 709 | 3.2 | 3.9 | 3.7 | 8.8 | 5.5 | 7.0 | 18.2 | 13.9 |
| SL 709b | 3.2 | 7.1 | 3.0 | 6.9 | 6.8 | 6.2 | 20.8 | 12.4 |
| NGC 2118 | 1.3 | 8.9 | 0.8 | 8.8 | 7.2 | 1.3 | 24.9 | 3.4 |
| NGC 2130 | 1.3 | 7.4 | 2.2 | 5.1 | 5.1 | 1.7 | 17.6 | 5.2 |
| NGC 2135 | 2.8 | 9.7 | 1.9 | 9.1 | 6.6 | 1.6 | 25.4 | 6.3 |
|
a Larger areal extraction than that for NGC 1902. b Bright star subtracted from SL 709 integrated spectrum. |