| NGC 604 | bright emission nebula |
| IC 142 | 'starlike knot' |
| A 66 | 'large bright patch' |
| NGC 595 | 'large and bright but masked by core nearby' |
| NGC 592 | 'starlike condensations' |
| NGC 588 | 'prominent, round, not seen in 8-inch telescope' |
| A128 | 'round' |
| Annotations are from Alan Whitman 'Digging Deep in M33. The Triangulum Galaxy is a treasure-trove of subtle beauty', Sky and Telescope, December 2004, pp. 92-95. Whitman listed 29 'distinct glows — emission areas, stellar associations, or combinations of both' (92), but of course there must be hundreds more obscured within the galaxy. |