This section describes the predefined codes describing the object classifications.
Classification Codes for GSC 1
| Classification/Quality Code | Description | Notes |
|---|---|---|
| 0x | Star | Quality code x (0=guess, 1=possible, 2=probable, 3=sure) |
| 1x | Galaxy | |
| 22 | Blend | N.B. 20 used for reclassified bright star defects |
| 3x | Non-Star | galaxies/blends/defects/etc |
| 4 | Unclassified | |
| 5 | Artifact |
Classification Codes for GSC 2/3
| Classification Code | Description |
|---|---|
| 0 | Star |
| 1 | Galaxy |
| 2 | Blend |
| 3 | Non-Star |
| 4 | Unclassified |
| 5 | Defect |