109 231
- Unique Name: 109 231
- RA: 17 45 19.964
- Dec: -00 25 51.60
- Mag. V: 9.333
- Mag. B-V: 1.465
- Mag. U-B: 1.591
- Mag. V-R: 0.787
- Mag. R-I: 0.705
- Mag. V-I: 1.494
- N: 90.0
- M: 65.0
- Mean error of the mean V: 0.001
- Mean error of the mean B-V: 0.001
- Mean error of the mean U-B: 0.002
- Mean error of the mean V-R: 0.0
- Mean error of the mean R-I: 0.001
- Mean error of the mean V-I: 0.001