IC 1644
IC 1644 is a H II region located in the constellation of Tucana. The ICGC is a catalog of 5,386 nebulae, star clusters, and galaxies. Here are the key stats on IC 1644:
| IC: | IC 1644 |
| Type: | H II region |
| Constellation: | Tucana |
| V-mag (visual): | 11.7 |
| J-mag (IR): | 12.0 |
| H-mag (IR): | |
| K-mag (IR): | 11.9 |
| Right Ascension: | 01:09:13.01 |
| Declination: | -73:11:38.80 |
| Major axis: | 0.8 ' |
| Minor axis: | 0.65 ' |
| Angle (major axis): | 40° |
| Radial velocity: | 166 km/s |
| Redshift: | 0.000554 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS