IC 4997
IC 4997 is a planetary nebula located in the constellation of Sagitta. The ICGC is a catalog of 5,386 nebulae, star clusters, and galaxies. Here are the key stats on IC 4997:
| IC: | IC 4997 |
| Type: | planetary nebula |
| Constellation: | Sagitta |
| V-mag (visual): | 10.5 |
| B-mag (blue): | 11.6 |
| J-mag (IR): | 10.4 |
| H-mag (IR): | |
| K-mag (IR): | 10.4 |
| Right Ascension: | 20:20:08.80 |
| Declination: | 16:43:54.00 |
| Major axis: | 0.03 ' |
| Radial velocity: | -64 km/s |
| Redshift: | -0.00021 |
| PN central star: | HD 193538 |
| PN star V mag: | 14.4 |
| PN star B mag: | 14.4 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS