Lynd 1721 nebula
Lynd 1721 (LDN 1721) is a dark nebula located in the constellation of . Lynd's Catalog of Dark Nebula contains 1,700 dark nebulae. This catalog complements the Barnard Catalogue, with the nearby Barnard nebula listed if applicable. Here are the key stats on LDN 1721:
| Lynd #: | LDN 1721 |
| Barnard: | B40 |
| Right Ascension: | 16:15.9 |
| Declination: | -19:07:00 |
| Area (square degrees): | 0.287°2 |