LDN 1617
LDN 1617 is a region, indicated by a box, located on the top of Orion B Molecular Cloud.

HOPS Sources LDN 1617 region
| Source | Lbol (L⊙) | Tbol (K) | Class | Number of components |
| HH270VLA1 | 7.3 | 32.0 | 0 | 3 |
| HH270mms1 | 7.7 | 72.0 | I | 2 |
| HH270mms2 | 4.6 | 249.0 | Flat | 1 |
| HH111MMS | 22.0 | 78.0 | I | 2 |
Lbol, Tbol and Class from Furlan et al. (2016).