List of protoplanetary nebulae
From Wikipedia, the free encyclopedia
| Name | Messier Catalogue | NGC | Other designation | Date discovered | Distance (ly) |
|---|---|---|---|---|---|
| Boomerang Nebula | Centaurus Bipolar Nebula | About 5,000 | |||
| Calabash Nebula | OH231.8+4.2 | About 4,200 | |||
| Egg Nebula | CRL 2688 | 1996 | About 3,000 | ||
| Frosty Leo Nebula | IRAS 09371+1212 | About 3,000 | |||
| Red Rectangle Nebula | HD 44179 | 1973 | 2,300 ± 300 | ||
| Gomez's Hamburger | IRAS 18059-3211 | 1985 | |||
| Cotton Candy Nebula | IRAS 17150-3224 | ||||
| Water lily nebula | IRAS 16594-4656 | ||||
| Red Square Nebula | MWC 922 |
