Details on Acronym: Cn | |
| Cn | (Cannon) |
| Write: | <<PN Cn 1-N>> <<PN Cn 2-N>> <<PN Cn 3-N>> |
| N: | 6+1+1 |
| Object: | PN (SIMBAD class: PlanetaryNeb = Planetary Nebula) |
| Note: | List 1: format '1-N', N=6. List 2: Cn 2-1 = PN G356.2-04.4 = PK 356-4 1. List 3: Cn 3-1 = PN G038.2+12.0 = PK 038+12 1. |
| Ref: | =1921HarCi.224....1C |
| by | CANNON A.J. |
| Harvard Circ., 224, 1-None (1921) | |
| Stars having peculiar spectra. 16 new variable stars. | |
| o | <PN Cn 1-N> N=6 |
| Ref: | =1923BHarO.784....1C |
| by | CANNON A.J. |
| Harvard Bull., 784, 1-None (1923) | |
| New planetary nebula. | |
| o | <PN Cn 2-N> (No. 2-1). |
| Ref: | =1926BHarO.837....2C |
| by | CANNON A.J. |
| Harvard Bull., 837, 2-None (1926) | |
| Peculiar spectra. | |
| o | <PN Cn 3-N> (No. 3-1). |