Humason's Comet, 1961, 40in Refl USNO, Blue Light
| Title | Humason's Comet, 1961, 40in Refl USNO, Blue Light |
| Category | Comets |
| Sub-Category | Alcock, Bennett Ikeya-Seki |
| Date | 1961 |
| Copyright | © Sir Patrick Moore |
| Index Reference | a114 |
| Title | Humason's Comet, 1961, 40in Refl USNO, Blue Light |
| Category | Comets |
| Sub-Category | Alcock, Bennett Ikeya-Seki |
| Date | 1961 |
| Copyright | © Sir Patrick Moore |
| Index Reference | a114 |
