IHW Specialist Members
| Title | IHW Specialist Members |
| Category | Comets |
| Sub-Category | Halley Stamps, Organisation |
| Description | International Halley Watch Specialist Members |
| Copyright | © Sir Patrick Moore |
| Keywords | halley's comet |
| Index Reference | a332 |
| Title | IHW Specialist Members |
| Category | Comets |
| Sub-Category | Halley Stamps, Organisation |
| Description | International Halley Watch Specialist Members |
| Copyright | © Sir Patrick Moore |
| Keywords | halley's comet |
| Index Reference | a332 |
