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• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 05:32 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 08:05 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 07:34 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 07:59 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:28 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 07:53 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 05:09 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:53 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:43 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:36 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 05:42 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:09 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 05:37 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: September 14, 2025 at 07:43 AM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 05:10 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:53 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 05:32 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: September 02, 2025 at 11:43 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 17, 2025 at 06:09 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.

• Organization: National Aeronautics and Space Administration
• Updated: 2025-07-17 | Harvested: July 18, 2025 at 05:27 PM

In preparation for the concerted international study of Comet Halley, the IHW conducted a trial run with observations of Comet Crommelin, largely during February and March of 1984.