IHW Comet Halley Infrared Photometry: 2,204 Observations from 1984-1988

NASA's International Halley Watch archive contains infrared photometry data on Comet Halley. The dataset includes 2,204 observations submitted by scientists, spanning from September 14, 1984, to April 8, 1988. Data were collected by the Infrared Studies discipline network and augmented by spacecraft measurements.

Use Cases

• Analyzing temporal changes in comet brightness based on the 2,204 observations over nearly four years.
• Studying comet composition and dust properties based on infrared photometry data.
• Correlating ground-based infrared observations with spacecraft measurements mentioned in the description.
• Modeling comet activity and nucleus phenomena using the long-term observation record.

Strengths

• Contains 2,204 individual observations, providing a substantial sample size.
• Covers a long temporal range from September 1984 to April 1988.
• Data is part of a curated NASA archive with specialist team evaluation.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is known, but data format and specific features are unknown.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Observations submitted by scientists to the International Halley Watch (IHW) and evaluated by Discipline Specialist Teams.

Time Range

1984-09-14 to 1988-04-08

Freshness

Last updated 2026-03-13 11:56:09.685242; freshness should be verified.

Geography

Likely global observations, but specific locations are unknown.