IHW COMET HALLEY ASTROMETRIC DATA, V2.0

The Astrometry Net of the International Halley Watch (IHW) compiled astrometric observations of comet 1P/Halley from observations made by professional astronomers from ground-based observatories all over the world. The data set comprises 6475 astrometric observations over the period 16 Oct 1982 through 9 Jan 1989, in addition to 158 observations from the 1835 apparition and 1696 observations from the 1910 apparition. The data from previous apparitions was re-reduced using modern star catalogs.

Data and Resources

This dataset has no data

Additional Info

Field	Value
Maintainer	Thomas Morgan
Last Updated	July 17, 2025, 17:07 (UTC)
Created	April 1, 2025, 00:07 (UTC)
accessLevel	public
accrualPeriodicity	irregular
bureauCode	{026:00}
catalog_@context	https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id	https://data.nasa.gov/data.json
catalog_conformsTo	https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy	https://project-open-data.cio.gov/v1.1/schema/catalog.json
harvest_object_id	5471187e-f95f-40da-a827-f036433d754b
harvest_source_id	61638e72-b36c-4866-9d28-551a3062f158
harvest_source_title	DNG Legacy Data
identifier	urn:nasa:pds:context_pds3:data_set:data_set.ihw-c-astr-2-edr-halley-v2.0_shu6-z732
issued	2021-05-21
landingPage	https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=IHW-C-ASTR-2-EDR-HALLEY-V2.0
license	http://www.usa.gov/publicdomain/label/1.0/
modified	2023-01-26
programCode	{026:005}
publisher	National Aeronautics and Space Administration
references	{https://pds.nasa.gov}
resource-type	Dataset
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source_hash	2720a165c52fb0cbb52332877031c22ed0082825bf74b5044a6c83ff2952a9d6
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theme	{"Earth Science"}