🌠 International Halley Watch Archive

Observations from 1985-1986, preserved for 2061

Halley's Comet Returns

Countdown: 34 Years 10 Months 10 Days 1 Hours 23 Minutes 21 Seconds

Distance to Earth: 34.701860 AU (5191324402 km)

Last updated: 2026-09-29T22:36:38.419292Z

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Search for observations by date range, solar distance, discipline, or observer name. At least one search criterion is required.

Format: YYYY-MM-DD (e.g., 1986-02-09)
Format: YYYY-MM-DD (e.g., 1986-03-15)
Distance from Sun in Astronomical Units (AU). Perihelion (< 1 AU) · Near perihelion (0.5-1.5 AU) · All distances
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Quick date ranges: Sep-Dec 1985 · Jan-Mar 1986 · Apr-Jun 1986