Which comet was last discovered by the naked eye from the Earth in 1986?

Explanation

To answer the question "Which comet was last discovered by the naked eye from the Earth in 1986?" we can follow these steps:

### Step 1: Identify the year in question
The question specifies the year 1986. We need to focus on events related to comets that occurred in that year.

**Hint:** Think about significant astronomical events or discoveries that happened in 1986.

### Step 2: Recall famous comets
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