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STS064-116-064 (20 Sept. 1994) --- Near the end of the mission, the crew aboard space shuttle Discovery was able to document the beginning of the second day of activity of the Rabaul volcano, on the east end of New Britain. On the morning of Sept. 19, 1994, two volcanic cones on the opposite sides of the 6-kilometer sea crater had begun to erupt with very little warning. Discovery flew just east of the eruption roughly 24 hours after it started and near the peak of its activity. New Ireland, the cloud-covered area in the foreground, lies just east of Rabaul harbor. The eruption, which sent a …