Within two weeks, Rebmann and his guide were within sight of the mountain. He noted in his journal the strange white on the summit of Kilimanjaro, and he questioned his guide on what he thought it was. According to Rebmann's log, the guide 'did not know what it was, but supposed it was coldness'. It was then that Rebmann realised that Kilimanjaro was in fact capped in snow. In 1849, these observations were published, but the findings were not truly accepted by most of the scientific community at the time and even deemed as the result of hallucinations induced by malaria. On November 10, 1848, Rebmann recorded an entry in his log about the mountain: