Sporting a ghostly tail, Comet Tsuchinshan-ATLAS is steeped in twilight color on Oct. 11 50 minutes after sunset. Exposure details: 600mm lens, f/6.3, ISO 1600 and a 0.4-second time-exposure.
Although it was difficult to spot Comet Tsuchinshan-ATLAS in the morning sky last month, we'll see it at its best in mid-October starting in evening twilight. Over the course of the month, the comet ...
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