On Wednesday evening, 16 June, Mercury was still visible and accompanied by the crescent moon during twilight.
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| Mercury (circled) and the Moon. Olympus 40-150mm f/4. |
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| Mercury (center) 1:1 crop. Olympus 40-150mm |
Near midnight, long after the moon had set, I imaged the Milky Way with an OM 20mm f/1.4 lens.
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| 3x3 median digital filter |
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| Summer Triangle, 3x3 median digital filter |
These are the same two scenes with a physical Hoya Sparkle-6 filter:
A more southerly view:
The layers of green and purple airglow are mostly invisible to the unaided eye and simply present as a vague brightening toward the horizon.
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