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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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    Observing crescent Venus

    Just that the ambient light level was still relatively high when trying to spot Mercury. The view in that situation would of course have been better with the scope. Venus' illumination and albedo are higher than the Earth's, so if one tries to observe in a dark sky, as I had done previously, the...
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    Observing crescent Venus

    Venus orbits the Sun in 225 days inside the Earth's orbit, so it can only be seen as a crescent near dusk or dawn. Open to correction here, but it's probably about to overtake the Earth on the inside, hence thinning crescent. As Arthur points out, the planets are best viewed in twilight. Venus...
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