Observation by David Arditti: Venus night-side 2017 March 02

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Observer

David Arditti

Observed

2017 Mar 02 - 18:36

Uploaded

2017 Mar 03 - 02:25

Objects

Venus

Equipment

356mm SCT f/11
PointGrey Grasshopper 3 camera
990nm Asahi long-pass filter

Exposure

2s exposures for 4 minutes; best 75% stacked

Location

Edgware, Middlesex, UK

Target name

Venus

Title

Venus night-side 2017 March 02

About this image

The night side of Venus can be observed to glow thermally in a window in which the venusian atmosphere is transparent around 1000nm. It is necessary to greatly over-expose the bright crescent to show this, as I have done here. Some small contrasts can be seen on the night side and comparison with the relief map suggests the darker areas may correspond to the depressed areas of Sedna Planitia and Guinevere Planitia (purple areas in the relief map).

Files associated with this observation

ven2017-03-02-DLA.jpg (197.9 kB)

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