Sunday, December 18, 2005

Venus observed!

I've just realised my long-term ambition to see Venus in daylight. I spotted it in full afternoon sunlight, only 37 degrees from the Sun. I did have to use binoculars to locate it first, but it was easily visible with the naked eye after that.

Shallow says: Take extreme care using binoculars for daytime astronomy. Ideally you should make sure that the Sun is hidden from you by a wall or building.

Incidentally this observation was made through a double glazed window.

Time 1440 UTC
Alt/Azimuth 17/184 deg
Elongation 37 deg
Magnitude -3.9
Limiting magnitude calculation (elev 20m, temp 39 F, RH 69%) -3.2

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