In this photo of 15 February 2009, at 18:52, you can 'see the phase of Venus.
This planet orbits the Sun closer than the Earth and then in practice we can never see it fully lit: its surface and 'fully illuminated by the Earth's perspective, only when it moves in its orbit, is on the opposite side of the sun. But in these conditions is not 'can see it because' it is above the horizon only during the day or when the sky 'is still very bright.
For this reason, observed through a telescope, Venus has phases h and do resemble the Moon, and with the difference that 'much more' small, because it 's a lot more' remote, and not 'possible to see any detail of its surface, since' has a dense atmosphere that reflects the light making it appear white . The photos and
'was performed in a rather hasty with a Meade ETX-90 and a little camera, and it' s a bit overexposed to make more 'bright and contrasted the image. In addition, air turbulence, also due to the wind as well as heat, it disturbs the image.
The blue color at the top (and that 'the dividing line between day and night) and the orange on the bottom edge are typical chromatic aberration due the optics of the telescope. Below is an enlargement of a portion of the photo above, to highlight the aberration.
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