Dawn on Mercury (HR - possible True Colors; credits: Lunexit)

The first image taken following MESSENGER’s closest distance to Mercury (PIA11352) during the mission’s recent flyby was a Wide Angle Camera (WAC) image. The image shown here is the first NAC image acquired after closest approach, and since the resolution of the NAC is a factor of seven higher than that of the WAC, this image is the highest-resolution image obtained during MESSENGER’s second Mercury flyby.
The image was taken near local dawn, so the shadows are long and many features are shrouded in darkness. The right side of this image overlaps with the left side of the previously released close-up view of Machaut crater (see PIA11249), which was taken just 5" later than this image. This portion of Mercury’s Surface is heavily cratered, with small craters visible down to the limits of even this highest-resolution image.

Date Acquired: October 6, 2008
Image Mission Elapsed Time (MET): 131770803
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Resolution: 100 meters/pixel (0,06 miles/pixel)
Scale: This image is about 100 Km (approx. 63 miles) across
Spacecraft Altitude: approx. 3800 Km (about 2400 miles)