Rosetta Blog | May 2012

Science , Operations 07 May, 2012 16:45

Herschel Image of the Day: Lutetia in colour

Herschel Image of the Day: Lutetia in colour. SPIRE's image of Lutetia taken during the Rosetta encounter. twitter.com/ESAHerschel/st…

— ESA Herschel (@ESAHerschel) May 7, 2012

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This image was taken by Rosetta’s navigation camera (NAVCAM) right after Rosetta’s closest approach to Earth. The picture was taken at 21:58 CET on 13 November, as Rosetta’s second Earth swing-by concluded, while the spacecraft was flying at a height of about 5343 km directly above 78.74° west and 63.12° south.

Credits: ESA

Rosetta’s navigation camera (NAVCAM) took this shot of Earth right after Rosetta’s closest approach to our planet. The picture was taken at 22:56 CET on 13 November, as Rosetta’s second Earth swing-by concluded, while the spacecraft was flying at a height of about 6250 km from the surface.

Credits: ESA

This picture of the Moon was taken by Rosetta’s navigation camera (NAVCAM) right after the comet chaser’s closest approach to our planet. The picture was taken at 00:10 CET on 14 November, as Rosetta’s second Earth swing-by concluded, while the spacecraft was flying at a height of about 6250 km from the surface.

Credits: ESA

This is a composite of four images combined to show the illuminated crescent of Earth and the cities of the northern hemisphere. The images were acquired with the OSIRIS Wide Angle Camera (WAC) during Rosetta’s second Earth swing-by on 13 November.

This image showing islands of light created by human habitation was taken with the OSIRIS WAC at 19:45 CET, about 2 hours before the closest approach of the spacecraft to Earth. At the time, Rosetta was about 80 000 km above the Indian Ocean where the local time approached midnight (the angle between Sun, Earth and Rosetta was about 160°). The image was taken with a five-second exposure of the WAC with the red filter.

This image showing Earth’s illuminated crescent was taken with the WAC at 20:05 CET as Rosetta was about 75 000 km from Earth. The crescent seen is around Antarctica. The image is a colour composite combining images obtained at various wavelengths.

Credits: ESA ©2005 MPS for OSIRIS Team MPS/UPD/LAM/IAA/RSSD/INTA/ UPM/DASP/IDA

First OSIRIS image acquired during Earth Swing-by No. 3 (2009).

The image shows the Moon as seen through the OSIRIS WAC (wide-angle camera) using the WAC O1 filter from a distance of 4.3 million kilometres at 8/11 03:10 UTC. Rosetta is flying towards the Earth coming in from the night side which is the reason for the very narrow illuminated crescent.