Archive for the ‘Asteroids’ Category

S509356

Posted by Paulo Cacella on 12th April 2016 in Asteroids, Recent Posts, Solar System

This is a RC 10″ photo 30 sec exposure. scale 0.7 arcsec/pixel.

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Next we have a 20″ reflector 5 sec exposure.

S509356

Ceres and Jupiter spectra

Posted by Paulo Cacella on 4th September 2010 in Asteroids, Planets, Solar System, Solar System, Spectroscopy
Here we have a 900s shot of Ceres in a C14-G11-DSS7.We compare Ceres(blue) with Jupiter(red). / / / /First we can see the Ceres color reflectance smoothed using Jupiter as a reference (what is not a smart idea). / / / / / / / /We can compare with SMASS results / / / / / / / /Here we can see the spectra of Ceres(blue) and Jupiter(red) / / / / / / / /BBelow we have a spectrum corrected for instrumentation and compared with a Sun class star (purple). Ceres is in green. / / / / / / / /SSame information as before but normalized. / / / /