(S (S (S (BASENP (DT The) (NNS images)) (VP (VBD were) (VP (VBN taken) (PP (IN around) (NP (NP (BASENP (DT the) (NN planet) (POS 's)) (NN equinox)) (PP (IN on) (BASENP (NNP August) (NN 11)))))))) (COMMA ,) (SBAR (WHADVP (WRB when)) (S (BASENP (DT the) (NNP Sun)) (VP (VP (VBD was) (PP (ADVP (RB directly)) (PP (IN over) (NP (BASENP (NNP Saturn) (POS 's)) (NN equator))))) (CC and) (VP (VP (VBD caught) (BASENP (DT the) (NNS rings) (NN edge))) (PRT (RP on))))))) (PERIOD .))