PERSON@1 -LRB- June NUMBER@1 NUMBER@2 -- October NUMBER@3 NUMBER@4 -RRB- was a MISC@1 astronomer , a pioneer of astrophotography .

PERSON@1 -LRB- June NUMBER@1 , NUMBER@2 -- October NUMBER@3 , NUMBER@4 -RRB- was a MISC@1 astronomer .
