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#poland
#astronomer
#constellation
#space
#hevelius
#observatory
#telescope
#astronomy
#gdansk
#europe
#hevelius
#library of congress
#star maps
#history of science
#history of astronomy
#17th century
#constellation
#cepheus
#hevelius
#star maps
#history of science
#history of astronomy
#17th century
#hevelius
#star maps
#history of science
#history of astronomy
#17th century
#hevelius
#star maps
#history of science
#history of astronomy
#17th century
#hevelius
#star maps
#history of science
#history of astronomy
#17th century
#constellation
#delphinus
#equuleus
#hevelius
#star maps
#history of science
#history of astronomy
#17th century
#constellation
#canis major
#hevelius
#star maps
#history of science
#history of astronomy
#17th century
#constellation
#draco
#hevelius
#star maps
#history of science
#history of astronomy
#17th century
#comets
#hevelius
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