In February 1675 Flamsteed arrived in London to stay with Moore and Moore arranged that Flamsteed visit the King, Charles II, to ask for a Royal Observatory.
Noong Pebrero 1675 Flamsteed dumating sa London upang manatili sa Moore Moore at inayos na Flamsteed bisitahin ang King, Charles II, upang magtanong para sa isang Royal obserbatoryo.