His method of selecting a star was based on his own data for he chose the star which had the greatest proper motion of all the stars he had studied, correctly deducing that this would mean that the star was nearby. Since 61 Cygni is a relatively dim star it was a bold choice based on his correct understanding of the cause of the proper motions.
Ang kanyang mga pamamaraan ng pagpili ng isang bituin ay batay sa kanyang sariling mga data para sa mga pinili niya ang mga bituin na kung saan ay ang pinakamalaking tamang galaw ng lahat ng mga stars niya-aral, tama deducing na ito ay mangangahulugan na ang bituin ay malapit na. Since 61 Cygni ay isang medyo madilim na bituin na ito ay isang naka-bold pinili batay sa kanyang tamang-unawa ng ang sanhi ng tamang motions.