heliometrically

• a word derived from heliometer.
  heliometer

  noun

  a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies.

More Suggestions

• diametrically
• electrically
• heliocentric parallax
• cliometrics
• diametrical
• empirically
• heliocentric
• historically
• hysterically