False color image: object DUO-001.
Left:
with its intrinsic
magnitude of about 21m (July 2, 1994).
Right:
at its maximum
amplification by the mass of another, not directly detectable
and probably faint object, when close to the line of sight
(August 1, 1994).
Bottom:
the light curve shows a microlensing
enhancement of 1.5 magnitude.
Reduction software: C. Alard (Centre d'Analyse des Images).
See J. Guibert: The DUO Programme,
p. 6.