Check this out at the Catholic News Service blog: Eucharistic adoration at the Vatican in reparation for abuse.
The service in St. Peter’s Basilica this Saturday will feature an hour of silent adoration of the Blessed Sacrament, an hour of prayer and meditation, and a solemn blessing at the end.
CNS correspondent John Thavis reports that the Vatican hasn't publicized the event. Invitations were sent by e-mail and word of mouth.
Thavis says the event is being organized by "Catholic university students in Rome. "