On shift: GG, MN. Logbook n.7, pag.299-301. Run 5742: I.Lum.=376.94 nb^-1 Run 5743: I.Lum.=365.18 nb^-1 Total I.Lum. for Stack 21: 3.718 pb^-1 Jet target nozzle unclogged two times. Straws tripped three times, the last (at 13.51) because we have lost the beam. Cheers Gabriele and Matteo