UT2010-08-26 NN, DM, JMC, PJ standby up to UT8h15 due to clouds Start pointing HD5394 (gam Cas) at UT8h15, high clouds and bands but bright star... Star acquired at UT9:00, r0=10 but still thick clouds. S2 image seems out of focus Offset 1.3mm (OPD offset configurér à -150microns) V13 gam Cas Polar GCAS.2010.08.26.07.30. Fluctuations photométriques. GCASP.2010.08.26.09.33. En polar. Belles franges GCAS.2010.08.26.09.51. En naturel avec densité 0.3 D_R2656.2010.08.26.10.09 D_R2656.2010.08.26.10.14 V35 bet Cet calibrated point BETCETCAL1R2790.2010.08.26.10.17 belles franges. Offset=0.45, r0=9cm. Fluctuations photométriques mais vers le mieux puis stable. BETCETR2790.2010.08.26.10.43, offset=0.51. Densité 0.3 sur R et B. BETCETCAL1R2790.2010.08.26.10.58. Offset=0.32. Belles franges. BETCETR2790.2010.08.26.11.10. Offset=0.42 D=0.3 sur R et 0.6 sur B. BETCETCAL1R2790.2010.08.26.11.23. Offset=0.17. D_R2790.2010.08.26.11.39 V27 eps Aur EPSAUR656.2010.08.26.11.44. Offset=1.8mm, consOPD=-500microns. Nuages... D_R1656.2010.08.26.12.18