(1993 Jun. 30) subject: Thank you for your UBVRI compilation Dr. de Vaucouleurs, Thank you very much for sending me your updated compliation of UBVRI measurements of SN 1993J. I have been engaged in other works, and please allow me for my late reply. I appreciated your data, especially because we have recently received only a few photoelectric observations. In Japan, it is rainy all-day long for this season. SN1993J has gone out of reach from our observatory (because of hinderance in the northern sky). We will resume observing it in August. Regards, Taichi Kato
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