Re: QX Pup > To be strictly accurate (and less confusing!), QX Pup > is the embedded, invisible Mira inside of the > bipolar nebula OH 231.8+4.2. The light of the Mira star is already visible in the J-band (as the GCVS tells). I won't wonder if detectable Mira-type variability is recorded in the I-band (observable with conventinal CCDs). There are a variety of stars at this or the following evolutionary stage, some of which visible to human eyes compose favorite targets of variable star observers. Regards, Taichi Kato