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Previous observations have suggested non-random distribution of spindirections of galaxies at scales far larger than the size of a supercluster.Here I use $\sim1.7\cdot10^5$ spiral galaxies from SDSS and $3.3\cdot10^4$spiral galaxies from Pan-STARRS to analyze the distribution of galaxy spinpatterns of spiral galaxies as observed from Earth. The analysis shows in bothSDSS and Pan-STARRS that the distribution of galaxy spin directions forms anon-random pattern, and can be fitted to a dipole axis in probability muchhigher than mere chance. These observations agree with previous findings, butare based on more data and two different telescopes. The analysis also showsthat the distribution of galaxy spin directions fits a large-scale multipolealignment, with best fit to quadrupole alignment with probability of$\sim6.9\sigma$ to have such distribution by chance. Comparison of two separatedatasets from SDSS and Pan-STARRS such that the galaxies in both datasets havesimilar redshift distribution provides nearly identical quadrupole patterns.

Multipole alignment in the large-scale distribution of spin direction of spiral galaxies