As of this minute, i am thinking that the number of peaks along the arms of the multimer under current investigation is along these lines.  One, eight, four.  That is, one (1) very bright peak (junction at the ring of all the multimer arms yielding one very bright peak), eight (5-8) regularly spaced pretty evenly sized less bright peaks (along the straighter part of the arm) and four (4) varying peaks, with one or two of the peaks being brighter than the other two, and typically the last peak being of lesser brightness than the three prior peaks, sort of a tapering off).  This has become apparent through “staring” at this molecule for several months, and processing the images in as many ways as made sense.  The easy way to count the peaks is by using this set of algorithms…  three different programs, sometimes four (photoshop, gwyddion, coreldraw, imageJ).  see image above (cropped_300ppi_psd_high_pass_250_gaussian_blur_5_px_0ther_maximum_10px-radius) and below (2Dfast fourier transform in gwyddion).  The plots are different but peaks look similar, the top image much easier to count peaks and a plot with less noise.