Voila', a picture of the M110 galaxy orbiting around M31 in company of a cloud of Globular Clusters (yes, M31 GCs can be imaged! See for instance here and here. Come on! Very-long-focal owners, this is work for you! ).

M110
Also known as NGC 205, is a dwarf elliptical galaxy, satellite of the Andromeda Galaxy M31.
Charles Messier never included the galaxy in his list, but it was depicted by him, together with M32, on his drawing of "Nébuleuse D'Andromède" in 1773. The suggestion to assign the galaxy a Messier number was made by Kenneth Glyn Jones in 1967, making it the last member of the Messier List.
This galaxy has a morphological classification of pec dE5, indicating a dwarf elliptical galaxy with a flattening of 50%. It is designated peculiar (pec) due to patches of dust and young blue stars near its center. This is unusual for dwarf elliptical galaxies in general, and the reason is unclear. Unlike M32, M110 lacks evidence for a supermassive black hole at its center.
The inner region has sweeping deficiencies in its interstellar medium IM, most likely expelled by supernova explosions. Tidal interactions with M31 may have stripped away a significant fraction of the expelled gas and dust, leaving the galaxy as a whole, as it presents, deficient in its IM density.
Novae have been detected in this galaxy, including one discovered in 1999, and another in 2002. The latter, designated EQ J004015.8+414420, had also been captured in images taken by the Sloan Digital Sky Survey (SDSS) that October.
(excerpted from Wikipedia)

M31 Globular Clusters
Reported in the annotated image, are a subset of the Revised Bologna Catalog including only the "confirmed" objects with a Bmag magnitude < 18.
The full image of the M31 Globular Clusters cloud with more extensive description and references is visible here (already quoted before).

M31-EC1
The faint and fuzzy nebulosity visible just right PGC2187102 at hours 2:00 from the center of the picture is the object M31-EC1 (M31WFS C1, HTF2008 HEC5) that is calssified as an "Extended Cluster", similar to a Globular Cluster pertaining to M31.

PGC2314
This Galaxy, whose structure is recognizable, is 267 Mly away from Earth.