NGC5907 - The Splinter Galaxy (Draco)

Planewave CDK12.5; AP 1100GTO Mount
QHY600M, - Antlia Pro Broadband and 3.5 nm Ha Filters
L: (81 x 180s, Bin 1, Gain 26)
H: (38 x 720s Bin 1, Gain 26)
R,G,B: (53,48,48 x 210s, Bin 1, Gain 26)
Total integration time = 20.3 hrs (May 3,4,5,12,20,21, 2025) Vancouver Island, BC, Canada
The Splinter Galaxy is thought to be about the same size as the Milky Way, presents to us an almost (<1 degree off) completely edge on view of a spiral disk - somewhat like the image of NGC 4565. or the Needle Galaxy.
One obvious difference between the two is that the Needle has a prominant bulge of stars near the centre while the Splinter does not. Firstly, the difference is likely due to both the relative mass of the black holes at the centres of the galaxies, coupled with the amount and distribution of angular momentum of the gasses in the toroidal discs. The angular momentum of the Splinter galaxies is likely much higher, due to is relatively thin disc comparted to the Needle. Otherwise, the Splinter looks normal - complete with Halpha emitting areas associated with new star production. It is proof that spiral galaxies don't necessarily have bulges.
Astrophysicists say the there are few large, hot stars in the its star halo and this is likely due to low metallicity in these stars. I am not sure how these two are linked.
The reason I spent so much time trying to image this galaxy was to see if I could pull out an accompanying star trail left behind by one or more dwarf galaxies that the Splinter has assimilated or consumed. Dwarf galaxies, are low in metals, so this goes around. In any event, the background is overprocessed and overstretch and I think I may see some of it behind a lot of noise. My excuses are the poor quality of the 20 hours of ipoor, but usable mages I took over 6 nights in the terrible visibility of Vancouver Island weather. May. The star trail I was after is visible in the accompanying image on the Wikipedia site explaining NGC5907. I take consolation that these star trails are only visible on a few (the highest quality) Astrobin images too.
The other legacy of the dwarf galaxies eaten by NGC5907 is the slightly bent configuration of the Splinters disc. NGC5907 is not otherwise part of a group of cluster of galaxies that could provide gravitational tidal effects.
I have also been working on my latest post for APRealSpace.com having to do with star formation and I asked Grok to fetch me some information. This led to a scientific discussion that is revealing from both astronomical and AI perspectives, so I posted this discussion instead. I think it is worth a read.
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