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  Spectra of Galaxies


GalaxyM51bRA (J2000)13 29 59.5
ConstellationCanes VenaticiDec+47 15 58.0
Mag (V)10.5Other namesNGC5195
NotesInteracting with M51


HAG 24" RC, ZWO ASI2600MM Pro, Lhires III, 300 gr/mm, 1800 sec, 2026-07-15
Interacting with M51

Spectrum across the core east/west

The spectrum is very different to that of M51 which shows the emission lines characteristic
of the active core of a Seyfert galaxy.
In contrast M51b shows Na, Fe and Mg absorption lines characteristic of the stellar population.

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