NGC 3588 is a Galaxy Pair in the Leo constellation. NGC 3588 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain times of the year.
Here's the graphic of its energy spectrum made with Simbad:
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I've analyzed the simbad dot plot. I have selected 6 points and I have converted µ from to armstrong. Then I applied the formula of the dossier.
SCIENTIFIC ARTICLES:
In this case, NGC 3588 I don't see any articles about its elements. I have found this article, that although it is not only about NGC 3588, it speaks a little about it. It says that it is composed of carbonium, hydrogen and oxygen. (https://iopscience.iop.org/article/10.1086/308457/pdf)