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Accuracy of magnitudes in pre-telescopic star catalogues. (arXiv:2008.04967v1 [astro-ph.IM]) http://arxiv.org/abs/2008.04967
Accuracy of magnitudes in pre-telescopic star catalogues. (arXiv:2008.04967v1 [astro-ph.IM]) http://arxiv.org/abs/2008.04967