Abstract
If we set the Saros and Numan cycles in motion concurrently.
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Notes
- 1.
The following calculations are restricted to the duration of the Saros cycle, in part as a result of doubts regarding about intercalations during the final 8 years of the Numan cycle (see Chap. 4); the only requisite for these calculations to remain valid is for year eighteen not to be an intercalated year (see Table 4.1).
- 2.
See Chap. 2.
- 3.
The list of total solar eclipses in Table 15.1 (and subsequent tables) are those that arise from calculations performed as described above, circumscribed to the eclipse season as defined in Chap. 13; in consequence, they are “theoretical eclipses”. Total lunar eclipse dates are also theoretical. It should be noted, however, that these calculations incorporate the corrections proposed by Pannekoek 1989, p. 59, based on the actual variation of the Moon’s angle and the Sun’s velocity, and their distribution within each of the Saros series.
- 4.
Servius, ad Aen., 5.738: hic autem dies […] inchoat […] secundum Etruscos […] a sexta hora diei, secundum Romanos a media nocte.
- 5.
These calculations have been revised and completed on the basis of observations by Lewis Licht and John T. Ramsey in their review of my book Astronomy and Calendar in Ancient Rome—The Eclipse Festivals, in Archaeoastronomy, Vol. 18 (2004), pp. 124–126. The book was also reviewed by Germaine Aujac in Cairn—Revue de philologie de littérature et d’histoire anciennes, 2001, LXXV, pp. 170–172, and by Matthew F. Dowd in Centaurus, 2002, Vol. 44, pp. 143–144.
- 6.
The Complete Ephemerides 1920–2020, edited by F. Santoni, Aureas Editions, Paris 1995.
- 7.
Manilius, Astronomica, 2.105: quis dubitet post haec hominem coniungere caelo?
- 8.
See Aveni, 2000, pp. 139–144.
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Magini, L. (2015). The Frequency of Solar and Lunar Eclipses and the Festivities of the Numan Year. In: Stars, Myths and Rituals in Etruscan Rome. Space and Society. Springer, Cham. https://doi.org/10.1007/978-3-319-07266-1_15
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