Astronomical-computistical collection

Parchment — 645 pp. — St. Gall — s. IX^4/4

Support: The quire structure can be examined to a certain extent in the digital facsimile thanks to the quire marks in Roman numerals centered in the lower margin of the last page of each quire. Uncertain is the collation for the quires VI and VII (including mainly tables on p. 99-140), for which there are no quire marks and which seem to be irregular. flyleaf² (pastedown + p. 1), I¹² (pp. 3-26), II (pp. 27-46), III ¹⁰ (pp. 47-66), IIII⁸ (pp. 67-82), V⁸ (pp. 83-98), VI+VII^12(-1) (pp. 99-120), VIII¹⁰ (pp. 121-140), VIIII-XIIII¹⁰ (p. 141-260), XV⁶ (p. 261-278), XVI-XVIII¹⁰ (p. 279-332), XIIII ⁸ (p. 333-348), XX-XXIII¹⁰ (p. 349-428), XXIIII⁸⁺¹ (p. 429-446), XXV⁸ (p. 447-462), XXVI^10-1 (p. 463-480, missing 1 fol. after p. 478; p. 463-464 single leaves), XXVII-XXVIII⁸ (p. 481-512), XXVIIII⁶ (p. 513-524), XXX^8-1 (p. 525-538, missing 1 fol. after p. 526), XXXI¹⁰ (p. 539-558), XXXII⁸ (p. 559-578), XXXIII-XXXV¹⁰ (p. 579-638), XXXVI² (2 single leaves, p. 639-642), XXXVII² (Bifolium, p. 643-645) . See also the collation in Anton von Euw (2008) (pp. 449-454, Nr. 120), reproduced in e-codices.

Selected Bibliography: Anton von Euw (2008), pp. 449-454, Nr. 120.

p. 146-163 Bede: De temporibus

p. 164-425 Bede: De temporum ratione ›Incipit praefatio Bedae prbi. de temporibus‹

• (p. 166-168) Capitula (I-LXXII)

• (p. 426-444) Computus argumenta

• (p. 445-446) Computusregeln, 1. Concordia solis et lunae. Novem horis in luna, 2. Item eadem ratione. Lunam lucere dodrantis, 3. Concordia maris et lunae. Unius semper horae dodrante

• (p. 447-522) Revised Aratus Latinus ›Incipit astrologia‹ (p. 447) Arati ea quae videntur (p. 457) Alia descriptio prefationis. Subtus terram (p. 461) Descriptio duorum hemispheriorum. Habet autem pondus (p. 462) Representation of the northern and souther celestial of the celestial globe. (p. 463) ›Arati genus‹ Aratus patris quidem est Anthinodori filius (p. 465) De caeli positione. Caelum circulis quinque distinguitur (p. 466) De stellis fixis et stantibus. Stellarum aliae cum caelo feruntur (p. 469) Involutio sperae. Hic est stellarum ordo utrorumque circulorum (p. 472) Illustration of a globe position on columns. (p. 473-522) Aratus Latinus with illustrations of the constellations Vertices extremos … — ›Explicit liber astrologorum‹

• (p. 523-526) Excerptum de astrologia Duo sunt extremi vertices mundi … — … decurrit accipiens.

• (p. 526) Ps. Priscianus: De sideribus ›Incipit epitome pheremon [!] id est apparitio siue apparentia Prisciani Grammatici versus XII de sideribus‹ Ad boreae partes arcti uertuntur et anguis … — … Hinc sequitur pistrix simul heridanique fluenta.

• (527-532) Anonymus sangallensis Herodius dicit elicem licaonis fuisse filiam … — … absides eius ultima in icapricorno est.

• (532-538) De astronomia more christiano Hae fisicae partes quae astronomia et astrologia dicuntur … — … de ceteris astronomicis conscribere signis.

p. 539 blank.

p. 540-639 Hyginus: De astronomia ›Hyginus M. Fabio plurimam salutem‹ Et si te studio grammaticae artis … — … cum sol ab aestiuo circulo.

p. 639-640 In primo anno sol intrat in arietem XV. Kl. Apr. in hora noctis inchoante … — … ad primam horam noctis recurrat. Diagram of the Lunar phases.

p. 641 Table for the age of the moon on the Kalends of every month within the 19-year-cycle.

p. 642 ›Argumentum de septem planetis‹ Si vis scire quanto temporis suum quaeque planetarum perficiat cursum solis … — … luna omnium inferior nouenis accelerat punctis.

p. 643-644 blank.

Abreviated Literature:

Catalogued by: Ivana Dobcheva