Table 1:
Auroras during the "Spoerer-Minimum" (1459-1550) from Middle European observations*

1453 large aurora observed including in Switzerland 1531 29 September, fiery heavens, supposedly observed in Portugal
1460 13 January, observed down to Bohemia 1532 different European localities
1462 observed down to Poland, different shapes 1533 spread all over Germany
1465 27 November, designated also as a comet 1534 June or July, among others seen in Schleswig-Holstein
1478 observed down to Switzerland, striking 1535 different localities
1494 at different locations in Europe 1536  25 December, spread all over Germany (also September 19)
1499 May ?, observerd everywhere in Europe 1537 February?, a phenomenon which can be interpreted as aurora
1500 aurora observed, no details 1538 several auroras in Germany
1503 amongst others in Bavaria, the auroral crown developed 1540 December, widely spread in Germany
1511 aurora as clouds, no further data 1541 Chasm (a name for certain forms of aurora), among others in Hungary?
1514 January, different shapes 1542 observed among others in Wuerttemberg
1516 observed in Saxony, no data available 1543 May, seen as South as in Baden
1517 among others in Saxony and in Poland, the heavens on fire 1544 May?
1518 no dates, among others in Poland 1545 7 April, strong aurora spotted by arches
1519 ? 1545 February, seen down to Poland; 
7 April, strong aurora spotted by arches
1520 among others observed in Austria, supposedly in September 1546 19 February, the heaven opened, coloured phenomenon, people saw two armies in a celestial battle
1521 January? in Germany, strong aurora seen 1547 July?, different descriptions which can be interpreted as auroras
1523 January, among others observed in Wittenberg and at different localities. Description from Hungary 1548 17 November, a wide spread auroa
1524 at different places in Germany (weapons in the heaven) 1549 April?
1526 December 1549 30 September, there are several phenomea described that year which could be interpreted as auroras
1527 11 October, then 11 August and 11 December- aurora everywhere in Germany, among others blood-red heavens and extreme radiation 1550 several reports indicate auroras
1528 general descriptions 1551 6 February, even at Lisbon, bloody rays and bundles in heaven, a striking phenomenon
1529 11 January, strong aurora 1551 11 September?
1529 28 January, the heaven was open, striking form 1551 1 October, big chasm (aurora), I. e. strong rays
1529 seems to be a different aurora, but cannot be dated    

* The examples for the period of the Spoerer Minimum may give an idea of the terminology used at that time

Table 2: Number of auroras between 1545 and 1724

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en 1545 and 1724

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