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Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Data of magnetic storms and term-day observations from the Prague-Clementinum observatory (1839-1849) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.936921

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Abstract:
We provide in digital form unique data observed at Prague-Clementinum in years 1839-1849. The data were obtained by digitising and processing the original old records published in the yearbooks of this historical observatory. The data contain two categories of high cadence observations of magnetic declination and horizontal intensity. The first of these categories captures 73 magnetic storms with their magnitude being of at least a moderate level. The second category is the dense observations during the days that had been agreed for joint measurements by the observatories organised in the Göttingen Magnetic Union (GMU), these measurements being known as term-day observations. Whereas four terms per year were set by GMU, many observatories agreed to carry out additional observations in the eight remaining months. The term-day observations also continued being performed for several years after the end of the GMU activities in 1841. Data of 120 term-days from January 1840 to December 1849 are published. The observations started at 10 p.m. of Göttingen Mean Time and lasted 24 hours. The interval between observations was 5 minutes (in April, June and July 1842 exceptionally 6 minutes). All time data were transformed into UT, based on the longitude of the Göttingen observatory, which was 9.950°. The time shift is thus 39'48''. The date in the file name of magnetic storm indicates the start day of the event, whereas the date in the term-day file name indicates the second day which involves substantial part of the observations (22 out of 24 hours).
Keyword(s):
geomagnetism; historical records; magnetic storm; observatory data
Supplement to:
Hejda, Pavel; Valach, Fridrich; Revallo, Miloš (2021): The geomagnetic data of the Clementinum observatory in Prague since 1839. Annales Geophysicae, 39(3), 439-454, https://doi.org/10.5194/angeo-39-439-2021
Related to:
Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Magnetic storm and term‐day observations at the Prague observatory Clementinum in the mid‐19th century. Geoscience Data Journal, https://doi.org/10.1002/gdj3.141
Funding:
Slovak Academy of Sciences, grant/award no. 2/0085/21: Variability of geomagnetic field in various time scales from the point of view of physical causes
Coverage:
Latitude: 50.086000 * Longitude: 14.416000
Date/Time Start: 1839-09-03T04:20:12 * Date/Time End: 1849-12-20T21:20:12
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
193 datasets

Download Data

Download ZIP file containing all datasets as tab-delimited text — use the following character encoding:

Datasets listed in this publication series

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  1. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1839-09-03. https://doi.org/10.1594/PANGAEA.936848
  2. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1839-09-15. https://doi.org/10.1594/PANGAEA.936849
  3. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1839-10-18. https://doi.org/10.1594/PANGAEA.936850
  4. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1839-10-22. https://doi.org/10.1594/PANGAEA.936851
  5. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-01-04. https://doi.org/10.1594/PANGAEA.936852
  6. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-02-06. https://doi.org/10.1594/PANGAEA.936853
  7. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-02-07. https://doi.org/10.1594/PANGAEA.936854
  8. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-02-09. https://doi.org/10.1594/PANGAEA.936855
  9. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-03-13. https://doi.org/10.1594/PANGAEA.936856
  10. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-05-30. https://doi.org/10.1594/PANGAEA.936857
  11. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-09-22. https://doi.org/10.1594/PANGAEA.936858
  12. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-09-23. https://doi.org/10.1594/PANGAEA.936859
  13. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-10-19. https://doi.org/10.1594/PANGAEA.936860
  14. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-11-21. https://doi.org/10.1594/PANGAEA.936861
  15. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-12-11. https://doi.org/10.1594/PANGAEA.936862
  16. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1840-12-19. https://doi.org/10.1594/PANGAEA.936863
  17. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-01-13. https://doi.org/10.1594/PANGAEA.936864
  18. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-01-19. https://doi.org/10.1594/PANGAEA.936865
  19. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-01-31. https://doi.org/10.1594/PANGAEA.937177
  20. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-02-07. https://doi.org/10.1594/PANGAEA.937178
  21. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-02-22. https://doi.org/10.1594/PANGAEA.936868
  22. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-03-14. https://doi.org/10.1594/PANGAEA.937179
  23. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-05-10. https://doi.org/10.1594/PANGAEA.937180
  24. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-07-24. https://doi.org/10.1594/PANGAEA.936871
  25. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-08-15. https://doi.org/10.1594/PANGAEA.936872
  26. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-09-01. https://doi.org/10.1594/PANGAEA.936873
  27. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-09-13. https://doi.org/10.1594/PANGAEA.936874
  28. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-09-25. https://doi.org/10.1594/PANGAEA.937181
  29. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-09-27. https://doi.org/10.1594/PANGAEA.936876
  30. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-10-20. https://doi.org/10.1594/PANGAEA.936877
  31. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-10-25. https://doi.org/10.1594/PANGAEA.936878
  32. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-10-26. https://doi.org/10.1594/PANGAEA.936879
  33. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-11-04. https://doi.org/10.1594/PANGAEA.936880
  34. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-11-05. https://doi.org/10.1594/PANGAEA.936881
  35. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-12-03. https://doi.org/10.1594/PANGAEA.936882
  36. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-12-08. https://doi.org/10.1594/PANGAEA.936883
  37. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-12-14. https://doi.org/10.1594/PANGAEA.936884
  38. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-12-19. https://doi.org/10.1594/PANGAEA.936885
  39. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1841-12-30. https://doi.org/10.1594/PANGAEA.936886
  40. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-01-18. https://doi.org/10.1594/PANGAEA.936887
  41. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-01-24. https://doi.org/10.1594/PANGAEA.936888
  42. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-01-27. https://doi.org/10.1594/PANGAEA.936889
  43. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-02-07. https://doi.org/10.1594/PANGAEA.936890
  44. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-02-17. https://doi.org/10.1594/PANGAEA.936891
  45. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-02-18. https://doi.org/10.1594/PANGAEA.936892
  46. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-02-19. https://doi.org/10.1594/PANGAEA.936893
  47. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-02-20. https://doi.org/10.1594/PANGAEA.936894
  48. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-02-24. https://doi.org/10.1594/PANGAEA.936895
  49. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-03-01. https://doi.org/10.1594/PANGAEA.936896
  50. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-03-16. https://doi.org/10.1594/PANGAEA.936897
  51. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-03-23. https://doi.org/10.1594/PANGAEA.936898
  52. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-03-24. https://doi.org/10.1594/PANGAEA.936899
  53. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-04-13. https://doi.org/10.1594/PANGAEA.936900
  54. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-04-15. https://doi.org/10.1594/PANGAEA.936901
  55. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-04-20. https://doi.org/10.1594/PANGAEA.936902
  56. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-06-04. https://doi.org/10.1594/PANGAEA.936903
  57. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-07-02. https://doi.org/10.1594/PANGAEA.936904
  58. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-07-03. https://doi.org/10.1594/PANGAEA.936905
  59. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1842-07-04. https://doi.org/10.1594/PANGAEA.936906
  60. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1845-01-29. https://doi.org/10.1594/PANGAEA.936907
  61. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1845-02-20. https://doi.org/10.1594/PANGAEA.936908
  62. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1845-05-29. https://doi.org/10.1594/PANGAEA.936909
  63. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1845-08-28. https://doi.org/10.1594/PANGAEA.936910
  64. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1845-09-23. https://doi.org/10.1594/PANGAEA.936911
  65. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1845-12-03. https://doi.org/10.1594/PANGAEA.936912
  66. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1846-01-24. https://doi.org/10.1594/PANGAEA.936913
  67. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1846-08-07. https://doi.org/10.1594/PANGAEA.936914
  68. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1846-09-22. https://doi.org/10.1594/PANGAEA.936915
  69. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1846-11-26. https://doi.org/10.1594/PANGAEA.936916
  70. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1847-10-23. https://doi.org/10.1594/PANGAEA.936917
  71. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1847-10-25. https://doi.org/10.1594/PANGAEA.936918
  72. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1848-10-23. https://doi.org/10.1594/PANGAEA.936919
  73. Hejda, P; Revallo, M; Valach, F (2021): Magnetic storm observations from the Prague-Clementinum observatory on 1848-11-17. https://doi.org/10.1594/PANGAEA.936920
  74. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-01-23. https://doi.org/10.1594/PANGAEA.936936
  75. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-02-29. https://doi.org/10.1594/PANGAEA.936937
  76. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-03-19. https://doi.org/10.1594/PANGAEA.936938
  77. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-04-23. https://doi.org/10.1594/PANGAEA.936939
  78. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-05-30. https://doi.org/10.1594/PANGAEA.936940
  79. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-06-25. https://doi.org/10.1594/PANGAEA.936941
  80. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-07-23. https://doi.org/10.1594/PANGAEA.936942
  81. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-08-29. https://doi.org/10.1594/PANGAEA.936943
  82. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-09-24. https://doi.org/10.1594/PANGAEA.936944
  83. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-10-22. https://doi.org/10.1594/PANGAEA.936945
  84. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-11-28. https://doi.org/10.1594/PANGAEA.936946
  85. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-12-24. https://doi.org/10.1594/PANGAEA.936947
  86. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-01-21. https://doi.org/10.1594/PANGAEA.936948
  87. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-02-27. https://doi.org/10.1594/PANGAEA.936949
  88. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-03-25. https://doi.org/10.1594/PANGAEA.936950
  89. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-04-22. https://doi.org/10.1594/PANGAEA.936952
  90. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-05-29. https://doi.org/10.1594/PANGAEA.936953
  91. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-06-24. https://doi.org/10.1594/PANGAEA.936954
  92. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-07-22. https://doi.org/10.1594/PANGAEA.936955
  93. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-08-28. https://doi.org/10.1594/PANGAEA.936956
  94. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-09-23. https://doi.org/10.1594/PANGAEA.936957
  95. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-10-21. https://doi.org/10.1594/PANGAEA.936958
  96. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-11-27. https://doi.org/10.1594/PANGAEA.936959
  97. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-12-23. https://doi.org/10.1594/PANGAEA.936960
  98. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1842-01-20. https://doi.org/10.1594/PANGAEA.936961
  99. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1842-02-26. https://doi.org/10.1594/PANGAEA.936962
  100. Hejda, P; Revallo, M; Valach, F (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1842-03-24. https://doi.org/10.1594/PANGAEA.936963

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