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Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-07-22 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.936955, In: Hejda, P et al. (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:
Data of term-day observations recorded at the Prague-Clementinum observatory in years 1840-1849 are presented. The data were obtained by digitising and processing the original old records published in the yearbooks of this historical observatory. The term-day observations had been agreed for joint measurements by the observatories organised in the Göttingen Magnetic Union (GMU). 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 term-day file name indicates the second day which involves substantial part of the observations (22 out of 24 hours).
Coverage:
Latitude: 50.086000 * Longitude: 14.416000
Date/Time Start: 1841-07-21T21:20:12 * Date/Time End: 1841-07-22T21:20:12
Minimum Elevation: 190.0 m * Maximum Elevation: 190.0 m
Event(s):
Clementinum (Clementinum geomagnetic observatory in Prague) * Latitude: 50.086000 * Longitude: 14.416000 * Elevation: 190.0 m * Method/Device: Geomagnetic observatory (MAGOBS)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DATE/TIMEDate/TimeHejda, PavelGeocode
Magnetic field, declinationDecldegHejda, PavelDigitising and processing of historical records
Magnetic field, H-componentH-compnTHejda, PavelDigitising and processing of historical records
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
434 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Date/Time

Decl [deg]

H-comp [nT]
1841-07-21T21:20:12-15.547918661.3
1841-07-21T21:25:12-15.5437
1841-07-21T21:30:12-15.540018659.3
1841-07-21T21:35:12-15.5427
1841-07-21T21:40:12-15.541418660.1
1841-07-21T21:45:12-15.5437
1841-07-21T21:50:12-15.543018660.4
1841-07-21T21:55:12-15.5426
1841-07-21T22:00:12-15.538518658.1
1841-07-21T22:05:12-15.5332
1841-07-21T22:10:12-15.529118656.4
1841-07-21T22:15:12-15.5263
1841-07-21T22:20:12-15.528418656.7
1841-07-21T22:25:12-15.5286
1841-07-21T22:30:12-15.531818656.5
1841-07-21T22:35:12-15.5385
1841-07-21T22:40:12-15.540718654.5
1841-07-21T22:45:12-15.5467
1841-07-21T22:50:12-15.540118654.1
1841-07-21T22:55:12-15.5376
1841-07-21T23:00:12-15.536418655.4
1841-07-21T23:05:12-15.5321
1841-07-21T23:10:12-15.533218655.7
1841-07-21T23:15:12-15.5316
1841-07-21T23:20:12-15.531018656.0
1841-07-21T23:25:12-15.5304
1841-07-21T23:30:12-15.531018657.3
1841-07-21T23:35:12-15.5341
1841-07-21T23:40:12-15.529518657.1
1841-07-21T23:45:12-15.5298
1841-07-21T23:50:12-15.528618657.4
1841-07-21T23:55:12-15.5286
1841-07-22T00:00:12-15.528018655.1
1841-07-22T00:05:12-15.5297
1841-07-22T00:10:12-15.533218658.4
1841-07-22T00:15:12-15.5346
1841-07-22T00:20:12-15.539518660.1
1841-07-22T00:25:12-15.5327
1841-07-22T00:30:12-15.531918655.5
1841-07-22T00:35:12-15.5268
1841-07-22T00:40:12-15.521518654.4
1841-07-22T00:45:12-15.5169
1841-07-22T00:50:12-15.513418655.6
1841-07-22T00:55:12-15.5138
1841-07-22T01:00:12-15.520018656.9
1841-07-22T01:05:12-15.5293
1841-07-22T01:10:12-15.523118655.6
1841-07-22T01:15:12-15.5259
1841-07-22T01:20:12-15.528718653.7
1841-07-22T01:25:12-15.5298
1841-07-22T01:30:12-15.5226
1841-07-22T01:35:12-15.520918654.0
1841-07-22T01:40:12-15.5352
1841-07-22T01:45:12-15.543118654.1
1841-07-22T01:50:12-15.5401
1841-07-22T01:55:12-15.547718654.0
1841-07-22T02:00:12-15.5587
1841-07-22T02:05:12-15.561718657.4
1841-07-22T02:10:12-15.5624
1841-07-22T02:15:12-15.565418656.1
1841-07-22T02:20:12-15.5631
1841-07-22T02:25:12-15.572218652.1
1841-07-22T02:30:12-15.5806
1841-07-22T02:35:12-15.5907
1841-07-22T02:40:12-15.607318648.5
1841-07-22T02:45:12-15.6067
1841-07-22T02:50:12-15.608818643.0
1841-07-22T02:55:12-15.5975
1841-07-22T03:00:12-15.588818635.8
1841-07-22T03:05:12-15.5926
1841-07-22T03:10:12-15.596118624.2
1841-07-22T03:15:12-15.6045
1841-07-22T03:20:12-15.622018624.6
1841-07-22T03:25:12-15.6328
1841-07-22T03:30:12-15.640118635.3
1841-07-22T03:35:12-15.6308
1841-07-22T03:40:12-15.629918650.1
1841-07-22T03:45:12-15.6227
1841-07-22T03:50:12-15.605818660.2
1841-07-22T03:55:12-15.5755
1841-07-22T04:00:12-15.563718665.7
1841-07-22T04:05:12-15.5517
1841-07-22T04:10:12-15.543518667.7
1841-07-22T04:15:12-15.5359
1841-07-22T04:20:12-15.535418668.2
1841-07-22T04:25:12-15.5266
1841-07-22T04:30:12-15.524318667.7
1841-07-22T04:35:12-15.5197
1841-07-22T04:40:12-15.526418665.7
1841-07-22T04:45:12-15.5287
1841-07-22T04:50:12-15.522618656.7
1841-07-22T04:55:12-15.5414
1841-07-22T05:00:12-15.531318643.6
1841-07-22T05:05:12-15.5116
1841-07-22T05:10:12-15.492218637.2
1841-07-22T05:15:12-15.4792
1841-07-22T05:20:12-15.479018642.9
1841-07-22T05:25:12-15.4841
1841-07-22T05:30:12-15.499018643.9
1841-07-22T05:35:12-15.5107
1841-07-22T05:40:12-15.515718640.5
1841-07-22T05:45:12-15.5226
1841-07-22T05:50:12-15.528418634.9
1841-07-22T05:55:12-15.5356
1841-07-22T06:00:12-15.529118628.6
1841-07-22T06:05:12-15.5288
1841-07-22T06:10:12-15.532518624.1
1841-07-22T06:15:12-15.5286
1841-07-22T06:20:12-15.535318615.9
1841-07-22T06:25:12-15.5345
1841-07-22T06:30:12-15.521118616.1
1841-07-22T06:35:12-15.5062
1841-07-22T06:40:12-15.495918611.4
1841-07-22T06:45:12-15.4952
1841-07-22T06:50:12-15.494918612.8
1841-07-22T06:55:12-15.4932
1841-07-22T07:00:12-15.501518614.6
1841-07-22T07:05:12-15.5253
1841-07-22T07:10:12-15.535518614.9
1841-07-22T07:15:12-15.5353
1841-07-22T07:20:12-15.532918620.7
1841-07-22T07:25:12-15.5435
1841-07-22T07:30:12-15.546118620.7
1841-07-22T07:35:12-15.5523
1841-07-22T07:40:12-15.565318616.3
1841-07-22T07:45:12-15.5694
1841-07-22T07:50:12-15.571218613.8
1841-07-22T07:55:12-15.5752
1841-07-22T08:00:12-15.570018608.2
1841-07-22T08:05:12-15.5649
1841-07-22T08:10:12-15.557118604.3
1841-07-22T08:15:12-15.5622
1841-07-22T08:20:12-15.553618594.4
1841-07-22T08:25:12-15.5473
1841-07-22T08:30:12-15.560518584.3
1841-07-22T08:35:12-15.5486
1841-07-22T08:40:12-15.564218586.3
1841-07-22T08:45:12-15.5674
1841-07-22T08:50:12-15.573018595.3
1841-07-22T08:55:12-15.5795
1841-07-22T09:00:12-15.590918593.0
1841-07-22T09:05:12-15.5872
1841-07-22T09:10:12-15.599118593.5
1841-07-22T09:15:12-15.6098
1841-07-22T09:20:12-15.613018616.0
1841-07-22T09:25:12-15.6054
1841-07-22T09:30:12-15.599118605.2
1841-07-22T09:35:12-15.5977
1841-07-22T09:40:12-15.596018611.1
1841-07-22T09:45:12-15.5885
1841-07-22T09:50:12-15.582518613.1
1841-07-22T09:55:12-15.5800
1841-07-22T10:00:12-15.577818619.4
1841-07-22T10:05:12-15.5782
1841-07-22T10:10:12-15.582518624.8
1841-07-22T10:15:12-15.5793
1841-07-22T10:20:12-15.585518625.7
1841-07-22T10:25:12-15.5766
1841-07-22T10:30:12-15.586918631.0
1841-07-22T10:35:12-15.5890
1841-07-22T10:40:12-15.594018636.2
1841-07-22T10:45:12-15.5976
1841-07-22T10:50:12-15.597618637.1
1841-07-22T10:55:12-15.6022
1841-07-22T11:00:12-15.606518637.8
1841-07-22T11:05:12-15.6068
1841-07-22T11:10:12-15.611718637.1
1841-07-22T11:15:12-15.6182
1841-07-22T11:20:12-15.619018636.9
1841-07-22T11:25:12-15.6182
1841-07-22T11:30:12-15.621318638.5
1841-07-22T11:35:12-15.6234
1841-07-22T11:40:12-15.626018639.5
1841-07-22T11:45:12-15.6281
1841-07-22T11:50:12-15.630618642.0
1841-07-22T11:55:12-15.6334
1841-07-22T12:00:12-15.634118643.7
1841-07-22T12:05:12-15.6404
1841-07-22T12:10:12-15.642118644.7
1841-07-22T12:15:12-15.642118645.1
1841-07-22T12:20:12-15.647018645.1
1841-07-22T12:25:12-15.6480
1841-07-22T12:30:12-15.642418639.9
1841-07-22T12:35:12-15.6382
1841-07-22T12:40:12-15.636418636.4
1841-07-22T12:45:12-15.6349
1841-07-22T12:50:12-15.635218636.1
1841-07-22T12:55:12-15.6334
1841-07-22T13:00:12-15.632618635.8
1841-07-22T13:05:12-15.6273
1841-07-22T13:10:12-15.623918635.0
1841-07-22T13:15:12-15.6233
1841-07-22T13:20:12-15.609618633.7
1841-07-22T13:25:12-15.6107
1841-07-22T13:30:12-15.610618633.3
1841-07-22T13:35:12-15.6140
1841-07-22T13:40:12-15.610718636.2
1841-07-22T13:45:12-15.6107
1841-07-22T13:50:12-15.613418640.6
1841-07-22T13:55:12-15.6074
1841-07-22T14:00:12-15.605918635.4
1841-07-22T14:05:12-15.6080
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1841-07-22T14:15:12-15.6023
1841-07-22T14:20:12-15.600118633.2
1841-07-22T14:25:12-15.5963
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1841-07-22T14:35:12-15.5905
1841-07-22T14:40:12-15.588118629.4
1841-07-22T14:45:12-15.5862
1841-07-22T14:50:12-15.589518635.2
1841-07-22T14:55:12-15.5837
1841-07-22T15:00:12-15.577618638.0
1841-07-22T15:05:12-15.5815
1841-07-22T15:10:12-15.581218643.3
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1841-07-22T15:25:12-15.5679
1841-07-22T15:30:12-15.564918643.6
1841-07-22T15:35:12-15.5605
1841-07-22T15:40:12-15.561418645.3
1841-07-22T15:45:12-15.5631
1841-07-22T15:50:12-15.563418648.3
1841-07-22T15:55:12-15.5672
1841-07-22T16:00:12-15.567718648.0
1841-07-22T16:05:12-15.5691
1841-07-22T16:10:12-15.566618650.2
1841-07-22T16:15:12-15.5614
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1841-07-22T16:25:12-15.5581
1841-07-22T16:30:12-15.554918653.9
1841-07-22T16:35:12-15.5561
1841-07-22T16:40:12-15.557318654.6
1841-07-22T16:45:12-15.5546
1841-07-22T16:50:12-15.553018653.0
1841-07-22T16:55:12-15.5490
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1841-07-22T17:05:12-15.5432
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1841-07-22T17:25:12-15.5491
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1841-07-22T19:00:12-15.540718660.8
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1841-07-22T19:25:12-15.5530
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1841-07-22T19:45:12-15.5619
1841-07-22T19:50:12-15.555718663.4
1841-07-22T19:55:12-15.5495
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1841-07-22T20:05:12-15.5425
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1841-07-22T20:35:12-15.5284
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1841-07-22T21:10:12-15.528118653.1
1841-07-22T21:15:12-15.5284
1841-07-22T21:20:12-15.532518656.9