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Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1840-09-24 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.936944, 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: 1840-09-23T21:20:12 * Date/Time End: 1840-09-24T21:20:12
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]
1840-09-23T21:20:12-15.716018639.7
1840-09-23T21:25:12-15.6575
1840-09-23T21:30:12-15.663718662.3
1840-09-23T21:35:12-15.6575
1840-09-23T21:40:12-15.669218690.9
1840-09-23T21:45:12-15.7147
1840-09-23T21:50:12-15.756918683.6
1840-09-23T21:55:12-15.7815
1840-09-23T22:00:12-15.773918671.7
1840-09-23T22:05:12-15.7455
1840-09-23T22:10:12-15.704818657.2
1840-09-23T22:15:12-15.6763
1840-09-23T22:20:12-15.632918638.7
1840-09-23T22:25:12-15.5953
1840-09-23T22:30:12-15.567418641.3
1840-09-23T22:35:12-15.5742
1840-09-23T22:40:12-15.578418631.3
1840-09-23T22:45:12-15.5761
1840-09-23T22:50:12-15.574718632.2
1840-09-23T22:55:12-15.5786
1840-09-23T23:00:12-15.601218633.4
1840-09-23T23:05:12-15.6102
1840-09-23T23:10:12-15.627118629.1
1840-09-23T23:15:12-15.6351
1840-09-23T23:20:12-15.636318623.8
1840-09-23T23:25:12-15.6375
1840-09-23T23:30:12-15.643818626.9
1840-09-23T23:35:12-15.6508
1840-09-23T23:40:12-15.641818623.2
1840-09-23T23:45:12-15.6443
1840-09-23T23:50:12-15.635618631.4
1840-09-23T23:55:12-15.6466
1840-09-24T00:00:12-15.644618627.4
1840-09-24T00:05:12-15.6434
1840-09-24T00:10:12-15.646518627.4
1840-09-24T00:15:12-15.6492
1840-09-24T00:20:12-15.655018630.6
1840-09-24T00:25:12-15.6507
1840-09-24T00:30:12-15.657518630.4
1840-09-24T00:35:12-15.6784
1840-09-24T00:40:12-15.680118623.4
1840-09-24T00:45:12-15.6800
1840-09-24T00:50:12-15.692218622.2
1840-09-24T00:55:12-15.7105
1840-09-24T01:00:12-15.731018622.5
1840-09-24T01:05:12-15.7210
1840-09-24T01:10:12-15.734318616.9
1840-09-24T01:15:12-15.7505
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1840-09-24T01:25:12-15.7581
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1840-09-24T01:35:12-15.7359
1840-09-24T01:40:12-15.717118628.0
1840-09-24T01:45:12-15.7271
1840-09-24T01:50:12-15.724818626.0
1840-09-24T01:55:12-15.7062
1840-09-24T02:00:12-15.695018628.6
1840-09-24T02:05:12-15.6936
1840-09-24T02:10:12-15.689618631.6
1840-09-24T02:15:12-15.6848
1840-09-24T02:20:12-15.679518634.0
1840-09-24T02:25:12-15.6662
1840-09-24T02:30:12-15.655618638.6
1840-09-24T02:35:12-15.6511
1840-09-24T02:40:12-15.640218639.2
1840-09-24T02:45:12-15.6390
1840-09-24T02:50:12-15.637918634.4
1840-09-24T02:55:12-15.6265
1840-09-24T03:00:12-15.621918630.2
1840-09-24T03:05:12-15.6176
1840-09-24T03:10:12-15.624418630.5
1840-09-24T03:15:12-15.6340
1840-09-24T03:20:12-15.639218628.0
1840-09-24T03:25:12-15.6483
1840-09-24T03:30:12-15.650918628.2
1840-09-24T03:35:12-15.6311
1840-09-24T03:40:12-15.628018631.8
1840-09-24T03:45:12-15.6351
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1840-09-24T05:10:12-15.688418625.6
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1840-09-24T05:55:12-15.6278
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1840-09-24T06:10:12-15.619718615.2
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1840-09-24T06:20:12-15.616518617.3
1840-09-24T06:25:12-15.6273
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1840-09-24T06:35:12-15.6281
1840-09-24T06:40:12-15.650518605.6
1840-09-24T06:45:12-15.6393
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1840-09-24T06:55:12-15.6301
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1840-09-24T07:05:12-15.6316
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1840-09-24T07:15:12-15.6349
1840-09-24T07:20:12-15.639818605.9
1840-09-24T07:25:12-15.6390
1840-09-24T07:30:12-15.637818605.1
1840-09-24T07:35:12-15.6523
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1840-09-24T07:45:12-15.6598
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1840-09-24T08:05:12-15.6859
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1840-09-24T08:15:12-15.7124
1840-09-24T08:20:12-15.721218588.2
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1840-09-24T08:35:12-15.7311
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1840-09-24T08:45:12-15.7326
1840-09-24T08:50:12-15.718218555.3
1840-09-24T08:55:12-15.7280
1840-09-24T09:00:12-15.733718543.2
1840-09-24T09:05:12-15.7378
1840-09-24T09:10:12-15.734818547.6
1840-09-24T09:15:12-15.7357
1840-09-24T09:20:12-15.751818560.0
1840-09-24T09:25:12-15.7620
1840-09-24T09:30:12-15.763118560.1
1840-09-24T09:35:12-15.7545
1840-09-24T09:40:12-15.752918562.9
1840-09-24T09:45:12-15.7526
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1840-09-24T09:55:12-15.7612
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1840-09-24T10:15:12-15.8080
1840-09-24T10:20:12-15.817518562.4
1840-09-24T10:25:12-15.8226
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1840-09-24T10:35:12-15.8401
1840-09-24T10:40:12-15.833018571.6
1840-09-24T10:45:12-15.8200
1840-09-24T10:50:12-15.831618584.9
1840-09-24T10:55:12-15.8316
1840-09-24T11:00:12-15.838518592.0
1840-09-24T11:05:12-15.8347
1840-09-24T11:10:12-15.823118558.2
1840-09-24T11:15:12-15.8251
1840-09-24T11:20:12-15.818018578.2
1840-09-24T11:25:12-15.8382
1840-09-24T11:30:12-15.856618582.7
1840-09-24T11:35:12-15.8749
1840-09-24T11:40:12-15.874518574.8
1840-09-24T11:45:12-15.8557
1840-09-24T11:50:12-15.839218577.5
1840-09-24T11:55:12-15.8369
1840-09-24T12:00:12-15.816718575.9
1840-09-24T12:05:12-15.8271
1840-09-24T12:10:12-15.840618578.3
1840-09-24T12:15:12-15.8311
1840-09-24T12:20:12-15.776718574.9
1840-09-24T12:25:12-15.8357
1840-09-24T12:30:12-15.828318574.3
1840-09-24T12:35:12-15.8375
1840-09-24T12:40:12-15.799418576.1
1840-09-24T12:45:12-15.8055
1840-09-24T12:50:12-15.803618585.8
1840-09-24T12:55:12-15.7943
1840-09-24T13:00:12-15.788818595.7
1840-09-24T13:05:12-15.7836
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1840-09-24T13:15:12-15.7950
1840-09-24T13:20:12-15.809718604.1
1840-09-24T13:25:12-15.8156
1840-09-24T13:30:12-15.758918597.1
1840-09-24T13:35:12-15.6897
1840-09-24T13:40:12-15.638418630.8
1840-09-24T13:45:12-15.6462
1840-09-24T13:50:12-15.640618632.2
1840-09-24T13:55:12-15.6327
1840-09-24T14:00:12-15.650518639.6
1840-09-24T14:05:12-15.6755
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1840-09-24T14:45:12-15.7596
1840-09-24T14:50:12-15.767518571.7
1840-09-24T14:55:12-15.7454
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1840-09-24T15:15:12-15.6582
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1840-09-24T15:35:12-15.6855
1840-09-24T15:40:12-15.671918590.5
1840-09-24T15:45:12-15.6505
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1840-09-24T15:55:12-15.5159
1840-09-24T16:00:12-15.520418614.5
1840-09-24T16:05:12-15.5101
1840-09-24T16:10:12-15.494718625.6
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1840-09-24T16:25:12-15.5629
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1840-09-24T16:45:12-15.6620
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1840-09-24T16:55:12-15.6840
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1840-09-24T19:00:12-15.575418628.6
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1840-09-24T20:25:12-15.6661
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1840-09-24T21:15:12-15.5889
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