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Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-09-23 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.936957, 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: 1841-09-22T21:20:12 * Date/Time End: 1841-09-23T21:20:12
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:
435 data points

Data

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


Date/Time

Decl [deg]

H-comp [nT]
1841-09-22T21:20:12-15.430518688.1
1841-09-22T21:25:12-15.4127
1841-09-22T21:30:12-15.406518682.0
1841-09-22T21:35:12-15.3878
1841-09-22T21:40:12-15.376618676.7
1841-09-22T21:45:12-15.3772
1841-09-22T21:50:12-15.387618667.5
1841-09-22T21:55:12-15.3979
1841-09-22T22:00:12-15.397018657.7
1841-09-22T22:05:12-15.4014
1841-09-22T22:10:12-15.405618651.5
1841-09-22T22:15:12-15.4005
1841-09-22T22:20:12-15.402718648.1
1841-09-22T22:25:12-15.4118
1841-09-22T22:30:12-15.413918647.1
1841-09-22T22:35:12-15.4213
1841-09-22T22:40:12-15.426318648.3
1841-09-22T22:45:12-15.4256
1841-09-22T22:50:12-15.427018647.4
1841-09-22T22:55:12-15.4287
1841-09-22T23:00:12-15.423618649.8
1841-09-22T23:05:12-15.4291
1841-09-22T23:10:12-15.429918650.5
1841-09-22T23:15:12-15.4369
1841-09-22T23:20:12-15.434018648.3
1841-09-22T23:25:12-15.4305
1841-09-22T23:30:12-15.433318648.8
1841-09-22T23:35:12-15.4334
1841-09-22T23:40:12-15.432718651.9
1841-09-22T23:45:12-15.4333
1841-09-22T23:50:12-15.433818653.9
1841-09-22T23:55:12-15.4352
1841-09-23T00:00:12-15.427518651.4
1841-09-23T00:05:12-15.4259
1841-09-23T00:10:12-15.426118650.8
1841-09-23T00:15:12-15.4222
1841-09-23T00:20:12-15.428218649.6
1841-09-23T00:25:12-15.4278
1841-09-23T00:30:12-15.429618649.0
1841-09-23T00:35:12-15.4286
1841-09-23T00:40:12-15.431018653.0
1841-09-23T00:45:12-15.4417
1841-09-23T00:50:12-15.433918654.2
1841-09-23T00:55:12-15.4313
1841-09-23T01:00:12-15.428518650.3
1841-09-23T01:05:12-15.4286
1841-09-23T01:10:12-15.433418653.4
1841-09-23T01:15:12-15.4400
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1841-09-23T01:25:12-15.4400
1841-09-23T01:30:12-15.436818654.3
1841-09-23T01:35:12-15.4331
1841-09-23T01:40:12-15.431518655.6
1841-09-23T01:45:12-15.4249
1841-09-23T01:50:12-15.431318654.3
1841-09-23T01:55:12-15.4268
1841-09-23T02:00:12-15.422018656.7
1841-09-23T02:05:12-15.4223
1841-09-23T02:10:12-15.423618657.7
1841-09-23T02:15:12-15.4211
1841-09-23T02:20:12-15.416318657.0
1841-09-23T02:25:12-15.4116
1841-09-23T02:30:12-15.407018655.9
1841-09-23T02:35:12-15.4051
1841-09-23T02:40:12-15.405218654.6
1841-09-23T02:45:12-15.4117
1841-09-23T02:50:12-15.416118655.8
1841-09-23T02:55:12-15.4129
1841-09-23T03:00:12-15.414418655.4
1841-09-23T03:05:12-15.4273
1841-09-23T03:10:12-15.426818658.4
1841-09-23T03:15:12-15.4356
1841-09-23T03:20:12-15.437518656.6
1841-09-23T03:25:12-15.4286
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1841-09-23T03:35:12-15.4316
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1841-09-23T03:50:12-15.421118655.8
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1841-09-23T04:15:12-15.4113
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1841-09-23T04:35:12-15.4219
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1841-09-23T05:15:12-15.4039
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1841-09-23T05:55:12-15.4008
1841-09-23T06:00:12-15.418518643.2
1841-09-23T06:05:12-15.3931
1841-09-23T06:10:12-15.384918649.6
1841-09-23T06:15:12-15.3881
1841-09-23T06:20:12-15.379718646.1
1841-09-23T06:25:12-15.3756
1841-09-23T06:30:12-15.378618646.0
1841-09-23T06:35:12-15.3796
1841-09-23T06:40:12-15.379418644.6
1841-09-23T06:45:12-15.3803
1841-09-23T06:50:12-15.376718640.6
1841-09-23T06:55:12-15.3785
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1841-09-23T07:05:12-15.3863
1841-09-23T07:10:12-15.374318635.9
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1841-09-23T07:20:12-15.383018635.4
1841-09-23T07:25:12-15.3900
1841-09-23T07:30:12-15.390318632.9
1841-09-23T07:35:12-15.3896
1841-09-23T07:40:12-15.392018631.3
1841-09-23T07:45:12-15.3921
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1841-09-23T17:55:12-15.4000
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1841-09-23T08:05:12-15.4013
1841-09-23T08:10:12-15.403618625.0
1841-09-23T08:15:12-15.4010
1841-09-23T08:20:12-15.409718621.2
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1841-09-23T08:30:12-15.416818621.5
1841-09-23T08:35:12-15.4241
1841-09-23T08:40:12-15.428918623.8
1841-09-23T08:45:12-15.4387
1841-09-23T08:50:12-15.438618619.0
1841-09-23T08:55:12-15.4469
1841-09-23T09:00:12-15.449018614.7
1841-09-23T09:05:12-15.4492
1841-09-23T09:10:12-15.454218616.8
1841-09-23T09:15:12-15.4541
1841-09-23T09:20:12-15.464718622.0
1841-09-23T09:25:12-15.4725
1841-09-23T09:30:12-15.485018629.8
1841-09-23T09:35:12-15.5004
1841-09-23T09:40:12-15.504918625.4
1841-09-23T09:45:12-15.5010
1841-09-23T09:50:12-15.506418620.1
1841-09-23T09:55:12-15.5146
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1841-09-23T10:15:12-15.5164
1841-09-23T10:20:12-15.517918615.5
1841-09-23T10:25:12-15.5198
1841-09-23T10:30:12-15.529618624.2
1841-09-23T10:35:12-15.5401
1841-09-23T10:40:12-15.547018627.8
1841-09-23T10:45:12-15.5519
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1841-09-23T10:55:12-15.5564
1841-09-23T11:00:12-15.557818633.0
1841-09-23T11:05:12-15.5626
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1841-09-23T11:15:12-15.5577
1841-09-23T11:20:12-15.553718641.9
1841-09-23T11:25:12-15.5557
1841-09-23T11:30:12-15.568218648.2
1841-09-23T11:35:12-15.5800
1841-09-23T11:40:12-15.579018651.0
1841-09-23T11:45:12-15.5735
1841-09-23T11:50:12-15.570318656.7
1841-09-23T11:55:12-15.5787
1841-09-23T12:00:12-15.572318650.1
1841-09-23T12:05:12-15.5794
1841-09-23T12:10:12-15.564118647.0
1841-09-23T12:15:12-15.5649
1841-09-23T12:20:12-15.558018647.2
1841-09-23T12:25:12-15.5579
1841-09-23T12:30:12-15.555018649.2
1841-09-23T12:35:12-15.5601
1841-09-23T12:40:12-15.561018652.5
1841-09-23T12:45:12-15.5588
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1841-09-23T12:55:12-15.5525
1841-09-23T13:00:12-15.543518653.6
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1841-09-23T13:25:12-15.5352
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1841-09-23T13:35:12-15.5279
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1841-09-23T13:45:12-15.5196
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1841-09-23T14:00:12-15.524118652.7
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1841-09-23T16:45:12-15.4703
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1841-09-23T21:15:12-15.4528
1841-09-23T21:20:12-15.453518664.1