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Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1849-12-01 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.937056, 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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Published: 2021-10-08DOI registered: 2022-01-31

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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: 1849-11-30T21:20:12 * Date/Time End: 1849-12-01T21:20:12
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:
578 data points

Data

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


Date/Time

Decl [deg]

H-comp [nT]
1849-11-30T21:20:12-14.453218854.8
1849-11-30T21:25:12-14.462018849.1
1849-11-30T21:30:12-14.458818850.4
1849-11-30T21:35:12-14.453318852.4
1849-11-30T21:40:12-14.474818855.7
1849-11-30T21:45:12-14.487418858.8
1849-11-30T21:50:12-14.486618858.0
1849-11-30T21:55:12-14.481118862.9
1849-11-30T22:00:12-14.473518861.4
1849-11-30T22:05:12-14.487218860.0
1849-11-30T22:10:12-14.515218856.7
1849-11-30T22:15:12-14.520618853.3
1849-11-30T22:20:12-14.515218874.5
1849-11-30T22:25:12-14.519818888.7
1849-11-30T22:30:12-14.554918886.3
1849-11-30T22:35:12-14.579218870.9
1849-11-30T22:40:12-14.520618879.4
1849-11-30T22:45:12-14.462018885.3
1849-11-30T22:50:12-14.426918893.3
1849-11-30T22:55:12-14.420718901.3
1849-11-30T23:00:12-14.451718898.5
1849-11-30T23:05:12-14.467718890.4
1849-11-30T23:10:12-14.475518866.2
1849-11-30T23:15:12-14.497818879.6
1849-11-30T23:20:12-14.515218867.6
1849-11-30T23:25:12-14.509218863.3
1849-11-30T23:30:12-14.500518861.3
1849-11-30T23:35:12-14.492718863.0
1849-11-30T23:40:12-14.467318871.8
1849-11-30T23:45:12-14.435818884.0
1849-11-30T23:50:12-14.423318887.3
1849-11-30T23:55:12-14.436418884.9
1849-12-01T00:00:12-14.422418881.3
1849-12-01T00:05:12-14.449118881.1
1849-12-01T00:10:12-14.459018876.5
1849-12-01T00:15:12-14.456018879.2
1849-12-01T00:20:12-14.455118879.3
1849-12-01T00:25:12-14.477718873.8
1849-12-01T00:30:12-14.495818872.5
1849-12-01T00:35:12-14.490618870.9
1849-12-01T00:40:12-14.482218869.8
1849-12-01T00:45:12-14.478618871.0
1849-12-01T00:50:12-14.484018872.3
1849-12-01T00:55:12-14.482618864.6
1849-12-01T01:00:12-14.501918858.1
1849-12-01T01:05:12-14.537618854.6
1849-12-01T01:10:12-14.560018852.9
1849-12-01T01:15:12-14.562218854.1
1849-12-01T01:20:12-14.553518858.6
1849-12-01T01:25:12-14.570218865.1
1849-12-01T01:30:12-14.589218864.3
1849-12-01T01:35:12-14.598718862.0
1849-12-01T01:40:12-14.597618862.2
1849-12-01T01:45:12-14.587118863.8
1849-12-01T01:50:12-14.577518868.8
1849-12-01T01:55:12-14.577218868.3
1849-12-01T02:00:12-14.576918867.9
1849-12-01T02:05:12-14.591018850.4
1849-12-01T02:10:12-14.591418851.6
1849-12-01T02:15:12-14.634518870.7
1849-12-01T02:20:12-14.637818870.4
1849-12-01T02:25:12-14.637418875.5
1849-12-01T02:30:12-14.638918876.0
1849-12-01T02:35:12-14.645018886.5
1849-12-01T02:40:12-14.645218886.3
1849-12-01T02:45:12-14.617018887.8
1849-12-01T02:50:12-14.613618888.5
1849-12-01T02:55:12-14.590518901.8
1849-12-01T03:00:12-14.572818905.1
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1849-12-01T03:30:12-14.572118896.9
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1849-12-01T05:10:12-14.731618912.1
1849-12-01T05:15:12-14.715118912.9
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1849-12-01T05:25:12-14.653818913.1
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1849-12-01T06:35:12-14.656518888.5
1849-12-01T06:40:12-14.670218887.9
1849-12-01T06:45:12-14.664018887.9
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1849-12-01T07:05:12-14.660518888.2
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1849-12-01T07:15:12-14.669818884.6
1849-12-01T07:20:12-14.672618883.4
1849-12-01T07:25:12-14.683218881.3
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1849-12-01T07:35:12-14.679718877.6
1849-12-01T07:40:12-14.672818877.0
1849-12-01T07:45:12-14.673218874.5
1849-12-01T07:50:12-14.665318875.2
1849-12-01T07:55:12-14.676118874.7
1849-12-01T08:00:12-14.669118870.4
1849-12-01T08:05:12-14.669018872.9
1849-12-01T08:10:12-14.682318872.5
1849-12-01T08:15:12-14.674918869.0
1849-12-01T08:20:12-14.669418866.4
1849-12-01T08:25:12-14.669818860.1
1849-12-01T08:30:12-14.667818857.9
1849-12-01T08:35:12-14.669018859.2
1849-12-01T08:40:12-14.677618857.6
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1849-12-01T08:50:12-14.714318852.5
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1849-12-01T09:00:12-14.713518851.4
1849-12-01T09:05:12-14.747718855.8
1849-12-01T09:10:12-14.733918851.8
1849-12-01T09:15:12-14.754718851.2
1849-12-01T09:20:12-14.753518855.9
1849-12-01T09:25:12-14.771518856.7
1849-12-01T09:30:12-14.758618857.8
1849-12-01T09:35:12-14.758318854.0
1849-12-01T09:40:12-14.743518855.4
1849-12-01T09:45:12-14.738318854.9
1849-12-01T09:50:12-14.742918853.0
1849-12-01T09:55:12-14.742218848.3
1849-12-01T10:00:12-14.751218849.5
1849-12-01T10:05:12-14.749418851.3
1849-12-01T10:10:12-14.737518846.7
1849-12-01T10:15:12-14.718218847.6
1849-12-01T10:20:12-14.749018847.7
1849-12-01T10:25:12-14.725818848.9
1849-12-01T10:30:12-14.716118850.0
1849-12-01T10:35:12-14.722718849.1
1849-12-01T10:40:12-14.726818851.0
1849-12-01T10:45:12-14.729318846.7
1849-12-01T10:50:12-14.739518847.9
1849-12-01T10:55:12-14.749818849.1
1849-12-01T11:00:12-14.786318845.5
1849-12-01T11:05:12-14.788918839.1
1849-12-01T11:10:12-14.744818839.1
1849-12-01T11:15:12-14.743918835.6
1849-12-01T11:20:12-14.734018828.5
1849-12-01T11:25:12-14.722818833.8
1849-12-01T11:30:12-14.743918827.7
1849-12-01T11:35:12-14.770118823.6
1849-12-01T11:40:12-14.751018823.8
1849-12-01T11:45:12-14.754218817.9
1849-12-01T11:50:12-14.758718818.5
1849-12-01T11:55:12-14.772818818.7
1849-12-01T12:00:12-14.768918822.5
1849-12-01T12:05:12-14.773218825.8
1849-12-01T12:10:12-14.781818825.3
1849-12-01T12:15:12-14.767618823.8
1849-12-01T12:20:12-14.782018819.9
1849-12-01T12:25:12-14.766418821.8
1849-12-01T12:30:12-14.773018826.8
1849-12-01T12:35:12-14.782818824.4
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1849-12-01T13:00:12-14.751618837.1
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1849-12-01T13:10:12-14.694018842.7
1849-12-01T13:15:12-14.662518854.5
1849-12-01T13:20:12-14.657918866.5
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1849-12-01T13:35:12-14.643018855.6
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1849-12-01T13:45:12-14.604318865.7
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1849-12-01T13:55:12-14.631518877.6
1849-12-01T14:00:12-14.666718872.1
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1849-12-01T14:10:12-14.699218862.3
1849-12-01T14:15:12-14.717618855.8
1849-12-01T14:20:12-14.708318860.3
1849-12-01T14:25:12-14.711518856.6
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1849-12-01T19:00:12-14.671618881.6
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1849-12-01T21:15:12-14.628318884.6
1849-12-01T21:20:12-14.626418886.1