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Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1841-02-27 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.936949, 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: 1841-02-26T21:20:12 * Date/Time End: 1841-02-27T21:20:12
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]
1841-02-26T21:20:12-15.633818642.6
1841-02-26T21:25:12-15.590918648.0
1841-02-26T21:30:12-15.578518650.6
1841-02-26T21:35:12-15.568318653.1
1841-02-26T21:40:12-15.560118657.9
1841-02-26T21:45:12-15.573918655.9
1841-02-26T21:50:12-15.569918656.7
1841-02-26T21:55:12-15.581318654.8
1841-02-26T22:00:12-15.577618655.3
1841-02-26T22:05:12-15.581718655.7
1841-02-26T22:10:12-15.583118651.0
1841-02-26T22:15:12-15.590918641.8
1841-02-26T22:20:12-15.586218631.1
1841-02-26T22:25:12-15.568718625.3
1841-02-26T22:30:12-15.559518621.0
1841-02-26T22:35:12-15.556218620.1
1841-02-26T22:40:12-15.557918617.0
1841-02-26T22:45:12-15.560218612.5
1841-02-26T22:50:12-15.561518608.2
1841-02-26T22:55:12-15.561518598.6
1841-02-26T23:00:12-15.549818595.5
1841-02-26T23:05:12-15.537518601.1
1841-02-26T23:10:12-15.557318605.0
1841-02-26T23:15:12-15.564718609.2
1841-02-26T23:20:12-15.567018610.7
1841-02-26T23:25:12-15.571518611.0
1841-02-26T23:30:12-15.568118610.7
1841-02-26T23:35:12-15.561618611.4
1841-02-26T23:40:12-15.557918608.9
1841-02-26T23:45:12-15.545518610.4
1841-02-26T23:50:12-15.539918612.8
1841-02-26T23:55:12-15.549818629.4
1841-02-27T00:00:12-15.592518644.2
1841-02-27T00:05:12-15.649618659.5
1841-02-27T00:10:12-15.678118655.4
1841-02-27T00:15:12-15.685818645.7
1841-02-27T00:20:12-15.688718636.2
1841-02-27T00:25:12-15.675118629.1
1841-02-27T00:30:12-15.651018632.1
1841-02-27T00:35:12-15.633818632.2
1841-02-27T00:40:12-15.596618635.7
1841-02-27T00:45:12-15.556118639.5
1841-02-27T00:50:12-15.522618644.1
1841-02-27T00:55:12-15.514618645.8
1841-02-27T01:00:12-15.518118646.7
1841-02-27T01:05:12-15.528018646.1
1841-02-27T01:10:12-15.563618638.3
1841-02-27T01:15:12-15.580618632.4
1841-02-27T01:20:12-15.575818631.6
1841-02-27T01:25:12-15.564018631.9
1841-02-27T01:30:12-15.556518635.4
1841-02-27T01:35:12-15.558818632.6
1841-02-27T01:40:12-15.551318634.5
1841-02-27T01:45:12-15.547618634.7
1841-02-27T01:50:12-15.543718635.1
1841-02-27T01:55:12-15.540918636.8
1841-02-27T02:00:12-15.539618637.4
1841-02-27T02:05:12-15.544018638.3
1841-02-27T02:10:12-15.547518638.4
1841-02-27T02:15:12-15.559218637.1
1841-02-27T02:20:12-15.562918633.0
1841-02-27T02:25:12-15.574418633.0
1841-02-27T02:30:12-15.575118629.9
1841-02-27T02:35:12-15.572718626.2
1841-02-27T02:40:12-15.587518621.0
1841-02-27T02:45:12-15.619618611.9
1841-02-27T02:50:12-15.654018608.4
1841-02-27T02:55:12-15.682418615.4
1841-02-27T03:00:12-15.711118621.7
1841-02-27T03:05:12-15.717918629.6
1841-02-27T03:10:12-15.703518636.2
1841-02-27T03:15:12-15.681318641.3
1841-02-27T03:20:12-15.671118640.0
1841-02-27T03:25:12-15.668118636.7
1841-02-27T03:30:12-15.656118634.6
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1841-02-27T03:40:12-15.613418632.7
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1841-02-27T03:55:12-15.635018617.4
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1841-02-27T04:20:12-15.612118621.0
1841-02-27T04:25:12-15.620718623.7
1841-02-27T04:30:12-15.627418624.7
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1841-02-27T04:40:12-15.632218626.5
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1841-02-27T05:10:12-15.642318625.7
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1841-02-27T05:20:12-15.654818615.1
1841-02-27T05:25:12-15.656018619.7
1841-02-27T05:30:12-15.657418619.0
1841-02-27T05:35:12-15.659818616.1
1841-02-27T05:40:12-15.657018618.1
1841-02-27T05:45:12-15.648718622.7
1841-02-27T05:50:12-15.650018625.4
1841-02-27T05:55:12-15.654218626.6
1841-02-27T06:00:12-15.661018624.8
1841-02-27T06:05:12-15.668718624.6
1841-02-27T06:10:12-15.673618624.8
1841-02-27T06:15:12-15.668018624.0
1841-02-27T06:20:12-15.690518622.4
1841-02-27T06:25:12-15.696818620.1
1841-02-27T06:30:12-15.685918616.0
1841-02-27T06:35:12-15.678218610.0
1841-02-27T06:40:12-15.664718610.3
1841-02-27T06:45:12-15.654318612.6
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1841-02-27T06:55:12-15.645618617.2
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1841-02-27T07:05:12-15.643318624.9
1841-02-27T07:10:12-15.669318622.8
1841-02-27T07:15:12-15.659818624.5
1841-02-27T07:20:12-15.665018624.8
1841-02-27T07:25:12-15.664118626.4
1841-02-27T07:30:12-15.672418626.6
1841-02-27T07:35:12-15.670118626.0
1841-02-27T07:40:12-15.670918625.3
1841-02-27T07:45:12-15.664018627.2
1841-02-27T07:50:12-15.666218625.9
1841-02-27T07:55:12-15.667618624.1
1841-02-27T08:00:12-15.669718622.4
1841-02-27T08:05:12-15.674818621.0
1841-02-27T08:10:12-15.673818620.9
1841-02-27T08:15:12-15.678418619.5
1841-02-27T08:20:12-15.666218616.5
1841-02-27T08:25:12-15.665018616.5
1841-02-27T08:30:12-15.682518610.9
1841-02-27T08:35:12-15.680818608.0
1841-02-27T08:40:12-15.690318608.4
1841-02-27T08:45:12-15.685518606.9
1841-02-27T08:50:12-15.679718607.9
1841-02-27T08:55:12-15.683818609.3
1841-02-27T09:00:12-15.693318609.4
1841-02-27T09:05:12-15.690818609.4
1841-02-27T09:10:12-15.687918611.6
1841-02-27T09:15:12-15.682618617.6
1841-02-27T09:20:12-15.696618620.0
1841-02-27T09:25:12-15.697318619.5
1841-02-27T09:30:12-15.695618621.3
1841-02-27T09:35:12-15.701118618.5
1841-02-27T09:40:12-15.695518618.9
1841-02-27T09:45:12-15.697818617.9
1841-02-27T09:50:12-15.693918614.2
1841-02-27T09:55:12-15.697218614.3
1841-02-27T10:00:12-15.692518614.7
1841-02-27T10:05:12-15.689418615.5
1841-02-27T10:10:12-15.692618613.5
1841-02-27T10:15:12-15.688418613.9
1841-02-27T10:20:12-15.698218615.9
1841-02-27T10:25:12-15.710318614.0
1841-02-27T10:30:12-15.709118613.3
1841-02-27T10:35:12-15.705718614.6
1841-02-27T10:40:12-15.711518616.2
1841-02-27T10:45:12-15.716418616.9
1841-02-27T10:50:12-15.720318616.1
1841-02-27T10:55:12-15.718918614.7
1841-02-27T11:00:12-15.710818612.3
1841-02-27T11:05:12-15.714518609.0
1841-02-27T11:10:12-15.722818607.0
1841-02-27T11:15:12-15.719118606.1
1841-02-27T11:20:12-15.710318608.7
1841-02-27T11:25:12-15.709318610.4
1841-02-27T11:30:12-15.709918608.1
1841-02-27T11:35:12-15.707118608.9
1841-02-27T11:40:12-15.715318610.8
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1841-02-27T11:50:12-15.732918612.8
1841-02-27T11:55:12-15.737718613.3
1841-02-27T12:00:12-15.731218612.7
1841-02-27T12:05:12-15.728818613.8
1841-02-27T12:10:12-15.735118613.9
1841-02-27T12:15:12-15.733918614.7
1841-02-27T12:20:12-15.738018615.5
1841-02-27T12:25:12-15.738818614.6
1841-02-27T12:30:12-15.741218613.5
1841-02-27T12:35:12-15.748718613.5
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1841-02-27T12:50:12-15.753818614.5
1841-02-27T12:55:12-15.764218613.5
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1841-02-27T13:05:12-15.774618612.1
1841-02-27T13:10:12-15.762218608.9
1841-02-27T13:15:12-15.783618607.9
1841-02-27T13:20:12-15.781018606.0
1841-02-27T13:25:12-15.780018605.6
1841-02-27T13:30:12-15.776618605.8
1841-02-27T13:35:12-15.774718606.2
1841-02-27T13:40:12-15.770818605.2
1841-02-27T13:45:12-15.762518605.0
1841-02-27T13:50:12-15.766118603.7
1841-02-27T13:55:12-15.760718603.5
1841-02-27T14:00:12-15.757218601.3
1841-02-27T14:05:12-15.751718601.6
1841-02-27T14:10:12-15.747518602.8
1841-02-27T14:15:12-15.753018603.2
1841-02-27T14:20:12-15.757018605.8
1841-02-27T14:25:12-15.762818605.8
1841-02-27T14:30:12-15.757618606.3
1841-02-27T14:35:12-15.752618607.4
1841-02-27T14:40:12-15.745918607.5
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1841-02-27T14:50:12-15.735418604.7
1841-02-27T14:55:12-15.735218604.8
1841-02-27T15:00:12-15.726118604.4
1841-02-27T15:05:12-15.715418605.1
1841-02-27T15:10:12-15.709918609.1
1841-02-27T15:15:12-15.708918610.8
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1841-02-27T17:10:12-15.630418637.4
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1841-02-27T17:40:12-15.677518626.3
1841-02-27T17:45:12-15.672118626.3
1841-02-27T17:50:12-15.658018625.7
1841-02-27T17:55:12-15.643918630.5
1841-02-27T18:00:12-15.636618630.8
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1841-02-27T18:10:12-15.677018625.9
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1841-02-27T18:30:12-15.661918627.1
1841-02-27T18:35:12-15.659718625.9
1841-02-27T18:40:12-15.643918627.0
1841-02-27T18:45:12-15.627418638.4
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1841-02-27T19:00:12-15.629418627.9
1841-02-27T19:05:12-15.603218627.9
1841-02-27T19:10:12-15.585218630.9
1841-02-27T19:15:12-15.587018630.6
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1841-02-27T19:45:12-15.649418627.2
1841-02-27T19:50:12-15.659918625.6
1841-02-27T19:55:12-15.656918627.2
1841-02-27T20:00:12-15.656818627.5
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1841-02-27T20:35:12-15.662918628.7
1841-02-27T20:40:12-15.662118630.0
1841-02-27T20:45:12-15.657118629.7
1841-02-27T20:50:12-15.654718628.2
1841-02-27T20:55:12-15.654018626.9
1841-02-27T21:00:12-15.651318628.0
1841-02-27T21:05:12-15.653118631.8
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1841-02-27T21:15:12-15.652018631.0
1841-02-27T21:20:12-15.648018628.2