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Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1848-03-23 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.937036, 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: 2021-10-08 • DOI 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: 1848-03-22T21:20:12 * Date/Time End: 1848-03-23T21:20:12
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
1 DATE/TIMEDate/TimeHejda, PavelGeocode
2 Magnetic field, declinationDecldegHejda, PavelDigitising and processing of historical records
3 Magnetic field, H-componentH-compnTHejda, PavelDigitising and processing of historical records
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
576 data points

Data

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

1 
Date/Time
2 
Decl [deg]
3 
H-comp [nT]
1848-03-22T21:20:12-14.869518871.7
1848-03-22T21:25:12-14.870118871.1
1848-03-22T21:30:12-14.869918871.6
1848-03-22T21:35:12-14.870418870.5
1848-03-22T21:40:12-14.872018870.8
1848-03-22T21:45:12-14.871218872.5
1848-03-22T21:50:12-14.868618874.9
1848-03-22T21:55:12-14.866518877.0
1848-03-22T22:00:12-14.859818875.3
1848-03-22T22:05:12-14.854718873.8
1848-03-22T22:10:12-14.858618871.2
1848-03-22T22:15:12-14.864918867.7
1848-03-22T22:20:12-14.853318871.1
1848-03-22T22:25:12-14.839918880.8
1848-03-22T22:30:12-14.830218887.2
1848-03-22T22:35:12-14.827718885.1
1848-03-22T22:40:12-14.842318879.0
1848-03-22T22:45:12-14.848118875.5
1848-03-22T22:50:12-14.845918873.7
1848-03-22T22:55:12-14.839818873.3
1848-03-22T23:00:12-14.837618874.8
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1848-03-23T10:00:12-14.943418812.9
1848-03-23T10:05:12-14.959918811.0
1848-03-23T10:10:12-14.975318817.7
1848-03-23T10:15:12-14.974818815.2
1848-03-23T10:20:12-14.972818814.5
1848-03-23T10:25:12-14.973218814.4
1848-03-23T10:30:12-14.975318810.1
1848-03-23T10:35:12-14.970618810.7
1848-03-23T10:40:12-14.980318812.2
1848-03-23T10:45:12-14.988718813.8
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1848-03-23T10:55:12-14.997018815.3
1848-03-23T11:00:12-14.998218818.7
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1848-03-23T11:10:12-14.999818820.0
1848-03-23T11:15:12-15.012118820.7
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1848-03-23T14:00:12-15.011118856.8
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