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Hejda, Pavel; Revallo, Miloš; Valach, Fridrich (2021): Term-day magnetic observations from the Prague-Clementinum observatory on 1847-02-27 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.937022, 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: 1847-02-26T21:20:12 * Date/Time End: 1847-02-27T21:20:12
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:
576 data points

Data

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


Date/Time

Decl [deg]

H-comp [nT]
1847-02-26T21:20:12-14.989618800.8
1847-02-26T21:25:12-14.989418802.6
1847-02-26T21:30:12-14.977918806.9
1847-02-26T21:35:12-14.972318806.6
1847-02-26T21:40:12-14.966018805.2
1847-02-26T21:45:12-14.960518804.6
1847-02-26T21:50:12-14.959218803.5
1847-02-26T21:55:12-14.953618804.3
1847-02-26T22:00:12-14.970018800.4
1847-02-26T22:05:12-14.993518797.2
1847-02-26T22:10:12-15.001018796.3
1847-02-26T22:15:12-14.994118803.4
1847-02-26T22:20:12-14.996218811.4
1847-02-26T22:25:12-15.005418815.8
1847-02-26T22:30:12-15.000218818.0
1847-02-26T22:35:12-14.979618823.1
1847-02-26T22:40:12-14.966618825.8
1847-02-26T22:45:12-14.973118824.6
1847-02-26T22:50:12-14.991318822.3
1847-02-26T22:55:12-15.004818816.5
1847-02-26T23:00:12-15.012518807.8
1847-02-26T23:05:12-15.007918804.0
1847-02-26T23:10:12-14.999818800.3
1847-02-26T23:15:12-14.996618797.6
1847-02-26T23:20:12-14.992118794.1
1847-02-26T23:25:12-14.980118790.8
1847-02-26T23:30:12-14.968418790.4
1847-02-26T23:35:12-14.963118788.9
1847-02-26T23:40:12-14.955218788.0
1847-02-26T23:45:12-14.949218789.1
1847-02-26T23:50:12-14.940418790.9
1847-02-26T23:55:12-14.940018790.1
1847-02-27T00:00:12-14.935818791.1
1847-02-27T00:05:12-14.937618792.5
1847-02-27T00:10:12-14.941818795.2
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1847-02-27T00:20:12-14.944518796.3
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1847-02-27T00:30:12-14.957618795.1
1847-02-27T00:35:12-14.966218794.5
1847-02-27T00:40:12-14.968218794.6
1847-02-27T00:45:12-14.963418794.0
1847-02-27T00:50:12-14.963118792.6
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1847-02-27T01:00:12-14.951218788.4
1847-02-27T01:05:12-14.952018784.8
1847-02-27T01:10:12-14.946718782.8
1847-02-27T01:15:12-14.938818782.7
1847-02-27T01:20:12-14.937418783.2
1847-02-27T01:25:12-14.940218778.6
1847-02-27T01:30:12-14.962318773.5
1847-02-27T01:35:12-14.971918770.4
1847-02-27T01:40:12-14.981518770.7
1847-02-27T01:45:12-14.987018771.4
1847-02-27T01:50:12-14.986518771.6
1847-02-27T01:55:12-14.977918773.3
1847-02-27T02:00:12-14.978718771.7
1847-02-27T02:05:12-14.993718767.6
1847-02-27T02:10:12-15.001618767.6
1847-02-27T02:15:12-15.007318769.1
1847-02-27T02:20:12-15.012518766.7
1847-02-27T02:25:12-15.017618767.4
1847-02-27T02:30:12-15.020118768.3
1847-02-27T02:35:12-15.013318770.0
1847-02-27T02:40:12-15.013318771.5
1847-02-27T02:45:12-15.009918775.3
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1847-02-27T06:30:12-14.960318773.8
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1847-02-27T07:20:12-14.959918763.5
1847-02-27T07:25:12-14.952618763.0
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1847-02-27T07:40:12-14.953418763.5
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1847-02-27T07:50:12-14.955718762.9
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1847-02-27T08:00:12-14.953218764.7
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1847-02-27T08:10:12-14.961718763.7
1847-02-27T08:15:12-14.968418760.9
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1847-02-27T08:25:12-14.966618759.2
1847-02-27T08:30:12-14.962618760.5
1847-02-27T08:35:12-14.964218759.6
1847-02-27T08:40:12-14.964618758.1
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1847-02-27T09:10:12-14.984218761.3
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1847-02-27T09:20:12-15.006618760.6
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1847-02-27T09:30:12-15.012518763.0
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1847-02-27T09:40:12-15.014218765.6
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1847-02-27T10:05:12-15.041118767.5
1847-02-27T10:10:12-15.050218768.4
1847-02-27T10:15:12-15.054318768.3
1847-02-27T10:20:12-15.050818769.4
1847-02-27T10:25:12-15.057718768.1
1847-02-27T10:30:12-15.061718769.4
1847-02-27T10:35:12-15.061418768.8
1847-02-27T10:40:12-15.054718770.7
1847-02-27T10:45:12-15.062218772.5
1847-02-27T10:50:12-15.063618771.7
1847-02-27T10:55:12-15.067818770.6
1847-02-27T11:00:12-15.069618771.9
1847-02-27T11:05:12-15.071418773.1
1847-02-27T11:10:12-15.071518775.0
1847-02-27T11:15:12-15.073018777.6
1847-02-27T11:20:12-15.072918775.4
1847-02-27T11:25:12-15.069218773.0
1847-02-27T11:30:12-15.067518776.0
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1847-02-27T12:00:12-15.054918774.9
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1847-02-27T14:15:12-15.028118783.8
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