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Greenwich Photoheliographic Results 1913

Catalogues: combined data: GPR1913.txt, daily data: dGPR1913.txt, group data: gGPR1913.txt
Historical solar drawings: 1913drawings (original)


Color codes for the days: Green - both GPR data and sunspot drawing exist; Blue - GPR data (data are estimated at midnight);
                                          Black - sunspot drawing; Yellow - No data; Light-blue - no spot observed;


January 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
February 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
March 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
April 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
May 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
June 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
July 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
August 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
September 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
October 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
November 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
December 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31



ACKNOWLEDGMENTS

The digitization of the drawings of Haynald Observatory at Kalocsa and the development of this web-presentation have been supported within the project TÁMOP 4.2.2.C-11/1/KONV/2012-0015 ”Föld-rendszer adatok tudományos feldolgozása és az ismeretek társadalmasítása korszerű informatikai eszközök segítségével”.
The revision of GPR data has received funding from the European Community's Seventh Framework Programme (FP7/2012-2015) under grant agreement No. 284461 (EHEROES, Mar. 2012 - Feb. 2015).
The digitization of the drawings of Konkoly Observatory at Ógyalla has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under grant agreement No. 218816 (SOTERIA, Nov. 2008 - Oct. 2011).
The Mt. Wilson 150-Foot Solar Tower is operated by UCLA, with funding from NASA, ONR and NSF, under agreement with the Mt. Wilson Institute.