Reconstruction of the Sunspot Number Source Database and the 1947 Zurich Discontinuity
Clette, Frédéric; Lefèvre, Laure; Bechet, Sabrina; Ramelli, Renzo; Cagnotti, Marco
Solar Physics 296, 137 (2021). https://doi.org/10.1007/s11207-021-01882-6
Sunspot data collection of Specola Solare Ticinese in Locarno
Ramelli, Renzo; Cagnotti, Marco; Cortesi, Sergio; Bianda, Michele; Manna, Andrea;
Proceedings IAU Symposium , (340), IAU Proceedings Series IAU Publisher, Cambridge University Press, (2018)
The Effect of Sunspot Weighting
Svalgaard, L.; Cagnotti, M.; Cortesi, S.
Solar Physics, Volume 292, Issue 2, article id.34, 19 (2017)
Sunspot Observations and Counting at Specola Solare Ticinese in Locarno Since 1957
Cortesi, S; Cagnotti, M; Bianda, M; Ramelli, R; Manna, A;
Solar Physics, 291 , pp. 3075-3080, (2016).
The Revised Brussels-Locarno Sunspot Number (1981 – 2015)
Clette, F.; Lefèvre, L. ; Cagnotti, M. ; Cortesi, S. ; Bulling, A.;
Solar Physics, Volume 291, Issue 9-10, pp. 2733-2761, (2015)
Lo studio del Sole fra passato e futuro: La Specola Solare Ticinese e il Numero di Wolf
Rapporto di Cagnotti M.: 2011.
Note: The sunspot number is published daily on the WEB and it is communicated to the SILSO, Bruxelles.
The publication of the sunspot number on the Astronomische Mitteilungen has been carried out until 2010.
“Relative sunspot numbers and solar activity 2008-2009”,
Cortesi S. : 2010, Astr. Mitt. N�393 (Comunicaz. Specola Solare Ticinese N�17)
“Relative sunspot numbers and solar activity 2006-2007”,
Cortesi S. : 2008, Astr. Mitt. N�392 (Comunicaz. Specola Solare Ticinese N�16)
“Relative sunspot numbers and solar activity 2004-05”,
Cortesi S. : 2006, Astr. Mitt. N�391 (Comunicaz. Specola Solare Ticinese N�15)
“Attività solare e infarti del miocardio”,
Cortesi S. : 2004, Bollettino della Società ticinese di Scienze naturali-92, p.91
“Relative sunspot numbers and solar activity 2002-03”,
Cortesi S. : 2004, Astr. Mitt. N�390 (Comunicaz. Specola Solare Ticinese N�14)
“Relative sunspot numbers and solar activity 2000-01”,
Cortesi S. : 2002, Astr. Mitt. N�389 (Comunicaz. Specola Solare Ticinese N�13)
“Relative sunspot numbers and solar activity 1998-99”,
Cortesi S. : 2000, Astr. Mitt. N�388 (Comunicaz. Specola Solare Ticinese N�12)
“Relative sunspot numbers and solar activity 1996-97”,
Cortesi S. : 1998, Astr. Mitt. N�387 (Comunicaz. Specola Solare Ticinese N�11)
“Relative sunspot numbers and solar activity 1994-95”
Cortesi S. : 1996, Astr. Mitt. N�386 (Comunicaz. Specola Solare Ticinese N�10)
“Relative sunspot numbers and solar activity 1992-93”
Cortesi S. : 1994, Astr. Mitt. N�385 (Comunicaz. Specola Solare Ticinese N�9)
“Solid state photometry of Delta Scuti star 44 Tau”,
Cortesi S., Poretti E.: 1993, I.A.A.A.P. Communication N� 59, 19
“Relative sunspot numbers and solar activity 1990-91”,
Cortesi S. : 1992, Astr. Mitt. N�384 (Comunicaz. Specola Solare Ticinese N°8)
“Worsening of the seeing conditions observed at Locarno-Monti”,
Cortesi S. : 1991, Astr. Mitt. N�383 (Comunicaz. Specola Solare Ticinese N°7)
“An objective calibration of the relative sunspot number (R)”,
Cortesi S. : 1991, Astr. Mitt. N�382 (Comunicaz. Specola Solare Ticinese N°6)
” Photoelectric photometry of the SR CVN binary EI Eri=HD26397″,
Hooten J.T. et al. (incluso Cortesi S.): 1989, Astrophysics and Space Science, Vol 155, 45.
“No light variability for Omega Gem”,
Cortesi S., Poretti E., Bertoglio A. : 1989, IBVS, 3000,1
“Relative sunspot numbers and solar activity 1988-89”,
Cortesi S. : 1989, Astr. Mitt. N�381 (Comunicaz. Specola Solare Ticinese N�5)
“Relative sunspot numbers and solar activity 1986-87”,
Cortesi S. : 1988, Astr. Mitt. N�380 (Comunicaz. Specola Solare Ticinese N�4)
“Relative sunspot numbers and solar activity 1984-85”,
Cortesi S. : 1987, Astr. Mitt. N�379 (Comunicaz. Specola Solare Ticinese N�3)
“Photom�tre photo�lectrique � diode”,
Cortesi S. : 1985, Atti congresso EEPP2 pag.39-46, Toulouse
“Relative sunspot numbers and solar activity 1982-83”,
Cortesi S. : 1985, Astr. Mitt. N�378 (Comunicaz. Specola Solare Ticinese N�2)
“Relative sunspot numbers and solar activity 1980-81”,
Cortesi S. : 1983, Astr. Mitt. N�377 (Comunicaz. Specola Solare Ticinese N�1)
“Heliographic maps of the photosphere for the year 1979”,
Cortesi S., Zelenka A., Pittini A. : 1980, Publikationen der Eidg. Sternwarte, Vol.XV, 4 , Z�rich
“Quantitative determination of phase effect in measurements of longitudes on Jupiter”,
Cortesi S. : 1978, Icarus, vol 33, 410
“Facules polaires”,
Cortesi S. : 1978, Astr. Mitt. No.362, Zürich
“La qualité des images télescopiques à Locarno-Monti”,
Cortesi S. : 1974, Astr. Mitt. No.334, Zürich.
“Contribution � l’�tude de trois nouvelles taches permanentes de Jupiter”,
Cortesi S. : 1962, Orion (bulletin Soc.Astr.Suisse). 76, 69