Volume 291, Issue 9-10

Search all Solar Physics articles

November 2016

Sunspot Number Recalibration / Guest Editors: F. Clette, E.W. Cliver, L. Lefèvre, J.M. Vaquero, and L. Svalgaard

34 articles in this issue

Preface to Topical Issue: Recalibration of the Sunspot Number
F. Clette
E. W. Cliver
J. W. Leibacher
Sunspot Number Recalibration 17 November 2016 Pages: 2479 - 2486
Transition of the Sunspot Number from Zurich to Brussels in 1980: A Personal Perspective
J. O. Stenflo
Sunspot Number Recalibration 07 January 2016 Pages: 2487 - 2492
Sunspot Observations During the Maunder Minimum from the Correspondence of John Flamsteed
V. M. S. Carrasco
J. M. Vaquero
Sunspot Number Recalibration 21 April 2016 Pages: 2493 - 2503
Sunspot Observations of Rudolf Wolf from 1849 – 1893
Thomas K. Friedli
Sunspot Number Recalibration Open access 06 June 2016 Pages: 2505 - 2517
Re-examination of the Daily Number of Sunspot Groups for the Royal Observatory, Greenwich (1874 – 1885)
D. M. Willis
M. N. Wild
J. S. Warburton
Sunspot Number Recalibration Open access 18 February 2016 Pages: 2519 - 2552
The Greenwich Photo-heliographic Results (1874 – 1885): Observing Telescopes, Photographic Processes, and Solar Images
D. M. Willis
M. N. Wild
L. T. Macdonald
Sunspot Number Recalibration Open access 17 May 2016 Pages: 2553 - 2586
Historical Heliophysical Series of the Ebro Observatory
J. J. Curto
J. G. Solé
J. M. Vaquero
Sunspot Number Recalibration 03 August 2016 Pages: 2587 - 2607
An Early Sunspot Catalog by Miguel Aguilar for the Period 1914 – 1920
L. Lefèvre
A. J. P. Aparicio
J. M. Vaquero
Sunspot Number Recalibration 06 June 2016 Pages: 2609 - 2628
The New Sunspot Number: Assembling All Corrections
Frédéric Clette
Laure Lefèvre
Sunspot Number Recalibration 16 November 2016 Pages: 2629 - 2651
Reconstruction of the Sunspot Group Number: The Backbone Method
Leif Svalgaard
Kenneth H. Schatten
Sunspot Number Recalibration 18 February 2016 Pages: 2653 - 2684
A New Calibrated Sunspot Group Series Since 1749: Statistics of Active Day Fractions
I. G. Usoskin
G. A. Kovaltsov
S. K. Solanki
Sunspot Number Recalibration 13 January 2016 Pages: 2685 - 2708
Uncertainties in the Sunspot Numbers: Estimation and Implications
Thierry Dudok de Wit
Laure Lefèvre
Frédéric Clette
Sunspot Number Recalibration 14 September 2016 Pages: 2709 - 2731
The Revised Brussels–Locarno Sunspot Number (1981 – 2015)
Frédéric Clette
Laure Lefèvre
Andreas Bulling
Sunspot Number Recalibration 13 April 2016 Pages: 2733 - 2761
The Discontinuity Circa 1885 in the Group Sunspot Number
E. W. Cliver
A. G. Ling
Sunspot Number Recalibration 01 February 2016 Pages: 2763 - 2784
Tests of Sunspot Number Sequences: 1. Using Ionosonde Data
M. Lockwood
C. J. Scott
D. M. Willis
Sunspot Number Recalibration Open access 29 February 2016 Pages: 2785 - 2809
Tests of Sunspot Number Sequences: 2. Using Geomagnetic and Auroral Data
M. Lockwood
M. J. Owens
H. Nevanlinna
Sunspot Number Recalibration Open access 15 June 2016 Pages: 2811 - 2828
Tests of Sunspot Number Sequences: 3. Effects of Regression Procedures on the Calibration of Historic Sunspot Data
M. Lockwood
M. J. Owens
I. G. Usoskin
Sunspot Number Recalibration Open access 18 February 2016 Pages: 2829 - 2841
Tests of Sunspot Number Sequences: 4. Discontinuities Around 1946 in Various Sunspot Number and Sunspot-Group-Number Reconstructions
M. Lockwood
M. J. Owens
L. Barnard
Sunspot Number Recalibration Open access 19 September 2016 Pages: 2843 - 2867
How Deep Was the Maunder Minimum?
N. V. Zolotova
D. I. Ponyavin
Sunspot Number Recalibration 17 August 2016 Pages: 2869 - 2890
Comparison of New and Old Sunspot Number Time Series
E. W. Cliver
Sunspot Number Recalibration 21 June 2016 Pages: 2891 - 2916
Investigation of Sunspot Area Varying with Sunspot Number
K. J. Li
F. Y. Li
W. Feng
Sunspot Number Recalibration 07 November 2016 Pages: 2917 - 2930
A Normalized Sunspot-Area Series Starting in 1832: An Update
V. M. S. Carrasco
J. M. Vaquero
F. Sánchez-Bajo
Sunspot Number Recalibration 12 July 2016 Pages: 2931 - 2940
An Alternative Measure of Solar Activity from Detailed Sunspot Datasets
J. Muraközy
T. Baranyi
A. Ludmány
Sunspot Number Recalibration 17 May 2016 Pages: 2941 - 2950
The Impact of the Revised Sunspot Record on Solar Irradiance Reconstructions
G. Kopp
N. Krivova
J. Lean
Sunspot Number Recalibration 23 March 2016 Pages: 2951 - 2965
Correlation Between Sunspot Number and Ca ii K Emission Index
Luca Bertello
Alexei Pevtsov
Jagdev Singh
Sunspot Number Recalibration 20 June 2016 Pages: 2967 - 2979
Reconstruction of Solar Extreme Ultraviolet Flux 1740 – 2015
Leif Svalgaard
Sunspot Number Recalibration 15 August 2016 Pages: 2981 - 3010
Comparing SSN Index to X-Ray Flare and Coronal Mass Ejection Rates from Solar Cycles 22 – 24
L. M. Winter
R. L. Pernak
K. S. Balasubramaniam
Sunspot Number Recalibration 17 May 2016 Pages: 3011 - 3023
The Revised Sunspot Record in Comparison to Cosmogenic Radionuclide-Based Solar Activity Reconstructions
Raimund Muscheler
Florian Adolphi
Andreas Nilsson
Sunspot Number Recalibration Open access 27 September 2016 Pages: 3025 - 3043
The New Sunspot-Number Index and Solar-Cycle Characteristics
V. M. S. Carrasco
A. J. P. Aparicio
M. C. Gallego
Sunspot Number Recalibration 19 October 2016 Pages: 3045 - 3060
A Revised Collection of Sunspot Group Numbers
J. M. Vaquero
L. Svalgaard
R. Howe
Sunspot Number Recalibration 14 September 2016 Pages: 3061 - 3074
Sunspot Observations and Counting at Specola Solare Ticinese in Locarno Since 1957
Sergio Cortesi
Marco Cagnotti
Andrea Manna
Sunspot Number Recalibration 24 March 2016 Pages: 3075 - 3080
On-line Tools for Solar Data Compiled at the Debrecen Observatory and Their Extensions with the Greenwich Sunspot Data
T. Baranyi
L. Győri
A. Ludmány
Sunspot Number Recalibration 18 August 2016 Pages: 3081 - 3102
70 Years of Sunspot Observations at the Kanzelhöhe Observatory: Systematic Study of Parameters Affecting the Derivation of the Relative Sunspot Number
Werner Pötzi
Astrid M. Veronig
Heinz Strutzmann
Sunspot Number Recalibration 22 March 2016 Pages: 3103 - 3122
Sunspot Numbers from ISOON: A Ten-Year Data Analysis
K. S. Balasubramaniam
T. W. Henry
Sunspot Number Recalibration 01 March 2016 Pages: 3123 - 3138

Volume 291, Issue 9-10

Preface to Topical Issue: Recalibration of the Sunspot Number

Transition of the Sunspot Number from Zurich to Brussels in 1980: A Personal Perspective

Sunspot Observations During the Maunder Minimum from the Correspondence of John Flamsteed

Sunspot Observations of Rudolf Wolf from 1849 – 1893

Re-examination of the Daily Number of Sunspot Groups for the Royal Observatory, Greenwich (1874 – 1885)

The Greenwich Photo-heliographic Results (1874 – 1885): Observing Telescopes, Photographic Processes, and Solar Images

Historical Heliophysical Series of the Ebro Observatory

An Early Sunspot Catalog by Miguel Aguilar for the Period 1914 – 1920

The New Sunspot Number: Assembling All Corrections

Reconstruction of the Sunspot Group Number: The Backbone Method

A New Calibrated Sunspot Group Series Since 1749: Statistics of Active Day Fractions

Uncertainties in the Sunspot Numbers: Estimation and Implications

The Revised Brussels–Locarno Sunspot Number (1981 – 2015)

The Discontinuity Circa 1885 in the Group Sunspot Number

Tests of Sunspot Number Sequences: 1. Using Ionosonde Data

Tests of Sunspot Number Sequences: 2. Using Geomagnetic and Auroral Data

Tests of Sunspot Number Sequences: 3. Effects of Regression Procedures on the Calibration of Historic Sunspot Data

Tests of Sunspot Number Sequences: 4. Discontinuities Around 1946 in Various Sunspot Number and Sunspot-Group-Number Reconstructions

How Deep Was the Maunder Minimum?

Comparison of New and Old Sunspot Number Time Series

Investigation of Sunspot Area Varying with Sunspot Number

A Normalized Sunspot-Area Series Starting in 1832: An Update

An Alternative Measure of Solar Activity from Detailed Sunspot Datasets

The Impact of the Revised Sunspot Record on Solar Irradiance Reconstructions

Correlation Between Sunspot Number and Ca ii K Emission Index

Reconstruction of Solar Extreme Ultraviolet Flux 1740 – 2015

Comparing SSN Index to X-Ray Flare and Coronal Mass Ejection Rates from Solar Cycles 22 – 24

The Revised Sunspot Record in Comparison to Cosmogenic Radionuclide-Based Solar Activity Reconstructions

The New Sunspot-Number Index and Solar-Cycle Characteristics

A Revised Collection of Sunspot Group Numbers

Sunspot Observations and Counting at Specola Solare Ticinese in Locarno Since 1957

On-line Tools for Solar Data Compiled at the Debrecen Observatory and Their Extensions with the Greenwich Sunspot Data

70 Years of Sunspot Observations at the Kanzelhöhe Observatory: Systematic Study of Parameters Affecting the Derivation of the Relative Sunspot Number

Sunspot Numbers from ISOON: A Ten-Year Data Analysis

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