1.
| Conf. Talk (Inv.) The sunspot number recalibration, an ongoing effort
/ Lefèvre, Laure ; Bhattacharya, Shreya ; et al
Invited talk presented at Space Climate 9, Nagoya, Japan on 2024-10-04
[CTALK-2025-0015]
|
2.
| Conf. Talk (Inv.) Space Weather Cooperation in the context of ground based Observational Data at the SIDC
/ Bhattacharya, Shreya ; Lefèvre, Laure ; et al
Invited talk presented at COSPAR 2024 45th Assembly, Korea on 2024-07-17
[CTALK-2025-0014]
|
3.
| Science Article (Ref.) Rudolf Wolf to Alfred Wolfer: The Transfer of the Reference Observer in the International Sunspot Number Series (1876–1893)
/ Bhattacharya, S. ; Lefèvre, L. ; Chatzistergos, T. ; Hayakawa, H. ; et al
published in Solar Physics, 299 issue 4, pp. 45 (2024)
10.1007/s11207-024-02261-7
[SCART-2025-0025]
|
4.
| Science Article (Ref.) Katsue Misawa's sunspot observations in 1921-1934: a primary reference for the Wolfer-Brunner transition
/ Hayakawa, Hisashi ; Suyama, Toru ; Clette, Frédéric ; Bhattacharya, Shreya ; et al
accepted to be published in Monthly Notices of The Royal Astronomical Society issue September 2023 (2023)
10.1093/mnras/stad2791
[SCART-2024-0142]
|
5.
| Dataset USET whole-disk images - L0
/ Clette, Frédéric ; Bechet, Sabrina ; et al
[DATASET-2024-0020]
|
6.
| Dataset USET daily sunspot drawings (photosphere)
/ Clette, Frédéric ; Bechet, Sabrina ; et al
[DATASET-2024-0019]
|
7.
| Conf. Talk (Inv.) Sunspot number, group number and F10.7: new insights
/ Clette, Frédéric ; Lefèvre, Laure ; et al
Invited talk presented at Space Climate 8 symposium: Climate in space and on Earth, Krakow, Poland on 2022-09-19
[CTALK-2023-0002]
|
8.
| Dataset USET daily sunspot drawings (photosphere)
/ Clette, Frédéric ; Bechet, Sabrina ; et al
[DATASET-2023-0011]
|
9.
| Dataset USET whole-disk Calcium II K images (chromosphere)
/ Clette, Frédéric ; Bechet, Sabrina ; et al
[DATASET-2023-0010]
|
10.
| Dataset USET whole-disk H-alpha images (chromosphere)
/ Clette, Frédéric ; Bechet, Sabrina ; et al
[DATASET-2023-0009]
|