Diurnal auroral occurrence statistics obtained via machine vision

Syrjäsuo, M. T.; Donovan, E. F.

doi:10.5194/angeo-22-1103-2004

Articles | Volume 22, issue 4

https://doi.org/10.5194/angeo-22-1103-2004

© Author(s) 2004. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/angeo-22-1103-2004

© Author(s) 2004. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 22, issue 4

02 Apr 2004

| 02 Apr 2004

Diurnal auroral occurrence statistics obtained via machine vision

M. T. Syrjäsuo and E. F. Donovan

Viewed

Total article views: 2,850 (including HTML, PDF, and XML)

HTML	PDF	XML	Total	BibTeX	EndNote
1,813	959	78	2,850	132	171

HTML: 1,813
PDF: 959
XML: 78
Total: 2,850
BibTeX: 132
EndNote: 171

Views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	1	6	0	7
Mar 2013	2	6	1	9
Apr 2013	45	7	0	52
May 2013	2	4	0	6
Jun 2013	5	7	0	12
Jul 2013	4	5	0	9
Aug 2013	8	6	0	14
Sep 2013	8	0	8
Oct 2013	5	9	0	14
Nov 2013	1	6	0	7
Dec 2013	1	8	0	9
Jan 2014	1	9	0	10
Feb 2014	6	10	2	18
Mar 2014	11	6	0	17
Apr 2014	2	7	0	9
May 2014	1	9	0	10
Jun 2014	1	8	0	9
Jul 2014	3	10	0	13
Aug 2014	2	8	0	10
Sep 2014	3	8	0	11
Oct 2014	1	5	0	6
Nov 2014	5	11	0	16
Dec 2014	1	6	0	7
Jan 2015	1	4	0	5
Feb 2015	1	3	1	5
Mar 2015	1	1	0	2
Apr 2015	3	4	0	7
May 2015	7	2	0	9
Jun 2015	23	1	0	24
Jul 2015	16	2	0	18
Aug 2015	12	7	0	19
Sep 2015	6	3	0	9
Oct 2015	16	4	0	20
Nov 2015	18	2	0	20
Dec 2015	8	1	0	9
Jan 2016	16	8	1	25
Feb 2016	10	5	1	16
Mar 2016	13	2	0	15
Apr 2016	7	1	0	8
May 2016	6	2	0	8
Jun 2016	5	3	0	8
Jul 2016	3	7	1	11
Aug 2016	3	7	0	10
Sep 2016	5	1	0	6
Oct 2016	10	2	0	12
Nov 2016	3	0	3
Dec 2016	4	3	0	7
Jan 2017	6	4	1	11
Feb 2017	5	0	5
Mar 2017	5	7	0	12
Apr 2017	8	2	0	10
May 2017	13	3	0	16
Jun 2017	9	6	0	15
Jul 2017	7	2	0	9
Aug 2017	3	1	0	4
Sep 2017	3	5	0	8
Oct 2017	2	4	0	6
Nov 2017	3	7	1	11
Dec 2017	4	5	0	9
Jan 2018	6	8	0	14
Feb 2018	5	2	0	7
Mar 2018	9	3	0	12
Apr 2018	2	4	0	6
May 2018	8	3	0	11
Jun 2018	3	2	0	5
Jul 2018	4	3	0	7
Aug 2018	8	6	0	14
Sep 2018	6	4	0	10
Oct 2018	3	8	0	11
Nov 2018	7	7	0	14
Dec 2018	6	8	0	14
Jan 2019	4	6	0	10
Feb 2019	5	3	0	8
Mar 2019	4	12	0	16
Apr 2019	2	4	0	6
May 2019	5	8	0	13
Jun 2019	3	9	0	12
Jul 2019	2	5	0	7
Aug 2019	3	3	0	6
Sep 2019	1	0	1
Oct 2019	1	7	1	9
Nov 2019	2	6	0	8
Dec 2019	3	4	0	7
Jan 2020	9	8	1	18
Feb 2020	5	3	0	8
Mar 2020	3	4	0	7
Apr 2020	2	2	0	4
May 2020	3	4	0	7
Jun 2020	8	11	0	19
Jul 2020	16	13	8	37
Aug 2020	7	8	4	19
Sep 2020	8	7	0	15
Oct 2020	7	8	0	15
Nov 2020	3	7	0	10
Dec 2020	10	11	0	21
Jan 2021	12	5	0	17
Feb 2021	6	6	0	12
Mar 2021	10	7	0	17
Apr 2021	8	10	0	18
May 2021	7	5	0	12
Jun 2021	9	2	0	11
Jul 2021	4	7	0	11
Aug 2021	14	3	0	17
Sep 2021	11	8	0	19
Oct 2021	5	26	0	31
Nov 2021	5	9	0	14
Dec 2021	7	1	0	8
Jan 2022	11	8	0	19
Feb 2022	11	9	2	22
Mar 2022	9	6	0	15
Apr 2022	2	6	1	9
May 2022	10	6	1	17
Jun 2022	15	7	2	24
Jul 2022	12	5	1	18
Aug 2022	10	6	0	16
Sep 2022	11	7	0	18
Oct 2022	13	2	0	15
Nov 2022	13	10	0	23
Dec 2022	18	10	0	28
Jan 2023	16	13	0	29
Feb 2023	23	4	0	27
Mar 2023	42	5	0	47
Apr 2023	10	8	0	18
May 2023	18	8	2	28
Jun 2023	8	1	0	9
Jul 2023	11	2	1	14
Aug 2023	18	7	3	28
Sep 2023	41	3	2	46
Oct 2023	136	1	0	137
Nov 2023	191	3	0	194
Dec 2023	15	0	15
Jan 2024	3	1	0	4
Feb 2024	6	6	0	12
Mar 2024	9	6	1	16
Apr 2024	10	4	5	19
May 2024	16	4	4	24
Jun 2024	6	5	2	13
Jul 2024	9	5	1	15
Aug 2024	16	4	1	21
Sep 2024	16	5	1	22
Oct 2024	18	4	0	22
Nov 2024	9	6	2	17
Dec 2024	16	9	0	25
Jan 2025	10	12	0	22
Feb 2025	16	8	0	24
Mar 2025	23	4	1	28
Apr 2025	18	10	1	29
May 2025	21	5	1	27
Jun 2025	38	11	0	49
Jul 2025	17	12	0	29
Aug 2025	25	6	0	31
Sep 2025	14	6	2	22
Oct 2025	19	25	2	46
Nov 2025	24	11	2	37
Dec 2025	31	18	4	53
Jan 2026	33	19	6	58
Feb 2026	29	11	2	42
Mar 2026	33	12	1	46
Apr 2026	8	2	1	11

Cumulative views and downloads (calculated since 01 Feb 2013)

Month	HTML	PDF	XML	Total
Feb 2013	1	6	0	7
Mar 2013	2	6	1	9
Apr 2013	45	7	0	52
May 2013	2	4	0	6
Jun 2013	5	7	0	12
Jul 2013	4	5	0	9
Aug 2013	8	6	0	14
Sep 2013	8	0	8
Oct 2013	5	9	0	14
Nov 2013	1	6	0	7
Dec 2013	1	8	0	9
Jan 2014	1	9	0	10
Feb 2014	6	10	2	18
Mar 2014	11	6	0	17
Apr 2014	2	7	0	9
May 2014	1	9	0	10
Jun 2014	1	8	0	9
Jul 2014	3	10	0	13
Aug 2014	2	8	0	10
Sep 2014	3	8	0	11
Oct 2014	1	5	0	6
Nov 2014	5	11	0	16
Dec 2014	1	6	0	7
Jan 2015	1	4	0	5
Feb 2015	1	3	1	5
Mar 2015	1	1	0	2
Apr 2015	3	4	0	7
May 2015	7	2	0	9
Jun 2015	23	1	0	24
Jul 2015	16	2	0	18
Aug 2015	12	7	0	19
Sep 2015	6	3	0	9
Oct 2015	16	4	0	20
Nov 2015	18	2	0	20
Dec 2015	8	1	0	9
Jan 2016	16	8	1	25
Feb 2016	10	5	1	16
Mar 2016	13	2	0	15
Apr 2016	7	1	0	8
May 2016	6	2	0	8
Jun 2016	5	3	0	8
Jul 2016	3	7	1	11
Aug 2016	3	7	0	10
Sep 2016	5	1	0	6
Oct 2016	10	2	0	12
Nov 2016	3	0	3
Dec 2016	4	3	0	7
Jan 2017	6	4	1	11
Feb 2017	5	0	5
Mar 2017	5	7	0	12
Apr 2017	8	2	0	10
May 2017	13	3	0	16
Jun 2017	9	6	0	15
Jul 2017	7	2	0	9
Aug 2017	3	1	0	4
Sep 2017	3	5	0	8
Oct 2017	2	4	0	6
Nov 2017	3	7	1	11
Dec 2017	4	5	0	9
Jan 2018	6	8	0	14
Feb 2018	5	2	0	7
Mar 2018	9	3	0	12
Apr 2018	2	4	0	6
May 2018	8	3	0	11
Jun 2018	3	2	0	5
Jul 2018	4	3	0	7
Aug 2018	8	6	0	14
Sep 2018	6	4	0	10
Oct 2018	3	8	0	11
Nov 2018	7	7	0	14
Dec 2018	6	8	0	14
Jan 2019	4	6	0	10
Feb 2019	5	3	0	8
Mar 2019	4	12	0	16
Apr 2019	2	4	0	6
May 2019	5	8	0	13
Jun 2019	3	9	0	12
Jul 2019	2	5	0	7
Aug 2019	3	3	0	6
Sep 2019	1	0	1
Oct 2019	1	7	1	9
Nov 2019	2	6	0	8
Dec 2019	3	4	0	7
Jan 2020	9	8	1	18
Feb 2020	5	3	0	8
Mar 2020	3	4	0	7
Apr 2020	2	2	0	4
May 2020	3	4	0	7
Jun 2020	8	11	0	19
Jul 2020	16	13	8	37
Aug 2020	7	8	4	19
Sep 2020	8	7	0	15
Oct 2020	7	8	0	15
Nov 2020	3	7	0	10
Dec 2020	10	11	0	21
Jan 2021	12	5	0	17
Feb 2021	6	6	0	12
Mar 2021	10	7	0	17
Apr 2021	8	10	0	18
May 2021	7	5	0	12
Jun 2021	9	2	0	11
Jul 2021	4	7	0	11
Aug 2021	14	3	0	17
Sep 2021	11	8	0	19
Oct 2021	5	26	0	31
Nov 2021	5	9	0	14
Dec 2021	7	1	0	8
Jan 2022	11	8	0	19
Feb 2022	11	9	2	22
Mar 2022	9	6	0	15
Apr 2022	2	6	1	9
May 2022	10	6	1	17
Jun 2022	15	7	2	24
Jul 2022	12	5	1	18
Aug 2022	10	6	0	16
Sep 2022	11	7	0	18
Oct 2022	13	2	0	15
Nov 2022	13	10	0	23
Dec 2022	18	10	0	28
Jan 2023	16	13	0	29
Feb 2023	23	4	0	27
Mar 2023	42	5	0	47
Apr 2023	10	8	0	18
May 2023	18	8	2	28
Jun 2023	8	1	0	9
Jul 2023	11	2	1	14
Aug 2023	18	7	3	28
Sep 2023	41	3	2	46
Oct 2023	136	1	0	137
Nov 2023	191	3	0	194
Dec 2023	15	0	15
Jan 2024	3	1	0	4
Feb 2024	6	6	0	12
Mar 2024	9	6	1	16
Apr 2024	10	4	5	19
May 2024	16	4	4	24
Jun 2024	6	5	2	13
Jul 2024	9	5	1	15
Aug 2024	16	4	1	21
Sep 2024	16	5	1	22
Oct 2024	18	4	0	22
Nov 2024	9	6	2	17
Dec 2024	16	9	0	25
Jan 2025	10	12	0	22
Feb 2025	16	8	0	24
Mar 2025	23	4	1	28
Apr 2025	18	10	1	29
May 2025	21	5	1	27
Jun 2025	38	11	0	49
Jul 2025	17	12	0	29
Aug 2025	25	6	0	31
Sep 2025	14	6	2	22
Oct 2025	19	25	2	46
Nov 2025	24	11	2	37
Dec 2025	31	18	4	53
Jan 2026	33	19	6	58
Feb 2026	29	11	2	42
Mar 2026	33	12	1	46
Apr 2026	8	2	1	11

Latest update: 21 Apr 2026