Başar Coşkunoğlu · Istanbul University Observatory Solar Observations

Başar Coşkunoğlu Observer record

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BC

Staff

485

Observation days

15

Years with observations

32.3

Mean days / year

53

Best year (2016)

17.05.2010
24.02.2024

First / last observation

2010 41 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
May																																2
Jun																																2
Jul																																14
Aug																																6
Sep																																3
Oct																																5
Nov																																6
Dec																																3

2011 45 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																3
Feb																																2
Mar																																2
Apr																																3
May																																4
Jun																																7
Jul																																6
Aug																																5
Sep																																5
Oct																																4
Nov																																1
Dec																																3

2012 40 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																1
Feb																																1
Mar																																4
Apr																																3
May																																2
Jun																																4
Jul																																6
Aug																																5
Sep																																6
Oct																																4
Nov																																1
Dec																																3

2013 44 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																3
Mar																																1
Apr																																5
May																																2
Jun																																5
Jul																																4
Aug																																4
Sep																																5
Oct																																5
Nov																																5
Dec																																5

2014 13 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																3
Feb																																1
Mar																																3
Apr																																2
Aug																																2
Sep																																2

2015 39 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																1
Feb																																2
Mar																																1
Apr																																2
May																																2
Jun																																4
Jul																																7
Aug																																4
Sep																																5
Oct																																4
Nov																																4
Dec																																3

2016 53 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																4
Feb																																3
Mar																																4
Apr																																4
May																																5
Jun																																5
Jul																																4
Aug																																7
Sep																																6
Oct																																4
Nov																																4
Dec																																3

2017 36 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																2
Feb																																1
Mar																																2
Apr																																4
May																																4
Jun																																6
Jul																																1
Aug																																4
Sep																																5
Oct																																4
Nov																																3

2018 35 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																3
Feb																																1
Mar																																2
Apr																																2
May																																2
Jun																																2
Jul																																6
Aug																																5
Sep																																4
Oct																																4
Nov																																3
Dec																																1

2019 33 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																2
Mar																																3
Apr																																2
May																																1
Jun																																3
Jul																																3
Aug																																7
Sep																																2
Oct																																3
Nov																																5
Dec																																2

2020 24 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																3
Feb																																4
Jul																																4
Aug																																4
Sep																																2
Oct																																3
Nov																																3
Dec																																1

2021 20 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																2
Feb																																1
Mar																																2
Apr																																1
Jun																																1
Jul																																2
Aug																																3
Sep																																2
Oct																																3
Nov																																2
Dec																																1

2022 24 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																3
Mar																																1
Apr																																1
May																																2
Jun																																3
Jul																																3
Sep																																4
Oct																																1
Nov																																3
Dec																																3

2023 33 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																1
Feb																																3
Mar																																1
Apr																																1
May																																2
Jun																																5
Jul																																4
Aug																																3
Sep																																5
Oct																																6
Nov																																2

2024 5 days

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Σ
Jan																																3
Feb																																2