Hikmet Çakmak · Istanbul University Observatory Solar Observations

Hikmet Çakmak Observer record

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HÇ

Staff

1,082

Observation days

19

Years with observations

56.9

Mean days / year

116

Best year (2012)

05.07.1988
09.02.2024

First / last observation

1988 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
Jul																																7
Aug																																12
Sep																																8
Oct																																4
Nov																																4
Dec																																4

1989 47 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																																6
Feb																																6
Mar																																3
Apr																																5
May																																8
Jun																																6
Jul																																5
Nov																																4
Dec																																4

1990 9 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																																5
Feb																																2
Mar																																2

2009 8 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
Nov																																8

2010 81 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																																15
Jun																																17
Jul																																14
Aug																																8
Sep																																10
Oct																																4
Nov																																6
Dec																																7

2011 97 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																																9
Feb																																6
Mar																																7
Apr																																6
May																																8
Jun																																10
Jul																																5
Aug																																9
Sep																																13
Oct																																6
Nov																																9
Dec																																9

2012 116 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																																8
Feb																																12
Mar																																7
Apr																																14
May																																12
Jun																																12
Jul																																6
Aug																																7
Sep																																9
Oct																																8
Nov																																13
Dec																																8

2013 114 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																																7
Feb																																6
Mar																																10
Apr																																9
May																																10
Jun																																12
Jul																																13
Aug																																8
Sep																																7
Oct																																9
Nov																																14
Dec																																9

2014 111 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																																11
Feb																																11
Mar																																8
Apr																																15
May																																15
Jun																																8
Jul																																7
Aug																																7
Sep																																9
Oct																																9
Nov																																7
Dec																																4

2015 54 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																																4
Apr																																5
May																																5
Jun																																8
Jul																																5
Aug																																5
Sep																																5
Oct																																4
Nov																																5
Dec																																4

2016 58 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																																4
Mar																																4
Apr																																6
May																																5
Jun																																5
Jul																																6
Aug																																8
Sep																																4
Oct																																5
Nov																																3
Dec																																4

2017 58 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																																5
Feb																																3
Mar																																5
Apr																																4
May																																4
Jun																																7
Jul																																7
Aug																																2
Sep																																5
Oct																																5
Nov																																3
Dec																																8

2018 79 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																																4
Mar																																9
Apr																																10
May																																5
Jun																																8
Jul																																7
Aug																																9
Sep																																11
Oct																																8
Nov																																4

2019 54 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																																5
Feb																																5
Mar																																3
Apr																																6
May																																5
Jun																																5
Jul																																5
Aug																																7
Sep																																5
Oct																																5
Nov																																2
Dec																																1

2020 30 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																																3
Jun																																6
Jul																																4
Sep																																3
Oct																																3
Nov																																3
Dec																																1

2021 27 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																																2
Apr																																1
May																																1
Jun																																1
Jul																																4
Aug																																3
Sep																																3
Oct																																1
Nov																																5
Dec																																3

2022 43 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
Feb																																3
Mar																																3
May																																5
Jun																																4
Jul																																6
Aug																																7
Sep																																5
Oct																																3
Nov																																3
Dec																																4

2023 49 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																																4
Mar																																3
Apr																																4
May																																3
Jun																																5
Jul																																7
Aug																																7
Sep																																5
Oct																																3
Nov																																2
Dec																																2

2024 8 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																																4