Korhan Yelkenci · Istanbul University Observatory Solar Observations

Korhan Yelkenci Observer record

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Korhan Yelkenci

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KY

Staff

671

Observation days

19

Years with observations

35.3

Mean days / year

67

Best year (2014)

04.02.2008
26.10.2026

First / last observation

2008 34 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																																5
Mar																																6
Apr																																6
May																																10
Jun																																7

2009 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																																4
Aug																																19
Sep																																5
Oct																																6
Nov																																5

2010 34 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																																4
Jun																																5
Jul																																2
Aug																																4
Sep																																4
Oct																																3
Nov																																9
Dec																																3

2011 32 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																																3
May																																6
Jun																																3
Jul																																5
Aug																																4

2012 18 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																																2
Aug																																3
Sep																																2
Oct																																7
Nov																																2
Dec																																2

2013 23 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
Apr																																2
May																																3
Jun																																2
Jul																																5
Aug																																6
Dec																																4

2014 67 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																																9
Apr																																6
May																																4
Jun																																8
Jul																																7
Aug																																5
Sep																																5
Oct																																6
Nov																																4
Dec																																5

2015 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																																1
Mar																																5
Apr																																5
May																																4
Jun																																4
Jul																																4
Aug																																5
Sep																																4
Oct																																4
Nov																																3
Dec																																6

2016 61 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																																5
Apr																																6
May																																6
Jun																																5
Jul																																7
Aug																																1
Sep																																5
Oct																																7
Nov																																6
Dec																																5

2017 48 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																																4
Mar																																3
Apr																																4
May																																4
Jul																																7
Aug																																5
Sep																																3
Oct																																3
Nov																																7
Dec																																3

2018 22 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																																1
Mar																																3
Apr																																5
May																																3
Nov																																1
Dec																																2

2019 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																																1
Feb																																3
Mar																																3
Apr																																4
May																																4
Jun																																3
Jul																																2
Aug																																2
Sep																																4
Oct																																2
Nov																																6
Dec																																2

2020 17 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																																5
Mar																																2
Jun																																3
Jul																																2
Sep																																1
Oct																																1
Nov																																2

2021 14 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																																1
Apr																																1
May																																1
Aug																																2
Sep																																6
Oct																																1
Nov																																1
Dec																																1

2022 21 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																																1
Apr																																1
May																																2
Jun																																2
Aug																																4
Sep																																3
Oct																																4
Nov																																3
Dec																																1

2023 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																																2
Feb																																2
Mar																																3
Apr																																4
May																																5
Jun																																3
Jul																																3
Aug																																5
Sep																																5
Oct																																4
Nov																																3
Dec																																1

2024 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
Feb																																3
Mar																																8
Apr																																9
May																																5
Jun																																5
Jul																																3
Aug																																5
Sep																																6
Oct																																4
Nov																																3
Dec																																3

2025 50 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																																3
Mar																																5
Apr																																3
May																																3
Jun																																7
Jul																																1
Sep																																11
Oct																																5
Nov																																5
Dec																																4

2026 16 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
Apr																																2
May																																1
Jun																																2
Jul																																2
Aug																																3
Sep																																3
Oct																																2