Space Weather
Solar Observations
MİRYA Muon Detector
TR
EN
SOLAR OBSERVATIONS
Istanbul University Observatory · Sunspot observations since 1950
Overview
Monthly Report
Sunspot Groups
Observer Schedule
Drawing Archive
Records 1950–2007
Images
H-α Archive
Observers
About
Monthly Sunspot Classification and Coordinates
‹
January
February
March
April
May
June
July
August
September
October
November
December
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
Show
›
February 2009
Monthly report →
No data found.
