@article{meftah:insu-01328471, TITLE = {{On HMI solar oblateness during solar cycle 24 and impact of the space environment on results}}, AUTHOR = {Meftah, Mustapha and Hauchecorne, Alain and Bush, R. I. and Irbah, Abdanour}, URL = {https://insu.hal.science/insu-01328471}, JOURNAL = {{Advances in Space Research}}, PUBLISHER = {{Elsevier}}, VOLUME = {58}, NUMBER = {7}, PAGES = {1425-1440}, YEAR = {2016}, DOI = {10.1016/j.asr.2016.06.003}, KEYWORDS = {Sun ; Solar oblateness ; Solar activity ; Telescopes}, HAL_ID = {insu-01328471}, HAL_VERSION = {v1}, }