Narrated Abu Mas`ud:
The Prophet said, "The sun and the moon do not eclipse because of the death of someone from the people but they are two signs amongst the signs of Allah. When you see them stand up and pray."
Reference : Sahih al-Bukhari 1041
In-book reference : Book 16, Hadith 2
USC-MSA web (English) reference : Vol. 2, Book 18, Hadith 151
jazakAllah