Sunan an Nasai
1468
Shadh+2

It was narrated from Tawus from Ibn Abbas that:The Prophet (ﷺ) prayed when there was an eclipse. He recited then he bowed, then he recited then he bowed, then he recited then he bowed, then he recited then he bowed, then he prostrated, and he did the second rak'ahs in same fashion

ShadhAbu Ghuddah
DaifAl-Albani