Serpens Cauda References Serpens Cauda astronomy Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Serpens… and 10° north in declination; Serpens Cauda is at about 18 hours right ascension and 10° south in declination. Its brightest star is Unukalhai (from the Arabic for “the serpent’s neck”), with a magnitude of 2.7. Read More… and 10° north in declination; Serpens Cauda is at about 18 hours right ascension and 10° south in declination. Its brightest star is Unukalhai (from the Arabic for “the serpent’s neck”), with a magnitude of 2.7. Read More