Rana Secunda is a Latin translation of Al Difdi` al Thani.
For the Arabs Diphda was the Second Frog with Fomalhaut as the First Frog.
Description of the Star ...
Deneb Kaitos; Difda; Difda al Thani; Rana Secunda, the "Second Frog" (the "First Frog" is Fomalhaut = HR 8728).
Beta Ceti
HR 188
HD 4128 ...
 See also: Deneb, Second, Deneb Kaitos, Fomalhaut, Diphda
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