Seguramente si que sea Venus, quizás esta información ayude...
El cielo de Mayo del 2015:
Fuente(s):
https://www.cfa.harvard.edu/skyreport
http://earthsky.org/astronomy-essentials/visible-planets-tonight-mars-jupiter-venus-saturn-mercury
El cielo de Mayo del 2015:
CitarIn the first half of May, 2015, Jupiter makes a line with the brightest planet, Venus, which you'll see in the west – and with Mercury, which is low in the sky shortly after the sun goes down.
Fuente(s):
https://www.cfa.harvard.edu/skyreport
http://earthsky.org/astronomy-essentials/visible-planets-tonight-mars-jupiter-venus-saturn-mercury