The star might appear new, but it's actually just the variable star Mira near its brightest.
Rolling your cursor over the above vertically compressed image will identify the unusual star Mira, a star that can change from practical invisibility to one of the brighter stars on the sky over the course of a year.
Although similar in mass to our Sun, Mira tenuous and cool atmosphere could extend out past the orbit of Mars, and achieve a luminosity over 10,000 times greater than our Sun.
Mira is near the end of its life and its variability is somewhat erratic.
Details of Mira's variability are still being researched, but the reason for Mira's pulsations are thought related to periodic changes in the thickness of parts of Mira's atmosphere.
i glaub i weis welä das es isch, ha mi scho immer gwundäräd über dä farbwechselnd stern :-)
also wenn ich richtig dütschland luegä fu rorschach us isch er am obig am 10 öppä gnau östlich 45°. Er isch ä so hell das en nöd verfählä chasch.
edit:
guet isch glaub nöd dä, aber wenn öpper weis wa für ein ich mein söll ers gfälligscht sägä!
