It would be -1 the further Negative you go the brighter the star.
Epsilon Sagittarii (Kaus Australis) is the brightest star in the constellation Sagittarius with an apparent visual magnitude of +1.8.
Rigel is the brightest star in Orion and the sixth brightest star in the sky, with an apparent magnitude of 0.18.
The second brightest star is Canopus with an apparent magnitude of -0.72The brightest is Sirius with an apparent magnitude of -1.47
Beta Aquarii, Sadalsuud, is the brightest star in Aquarius with an apparent magnitude of 2.89.
Alpha Persei (Mirfak or Algenib) is the brightest star in the constellation of Perseus.It has an apparent magnitude of 1.79 and an absolute magnitude of -4.50
Eta Piscium is the brightest star in the constellation Pisces
The brightest star in Gemini is Pollux, an orange giant star of magnitude 1.2
The brightest star as seen from Earth is the sun. The brightest star in the night sky is Sirius.
Regulus is the brightest star in Leo, with a maximum apparent magnitude of 1.35. It is located 77.5 light years from Earth, and is the 22nd brightest star in the nighttime sky.
Well the brightest star in our sky is the Sun, and it has a magnitude of -26
The brightest star in Norma is γ2 Nor with an apparent magnitude of +4.01
The Brightest star in the Lynx constellation is the Alpha Lyncis, With a magnitude of 3.2