This will also allow you to cut that tiny bit of “star bloat” around your stars to help give you clear defined streaks of light. Stop your aperture down a full stop if you have fast glass (f/2.8 or faster should be dropped to around f/4 or so).When you compile your star trail data, the multiplicative effect will highlight the stars sufficiently and bring out their colour. Yes, you need to amplify the light you collect, but you’re not shooting for tiny light sources in one frame. Photographing star trails should not share the same settings as photographing the Milky Way. And the secret: Don’t blow out your stars! Orange to red stars are approaching the end of their lives, they are bigger and cooler than our sun.Ĭapturing these colours in star trail images can aid in adding a scientifically accurate and dramatic effect to your composition. Yellow stars, like ours, are normally in the middle of their life expectancy. White to blue stars are also hotter than the sun, have a longer lifespan than blue stars, but not as long as our sun. Stars with a blueish-green hues are much hotter than our sun, but have a shorter lifespan. Our own sun is yellow, which is the average mid range of star colour. The colour of a star indicates its surface temperature. They vary from blueish-green tones, to white, yellow, orange and red. But something many people seem to miss is capturing the star colour. Shooting star trails is easily one of my favourite astrophotography subjects.Ĭapturing the motion of the stars as they cross the night sky, combined with something interesting in the foreground makes for memorable photos.
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