It is advisable to capturer something in the foreground. Having just stars would be boring. Here, I lit the flag with my flashlight placed right underneath my tripod. Also, I had my headlamp aiming at the flag. (Sony a7s, Sony/Zeiss FE 4/24-70 at 24 mm, f/4, 8 sec, ISO = 400, Tripod)
I rather shoot at night than during the mid day. If you are at a decently dark place, not in the middle of the city, you can shoot stars with a reasonably priced camera. As long as you have a "manual" mode in your camera, you can capture the starry night. Must-haves are a tripod and a digital camera that allows you to set on the "manual" mode. You need a manual mode because you need to collect a lot of light into the camera's sensor without disturbing the image. Too get a lot of light into your camera, you need 1) a wide aperture, 2) longer exposure, 3) higher ISO (sensitivity) and 4) dark sky. If you can open the aperture to f/1.4, that's great but many of the decently priced lenses only go up to f/3.5-4.0. That's fine. You can decrease the shutter speed (or open the shutter for a longer time) to compensate for that. But, be careful not to keep the shutter open for too long. The stars move (or the earth rotates). If you keep the shutter open for too long, the stars become a line (not a dot). I don't recommend having the shutter open for more than 30 seconds. If it's still too dark, you can always increase the ISO. But, be careful. More noise will show with a higher ISO.
It is advisable to capturer something in the foreground. Having just stars would be boring. Here, I lit the flag with my flashlight placed right underneath my tripod. Also, I had my headlamp aiming at the flag. (Sony a7s, Sony/Zeiss FE 4/24-70 at 24 mm, f/4, 8 sec, ISO = 400, Tripod)
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