How many photos do I need for star trails?
You should shoot up to 200 or even 300 shots to get a decent star trails. Make sure there is no delay between shots (less than one second) because this can cause a break in the star trails rather than a smooth one.
How do you shoot long exposure star trails?
Making Star Trails
Place your camera on a tripod and focus the lens to infinity. You’ll want to use a cable release to eliminate camera shake of any kind, as it will RUIN your photo. Set the camera to B “Bulb” shooting mode and set your aperture between f/2.8 – f/4 for optimal results.
Can you stack photos in Photoshop?
Use a script to create an image stack
Choose File > Scripts > Statistics. Choose a stack mode from the Choose Stack Mode menu. … Photoshop combines the multiple images into a single multilayered image, converts the layers into a Smart Object, and applies the selected stack mode.