![]() ![]() New Camera: Canon Rebel T3i (600D)Īfter much consideration, I have decided to finally upgrade my primary imaging camera to a Canon Rebel T3i. This time, it was my primary imaging camera that needed replacement. However, my passion for imaging couldn’t be stronger as I have recently added some new astrophotography equipment to my arsenal. This weather is sure to get any backyard astrophotographer down. My deep-sky imaging has been put on hold as it has been cloudy for nearly 3 weeks straight. If you are interested in the full explanation of this process, follow the link below.Īstrophotography Tutorial – Align and stack exposures in Photoshop Capture longer exposures The simplicity and effectiveness of this technique is something all astrophotography enthusiasts can benefit from. The reason this technique is referred to as “manual stacking” is that the user layers each exposure manually, rather than loading the frames into Deep Sky Stacker. 30-second exposures at wide focal lengths do not contain much star-trailing and are perfect candidates for this treatment. Don’t confuse this fact into thinking this method does not work without a tracking mount. In my example, the camera happened to be sitting on top of a telescope on a German equatorial mount. By taking 10-12 shots of the same scene, your final composite version will have much less noise, a smoother background, and more detail. Let’s say you have taken a 30-second exposure of the starry night sky with your camera on a tripod. The key is to gradually reduce the opacity of each layer until you reach the top of the image set.īasic Astrophotography Camera Settings and Tips Manual stacking is easy with Adobe Photoshop (Lightroom will also work) The main idea is to reduce noise by layering single exposures gradually, effectively canceling out much of the noise from a single frame. The 2 software applications used in this tutorial are Adobe Bridge and Adobe Photoshop. This technique requires no darks frames, no stacking software, and no tracking mount. This night sky photo contains 11 exposures stacked manually in Photoshop
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