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Star stacking software12/2/2022 ![]() ![]() Dithering is changing the scope pointing a small amount between exposures to help deal with noise and hot pixels in the images. Once you get a little more advanced, using a laptop at the scope can make pointing and camera control a little bit easier and also allow more advanced techniques such autoguiding, and dithering. I didn't even have a Go To mount, I just used setting circles and star charts. I shot without a computer at the telescope for 20 years back in the days of film before digital cameras. You can focus with Live View, and then take test exposures to determine the correct exposure and framing of the object you want to shoot. When you first start out it is much easier to skip the computer. Now you need to go through and and click on the comet head from each image in each group.You don't really need a computer and software at the telescope to shoot astrophotos. Also make sure to add your calibration data so its incorporated in the stack.Īfter you set that up you want to go to align and select the Manual 1 star - Shift Only option. If you are using a MONO camera make sure to set group to individual planes and check each filter to make sure the identifiers are associated correctly. ![]() ![]() In Maxim open up the stack feature or the + icon and add all your subs. Now this may work in other stacking programs provided they allow you to do one star alignment. We will start out with the MAXIM DL version. The comet data should have elongated stars and the star data will have pinpoint stars with a comet shifting in each sub. One data set guided on the stars and one data set guided on the comet head. You should have 2 data sets when doing comets. We will do one set through Pixinsight with Photoshop and Maxim DL with Photoshop. If you want a comet image without star trails it requires a composite image. If you stack against the stars you get a trail of comet heads and if you stack against the comet you get star trails. One of the most difficult objects to process are Comets. ![]()
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