You may only work with one focal length or you may have an array of scopes, flatteners and focal lenghts. If I am using my WO Flat6A II flattener, this reduces the focal length by 0.8 effectively makng the focal length 336mm and increasing the field of view(FOV). This doesnt reduce the focal length so my first profile with the native focal length is ok. If you are using a flattener/reducer, then you would need to put in the equivalent focal length if using a reducer. For me, I use the name of my scope, a William Optics GT71 and I input its focal length of 420mm. When APT connects to your camera, it will auto detect the pixel size and sensor size and use this information along with your scope focal length to determine the field of view of the image you are trying to platesolve.Ĭlick on the button with 3 dots and select the Profile tab.Īdd a new Profile. Basically, you need to enter the focal length of your scope. In here we are going to setup the profile of your scope. In here we will find the object calculator below the camera tab.
On the right hand side, go to the tools tab. More information and downloads can be found here: įor this tutorial I have uninstalled all the previous software and files I've used in the past so its a fresh install from scratch again. It can control your camera, image plans, control the mount, control focus, filterwheels etc. This is quite a long post but I've added lots of screenshots to try and make it easy for the user to follow.Īstrophotography Tool is a brilliant free program that can control your entire imaging session. I've recently invested in a new laptop and have installed all my astro imaging stuff onto that so while its still fresh on my mind, I've decided to do a tutorial with step by step instructions of how to setup platesolving in APT. I'm no computer guru but I'm comfortable enough to be able to navigate my way around Windows. Though people do try to offer advice on the forum, if your not IT savvy then it can be a struggle.
I've seen a few threads where people are struggling to setup the platesolving routine in Astrophotography Tool.
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