Autostakkert 3: Stacking Lunar Images

hello and welcome to this tutorial on Auto stackert for lunar images the version of water stack I've got here is a s3 there's some slight differences between a s2 I would definitely recommend downloading the s3 and using that as it is a I find it gives a better result so when you open the program you get these two windows the first one here this is your control window this sweep input your settings for the stack and the second window here is the preview window so when you're loading a capture you'll be able to see it in this window generally you will use the left-hand side for the quality assessment these are the settings for auto stack it's used to assess the quality of the the capture the center panel here this is the status there's no real settings here just tells you what it's doing and the right-hand panel here is you're stacking options you'll use these when after you've done the quality analysis you'll use these options to stack stack the image either top you got some settings for debayering you've got some calibration settings for darks flats etc and you've got some advanced settings which may be worth experimenting with and experiment of features you have d rotation settings so if you've got some d rotation if you've got a Alta haz-mat you'll need to do some measurements you'll need to input your latitude longitude the object the object altitude azimuth duration and the rotation between the first frame and the last frame but I should help if you've got an alter has mount so let's get started I'm going to open the file which is just here on my desktop you can also drag and drop so the the the capture opens up in the preview window here so I'm gonna zoom up to 100% so I'm granting that down a bit so I can see the whole image so at the top here you can scroll through your frames with this slider and you can see them all you can deselects bad frames with the spacebar so back to the control menu so you've got some settings here image stabilisation the surface or planets so it's not a planet or actually on a surface so we'll take the surface box it a key or prompt you to set your image stabilization anchor control and click to set that I usually set it around a feature that's prominent in it within the image I always takes improve tracking slower in terms of the analysis but because my mount is fairly wobbly with my long scope on it but the recording tends to jump around a lot so I'll take that improve tracking box I'll expand because I want the whole frame the whole image to be shown and I don't want notice I get two quads matically I'll do that myself the quality estimator so that bliss I always have that ticked it needs a higher it says in the description needs a higher and always robust so I set out to about six even though the data itself is fairly clean it's not very noisy and then I'm going to hit analyze okay so the analysis is complete and the program has returned this graph in the center so it's got a grey line in the background which is the the quality of the capture in collected order so first frame on the Left through to the last frame on the right and generally the frames you want to stack are these good ones here with the higher week values the green line here is a quality assessment in in quality order so top quality at the start and then down to least quality at the end so if you click into the graph you can you can see where these frames are so that is frame number 1031 of 3,000 say generally from 1000 to 1500 40 so I've got about a thousand frames that are very high quality so those are the ones I'm going to stack it's about a third of the overall capture going over to the preview screen here you can see that the now got this red box around the image so it's telling me that that's the maximum size that I can I can produce for the tip because that's that's the region that all frames cover so if you've got a very jumpy recording and it's all over the place drifting around that red box will get smaller and smaller if your tracking is absolutely perfect red box will be pretty much the size of the entire image okay so I've decided I want to stack a thousand I want to output Tiff's I want to stack a thousand frames you can enter more values in here and you can't reduce further stacks if you're not sure how many frames you want you can also stack by percentage it will take a little bit longer if you if you input more more frames to stack more what stacks to produce you can produce PNG fits here you can take the sharpen box and it will produce the raw stats TIFF as well as a sharpened tip as well that's just really for image assessment on the fly I usually leave that off and then in the bottom you've got chisel settings so if you're under sampled you can drizzle by 1.5 or by 3 in resampled like 2 so that's you know if you've got short focal lengths big pixels you can use the visual settings I'm usually over sampling so that you're probably using them so the stacked button is grayed out in the minute that's because you haven't got any alignment points so back to the preview screen we want to place alignment points on the image so the alignment points are telling you telling all this Dekker these features that you you want to align essentially I found the best way to do this it's just a place they could automatically get auto snacker to do itself and you can do that over here place AP great button I need to always tick the multiscale button to get different sized alignment points just hit that I'll throw them on there okay so I've got two hundred forty three points not too bad you don't want thousands because it will take ages for more points you've got the longer they'll take to stack okay hit the stat button and I'll take a few minutes to run through that okay so the program has now finished stacking you can see in the status all the all the stages of green ticks and you've got a hunt percent status bar so then when it produces a stacked image you puts it into a following it creates and the folder is has a prefix of a s order stacker having a suffix of the number of frames that you stacked so this one's a thousand and the places folder wherever your images store so my image was here on the desktop my video sorry and so the folders here on my desktop and then it produces your stacked TIFF yeah it's got jagged edges because I use the expand feature rather than the cropped feature so if you use the crop think you oughta sack it would automatically crop out the jagged edge but I like to do the cropping myself and then you've got a settings file here so you can you can load that in and reproduce weeded on further images but that's now ready to go into whatever software you want to use for sharpening thanks for listening

Channel: Craig Towell

Views: 4,437

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Id: Qrcs_knmz6Y

Length: 8min 25sec (505 seconds)

Published: Sat Apr 25 2020