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There is probably many visualization feature that can be added. In your screenshot I find very interesting to compare a star position from the image and from the catalog. But I not want to transform Skychart in an image processing software. For me the plate solving is part of the image processing because it is much more precise if done with the linear image, before stretching. But if high precision is not require, like to show the image on the map, a stretched or jpeg image is OK. So I prefer to split your request in two parts, one to improve the display capability in Skychart and one to extend the plate solving function of CCDciel. My CCD capture software CCDciel already do plate solving using a local Astrometry.net or other software. Then it can send the image to Skychart for display. The original idea is to help to center an object before capture, but this can be extended to other images. What I can add to this software is the capability to open non-fits image, like jpg and png. Then if the telescope coordinates are not available I can open a prompt to enter the coordinates or search for an object name (there is already as a function to call skychart to get the coordinates). What do you think of this approach? |
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(1) - There is probably many visualization feature that can be added. In your screenshot I find very interesting to compare a star position from the image and from the catalog. R: Yes, especially when we use the feature to access external data. In search by name or position there are three options: Sinbad NED HyperLeda In a future suggestion I will encourage the addition of other resources such as: https://mast.stsci.edu/portal/Mashup/Clients/Mast/Portal.html ESO Nasa Images and others. A feature of manually setting up other external links would be fine. ----- (2) - But I not want to transform Skychart in an image processing software. For me the plate solving is part of the image processing because it is much more precise if done with the linear image, before stretching. But if high precision is not require, like to show the image on the map, a stretched or jpeg image is OK. R: Yes. I think we have to work only with FITS. It is the best standard and not even the tiff I see as reasonable. For processing I use SÃO Image DS9 and other software. The Sky Chart should remain as a planisphere but advanced features like astrometry would be of great relevance. -------- (3) - Então eu prefiro dividir seu pedido em duas partes, uma para melhorar a capacidade de exibição em Skychart e uma para ampliar a função de resolução de placas de CCDciel. R: ok. ---- (4) - The original idea is to help to center an object before capture, but this can be extended to other images. What I can add to this software is the capability to open non-fits image, like jpg and png. Then if the telescope coordinates are not available I can open a prompt to enter the coordinates or search for an object name (there is already as a function to call skychart to get the coordinates). What do you think of this approach? R: Always at your discretion. But I still believe that the Astrometry function in the Sky Chart itself would add a great deal of use to the program without relying on external resources. I also suggest that the emphasis be on the FITS format. I still do not use telescope, only DSLR then the CCDciel is not used. I'll try. Thanks. |
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Hello Patrick Chevalley Greetings. I tested the CCDciel. The Elbrus Stalr Locator has been discontinued and they recommend using PlateSolve2.28. The Program works well in the APM catalogs and in USNO3 when used alone. CCDciel is experiencing an error opening PlateSolve2.28 as you can see. I do not know if some parameter is missing to not present the error but I tried several and I could not. If the Sky Chart after corrected error save the image in Cube and Mono format will suffice. I used an image fits that I find to be the best standard. JPG and PNG would be good but fits is more important. thankful |
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