courses:ast100:ip
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| courses:ast100:ip [2025/12/08 10:21] – shahal | courses:ast100:ip [2025/12/10 09:49] (current) – asad | ||
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| ====== Image processing for astrophotography ====== | ====== Image processing for astrophotography ====== | ||
| - | ===== - Stacking | + | The data and the Siril script can be found in this google drive folder: https://drive.google.com/drive/folders/1vW2kqUQbHBEYf9KfGACMadruxLblsAUO |
| - | - Install DSS by downloading the installer appropriate for your OS from this page: https://github.com/deepskystacker/DSS/releases/ | + | |
| - | - Download some raw data from here: | + | |
| - | - Open DSS app ( not that not the Live app). | + | |
| - | - Click on <color # | + | |
| - | - Click on dark, flat, and offset/bias consecutively to add the dark, flat, and bias frames. These are your calibration files. | + | |
| - | - Make sure that all the images in all the tabs are selected in the bottom box. If not, click the Check all button in the second box on the left sidebar. | + | |
| - | - Click on <color # | + | |
| - | Uncheck Stack after registering | + | |
| - | + | ||
| - | {{: | + | |
| - | + | ||
| - | - Click on the advanced tab, click on the check the number of detected stars button. See if the number is more than 60 or not. If not, lower the detection threshold, and click on detect again. 60-300 stars is a good number. | + | |
| - | + | ||
| - | {{: | + | |
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| ===== Processing and Stacking Monochrome Astronomical Images in Siril ===== | ===== Processing and Stacking Monochrome Astronomical Images in Siril ===== | ||
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| * Run SPCC. | * Run SPCC. | ||
| - | === 9.2 LPCC (Local Photometric Calibration) === | ||
| - | * Go to **Color → Linear Photometric Color Calibration**. | ||
| - | * Load local Gaia index file. | ||
| - | * Run LPCC. | ||
| - | |||
| - | ---- | ||
| ==== 10. Stretching the Image ==== | ==== 10. Stretching the Image ==== | ||
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| ==== 13. Re-Adding Stars ==== | ==== 13. Re-Adding Stars ==== | ||
| - | * Go to **Image Processing → Pixel Math**. | + | * Go to **Image Processing → Star Processing → star recomposition**. |
| * Combine: | * Combine: | ||
| ``starless + stars`` | ``starless + stars`` | ||
courses/ast100/ip.1765214508.txt.gz · Last modified: by shahal