Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ===== Night Sky Images - 16/09/2021 ===== Gear: * Canon EOS 200D * Tokina AT-X Pro SD 11-16mm f/2.8 (IF) DX * Tripod Weather: * Light cloud cover Location: * Garden Software * [[https://www.rawtherapee.com/|Rawtherapee]] - RAW file importing, optical correction & image processing * GIMP - RAW/TIF to JPEG, cropping The Tokina lens suffers from quite bad chromatic aberration (red/blue/green ghost images) in long exposure night images as seen in this crop from one of the images below: {{:blog:photography:night:2021_09_16:chroma.png?400|}} Fortunately Rawtherapee takes care of all but the most severe defects when you import it. ==== Images ==== Unaltered JPEG images on the right, processed images from the RAW files on the left: {{:blog:photography:night:2021_09_16:img_3155-1.jpg?650|}} {{:blog:photography:night:2021_09_16:img_3155_raw.jpg?650|}} {{:blog:photography:night:2021_09_16:img_3160.jpg?650|}} {{:blog:photography:night:2021_09_16:img_3160_raw.jpg?650|}} {{:blog:photography:night:2021_09_16:img_3166.jpg?650|}} {{:blog:photography:night:2021_09_16:img_3166_raw.jpg?650|}} blog/photography/night/2021_09_16.txt Last modified: 2021/09/17 17:46by john