blog:photography:night:2021_09_16

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blog:photography:night:2021_09_16 [2021/09/17 14:19] johnblog:photography:night:2021_09_16 [2021/09/17 17:46] (current) – [Images] john
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 ===== Night Sky Images - 16/09/2021 ===== ===== Night Sky Images - 16/09/2021 =====
  
-{{:blog:photography:night:2021_09_16:img_3155-1.jpg?400|}}{{:blog:photography:night:2021_09_16:img_3160.jpg?400|}}{{:blog:photography:night:2021_09_16:img_3166.jpg?400|}}+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_16.1631884755.txt.gz
  • Last modified: 2021/09/17 14:19
  • by john