djwalters

Hi @James Ritson, Thanks for the tips! I haven't had much luck yet with the weather, but when it decides to cooperate I'll try the 2nd approach first and let you know how it goes. In the meantime, I'm building up my calibration frames. My camera (ASI6200MM) images are ~120MB each, so Bias/Dark frames can take up a lot of storage as individual images, especially if I'm looking at several Bin and exposure settings @ 30 images each. Does Affinity support creating "Master" calibration frames to lower storage requirements? I'm wondering if the normal "Stack" workflow would work for this (using mean/average)?

Hello everyone (cc: @James Ritson): I want to attempt to stitch a mosaic image using a number of smaller images, likely in a 2x2 or perhaps 3x3 grid. Assuming this is possible in Affinity Photo, does anyone have a recommendation for a general flow to maximize quality and minimize issues? I can think of several approaches, but to utilize the benefits of the Astro workflow my thought was to do something like the following. I haven't tried this yet, so I'm not sure what to expect (for example, will the stitching process work well for astrophotography). Example Workflow Stack each set of captures in the Astrophotography workflow. While in Astro workflow, apply filters/adjustments to each image. Select the best sequence of these to copy to remaining captures to ensure the tone/brightness/etc are the same across all image stacks. Export each stack to TIFF. Re-import into stitching workflow. Apply any remaining required edits/adjustments as needed. Has anyone successfully done something similar with Affinity Photo, or will I end up with a red forehead?

Has anyone from the Affinity team looked into the extra embedded image in CR2 files when Dual Pixel Raw is enabled on select Canon Cameras? In DPP, one can already use this to fine-tune focus. However, recently some folks (FastRAWViewer) have tried to split the normal 'A' image (summed data from the dual photo-diodes) and 'B' image (single photo-diode), which can be used in photo stacking or HDR merging. The result seems to provide ~1EV of dynamic range improvement from a single "exposure", with the caveat that the image isn't 100% the same focus at extreme depths due to the parallax effect from the split photo diode locations.