Re: comet Garradd core internal structure
Very interesting. Looks like a fun technique to explore further in processing comet images.
--- In firstname.lastname@example.org, "Stan" <stan_ccd@...> wrote:
> My prior post using the "Larson-Sekanina rotational difference image" didn't really show anything. That used only 2 subtraction images with a +/- 2 deg rotation. But I was sure I saw a counter-tail brightenening so I took the concept further to create a mean of 36 images, each rotated 10deg (10, 20, 30, ..) then subtracted that from the base image to reveal a broad anti-tail plume: