At 1:31 am on Saturday, May 11th, 2019
I couldn't sleep so I started Shiny Hunting Gastly and I get a Random Shiny Chansey instead. I thought I would fail it so I used a Golden Razz and triggered Support Trainer (2 player) with a Great Ball (First Left) and a Pokeball (Second right) and I throw them straight and it was an Excellent Critical Capture.

It's a Female.