Betting On The Most Distant Gamma Ray Burst Ever Seen: Extreme Distance Determined With Gemini Observatory Images

Gemini Observatory images of GRB 090429B obtained using the Gemini Near-Infrared Imager (NIRI) using J, H, and K filters (labeled) and z filter (left, non detection) obtained with the Gemini Multi-Object Spectrograph, all images are from the Gemini North telescope on Mauna Kea, Hawai‘i.