eise.app - photos of Planets, Moon & Sun – browser-based planetary image stacker for astrophotography

Summary: eise.app is a browser-based tool that converts blurry videos of planets, the Moon, or the Sun into sharp images using lucky imaging and frame stacking. It supports multiple video formats and performs GPU-accelerated processing for fast results, making planetary astrophotography accessible on any OS.

What it does

It loads videos, ranks frames using Laplacian variance to reject low-quality ones, and stacks the best frames with local alignment, dewarping, drizzle, and VNG demosaicing. All processing runs on the GPU via webGPU for speed.

Who it's for

Beginners in astrophotography seeking a web-based solution to process planetary, lunar, or solar videos without complex software installations.

Why it matters

It solves compatibility and usability issues of existing stacking software by providing a fast, cross-platform, and user-friendly web application for planetary image stacking.