Flatsonar

Tenmon

by Dušan Poizl

FITS/XISF image viewer, converter, index and search

Dangerous permissions Verified creator GPL-3.0 v20260913
Install Source code
Screenshot 1 of Tenmon Screenshot 2 of Tenmon

About

It is intended primarily for viewing astro photos and images. It supports the following formats:

  • FITS 8, 16, 32 bit integer and 32, 64 bit float
  • XISF 8, 16, 32 bit integer and 32, 64 bit float
  • RAW CR2/CR3, DNG, NEF
  • JPEG, PNG, BMP, GIF, PBM, PGM, PPM and SVG images

Features of application:

  • Using same stretch function as PixInsight
  • OpenGL accelerated drawing
  • Index and search FITS XISF header data
  • Quick mark images and then copy/move marked files
  • Convert FITS <-> XISF
  • Convert FITS/XISF -> JPEG/PNG
  • Image statistics mean, media, min, max
  • Support for WCS
  • Thumbnails
  • Convert CFA images to colour - debayer
  • Color space aware
  • Histogram
  • Scripting
  • Plate solving

Permissions

1 permission weaken the sandbox. Flatsonar asks before installing.

  • full access to your entire file system
    --filesystem=host
  • inter-process communication (needed for X11)
    --share=ipc
  • network
    --share=network
  • X11 display, only when Wayland is unavailable
    --socket=fallback-x11
  • Wayland display
    --socket=wayland
  • GPU acceleration
    --device=dri
  • access to xdg-config/kdeglobals
    --filesystem=xdg-config/kdeglobals:ro
  • access to xdg-run/gvfs
    --filesystem=xdg-run/gvfs:ro
  • talks to com.canonical.AppMenu.Registrar
    --talk-name=com.canonical.AppMenu.Registrar
  • talks to org.kde.kconfig.notify
    --talk-name=org.kde.kconfig.notify
  • talks to org.kde.KGlobalSettings
    --talk-name=org.kde.KGlobalSettings
  • talks to org.freedesktop.FileManager1
    --talk-name=org.freedesktop.FileManager1

Who publishes this

The creator demonstrably controls this app id: Flathub verification, the hosting account owns the namespace, or a well-known file on their domain.

  • verified on Flathub: the developer proved they control this app id
    publisher:flathub

Maintenance

Recent activity on the upstream repository, or built and reviewed by Flathub.

No staleness signals: recent activity, or built and reviewed by Flathub.