Jan 13, 2022 · Related Links: ds9 Reference Manual ds9 Users Manual: CIAO-style threads on using ds9 Video demos and tutorials Using CIAO Region Files thread Last Update: 13 Jan 2022 - …

Feb 15, 2022 · SAOImage ds9, the imaging application distributed with CIAO, has the capability for users to create an RGB image and interactively adjust many of its parameters to achieve optimal …

While DS9 continues to be an independent project serving all fields of astronomy (and beyond), the collaboration with the SDS group has led to several exciting updates specifically of interest to the …

Jan 23, 2026 · Problems with Xquartz 2.8.5 Some users have reported problems related to disappearing menus using ds9 with Xquartz version 2.8.5 which was released on January 26, 2023. This appears …

As one option, in ds9, you can select Analysis/Archives/SkyView, specify the image size in both degrees and pixels. Retrieve/save a FITS image in your desired bandpass, then deselect Image-Auto-Reload …

Oct 28, 2025 · The ds9 catalog tool allows users to annotate their images with markers for sources from many different catalogs (including the Chandra Source Catalog and users own source list, eg output …

Oct 28, 2025 · DAX: ds9 analysis extensions or The CIAO Tools Analysis Menu in DS9 dax *, the Ds9 Analysis eXtensions, is a collection of CIAO tasks that have been integrated with SAOImage DS9 …

DS9 regions CIAO understands most of the simple, atomic regions that DS9 can draw including circle, ellipse, point, box, polygons, and annulus. The regions that are purely for annotations such as text, …

Jan 23, 2026 · How do I rotate a region in ds9? With the region selected, hold down the <SHIFT> key and "grab" one of the anchor points (squares). Drag the mouse with the left button down and the …

Jan 13, 2022 · How to display the file SAOImage ds9, the default imager distributed with CIAO, has the capability to display data cubes.