IRSA - Infrared Science Archive

04/09/2026

It's Tutorial THURSday! Today's video is an overview of how to save data from IRSA tools. (It was inspired by feedback from the 2023 IRSA User Survey.) As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning).

IRSA Tutorial 1010: How do I download data at IRSA? -- a quick video with an overview of how to download data at IRSA. This video was inspired by 2023 IRSA U...

04/07/2026

It's Tutorial Tuesday! Today's video is a longer Case Study that demonstrates how to take cluster members and make color-magnitude diagrams (CMDs) from Gaia, 2MASS, and WISE using IRSA tools. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning). https://youtu.be/xly7Xi7YhLE The description of the activity shown in the video is here: https://vmcoolwiki.ipac.caltech.edu/index.php/Playing_Around_with_Clusters

This longer Case Study demonstrates how to take cluster members and make color-magnitude diagrams (CMDs) from Gaia, 2MASS, and WISE using IRSA tools. The des...

04/02/2026

It's Tutorial THURSday! Today's video is a longer Case Study that demonstrates how to take an image you find online and explore that region in infrared using IRSA data. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning).

This longer Case Study demonstrates how to take an image you find online and explore that region in infrared. (This movie includes use of http://astrometry.n...

03/31/2026

It's Tutorial Tuesday! Today's video is a case study of using Finder Chart to explore multi-wavelength observations of Messier objects. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning).

This Case Study uses several IRSA tools to investigate what the Messier objects look like in infrared. Infrared sees dust, so this is a "dustier, messier" Me...

03/26/2026

It's Tutorial THURSday! Today's video is an overview of how to use images in IRSA tools with this look-and-feel. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning).

This is an overview of how to interact with images in IRSA tools with this same look-and-feel. (If you have questions, the IRSA Helpdesk is here: https://irs...

03/24/2026

03/24/2026

It's Tutorial Tuesday! Today's video is an overview of how to use images in IRSA tools with this look-and-feel. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning).

This is an overview of how to interact with spectra in IRSA Firefly tools with this same look-and-feel. (If you have questions, the IRSA Helpdesk is here: ht...

03/19/2026

Charting The Infrared Universe Symposium ✨🔭 🛰️

Celebrate George Helou’s 30+ year legacy at IPAC on March 30!

Join us for a half-day, hybrid symposium on the future of space-based astronomy. Attendance is free, but registration is required by March 16.

Everyone is invited to help make the celebration more meaningful by sharing a memory, a note of appreciation, or a few words about George's impact on you. Messages will be shared during the meeting.✍️

Register and submit a video or text message on the event website:
events.ipac.caltech.edu/chartingtheinfrareduniverse

03/19/2026

It's Tutorial THURSday! Today's video is an overview of how to make and interact with plots in IRSA tools with this look-and-feel. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning).

This is an overview of how to interact with plots in IRSA Firefly tools with this same look-and-feel. (If you have questions, the IRSA Helpdesk is here: http...

03/17/2026

It's Tutorial Tuesday! Today's video is an overview of how to use tables in IRSA tools with this look-and-feel. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning).

This is an overview of how to interact with Firefly tables in IRSA tools with this same look-and-feel. (If you have questions, the IRSA Helpdesk is here: htt...

03/14/2026

It's Messier Marathon season! Use IRSA services to explore multi-wavelength images of all the Messier objects and make your own three-color images. This video shows you how to use Finder Chart to do exactly that -- explore multi-wavelength observations of Messier objects. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning). It's Tutorial Tuesday! Today's video is a case study of using Finder Chart to explore multi-wavelength observations of Messier objects. As always, the video is in HD and has English subtitles (click on the 'cc' button in the lower right of your YouTube window to turn on the closed captioning). https://youtu.be/F-GSfiuyigs