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Call for Proposals for the NASA Infrared Telescope Facility (IRTF)

23 March 2026

Deadline: April 1st, 5:00 pm Hawaii Standard Time

https://irtfweb.ifa.hawaii.edu/observing/callforproposals

IRTF supports facility and visitor instruments that offer a unique range of imaging capabilities with broad and narrow band filters and spectroscopic observing capabilities covering wavelengths from 0.4µm to 25µm with low resolution of 50 to high resolution of 85,000. Non-sidereal tracking of solar system objects, including near-Earth objects, and non-standard tracking and scanning modes are particular strengths. A co-axial wide field optical imager provides contemporaneous photometric monitoring and ToO target identification.

Excellent pre-observing training and supports are available for new observers and those unfamiliar with the instruments.

ToO interrupt and time critical programs are supported. Observing is usually conducted fully remotely. In-person observing to build experience or conduct particularly challenging programs is available, accommodation is included and transportation between the observatory and accommodation may also be provided.

For more information about proposing to time on IRTF, full details on the instruments, exposure time calculators and all other information needed for proposal preparation, visit https://irtfweb.ifa.hawaii.edu/observing/callforproposals/

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Angled from the upper left corner to the lower right corner is a cone-shaped orange-red cloud known as Herbig-Haro 49/50. This feature takes up about three-fourths of the length of this angle. The upper left end of this feature has a translucent, rounded end. The conical feature widens slightly from the rounded end at the upper right down to the lower right. Along the cone there are additional rounded edges, like edges of a wave, and intricate foamy-like details, as well as a clearer view of the black background of space. In the upper left, overlapping with the rounded end of Herbig-Haro 49/50, is a background spiral galaxy with a concentrated blue center that fades outward to blend with red spiral arms. The background of space is speckled with some white stars and smaller, more numerous, fainter white galaxies throughout.