ACME announced: The deadline for the current TNA calls for KM3NeT and Pierre Auger Observatory has been extended until July the 20th, at 12:00 UTC. https://www.acme-astro.eu/tna-km3net-22-may-2026/ https://www.acme-astro.eu/tna-auger-22-may-2026/ This extension provides additional time for researchers to prepare and submit their proposals, and we hope it will encourage even broader participation.
European VLBI Network Call for Proposals Deadline: 1 June 2026 16:00 UTC Observing proposals are invited for the European VLBI Network (EVN). The EVN is a Very Long Baseline Interferometry (VLBI) network that provides sub-milliarcsecond angular resolution and is operated by an international consortium of institutes. Proposals may include joint e-MERLIN and/or global VLBI observations [...]
e-MERLIN/VLBI National Radio Astronomy Facility www.e-merlin.ac.uk [e-merlin.ac.uk] Invitation for Proposals: Cycle-22 Deadline for Receipt of Proposals: 13:59:59 UT on 21st May 2026 Full Details: https://www.e-merlin.ac.uk/observe.html [e-merlin.ac.uk] e-MERLIN requests proposals from the international astronomical community for observations to be made during Cycle-22. Proposals are competitively peer-reviewed under standard STFC rules by the e-MERLIN Time Allocation Committee. Awards [...]
The ALMA Cycle 13 Call for Proposals (CfP) for scientific observations to be scheduled from October 2026 to September 2027 is open. Modes and capabilities offered in Cycle 13 will include Large Programs and Band 2 on the 12-m Array. Starting with this Call for Proposals, a new web-based interface to the Observing Tool (OT) [...]
The Istituto Nazionale di Astrofisica (INAF) invites scientists to participate in the call for proposals of observing time at the three national radio telescopes: - the 32-m Medicina antenna (Grueff Radio Telescope) - the 32-m Noto antenna - the 64-m Sardinia Radio Telescope Two observing semesters are scheduled every year: 1st January to 30th June, [...]
The call for NOEMA and 30-meter proposals for the summer semester 2026 (01 June 2026 to 30 November 2026) is available online. The proposal deadline is 12 March 2026. This call for proposals document describes the proposal submission procedure. A detailed description of the “observing capabilities of the 30m telescope” and the “current status of [...]
Call for proposals: In this call, proposals for APEX observing requests for the period from 20 March to 24 July 2026 are solicited. Proposals should be submitted as a single PDF file using the latex templates provided here. All proposals should be sent to apex@mpifr-bonn.mpg.de. Deadline: 19 February 2026 (18:00 CET). More information: Call for Proposals. Image: ESO
Call for proposals: The 100-m radio telescope of the Max-Planck-Institut für Radioastronomie and the data reduction facilities are available to all qualified scientists. The directors of the institute make observing time available to applicants based on the recommendations of the Program Committee for Effelsberg (PKE), which judges the scientific merit (and technical feasibility) of the observing [...]
Call for proposals: Proposals are invited for observations with the Onsala 20 m diameter telescope in the observing period March-December 2026. Before submitting the proposal, the authors must contact the telescope scientist Henrik Olofsson to arrange with a local collaborator to support the observations. Proposals are to be submitted through the NorthStar system. Deadline: 16 February [...]
VLBI proposals for observing at 3mm wavelength (86 GHz) using: the VLBA, APEX, GBT*, EFFELSBERG, IRAM-30m, NOEMA, ONSALA, METSAEHOVI, YEBES and KVN telescopes should be submitted using the NRA Porposa Submission Tool (PST) by 04 FEBRUARY 2026 (UT 22:00)Successful proposals will be considered for scheduling in GMVA Session II 2026 (24-29 September) or in a [...]