| Mission Name | AO Call | Deadline |
| INTEGRAL | AO21 https://www.cosmos.esa.int/web/integral/newsletter/ | 29 September 2023 |
| XMM Newton | AO23 https://www.cosmos.esa.int/web/xmm-newton/ao23-timeline | 06 October 2023 |
| Chandra | AO26 https://cxc.cfa.harvard.edu/proposer/ | 14 March 2024 |
| Swift | AO 20 https://swift.gsfc.nasa.gov/proposals/ | |
| NuSTAR | AO 10 https://heasarc.gsfc.nasa.gov/docs/nustar/nustar_prop.html | 25 January 2024 |
| Fermi | AO17 https://fermi.gsfc.nasa.gov/ssc/proposals/ | 15 February 2024 |
| Insight-HXMT | AO6 http://hxmten.ihep.ac.cn/notice/813.jhtml | 01 September 2023 |
| Astrosat | AO13 http://astrosat-ssc.iucaa.in/A013 | 13 February 2023 |
| NICER | AO 6 https://heasarc.gsfc.nasa.gov/docs/nicer/proposals/index.html | 20 November 2023 |
