| 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 | AO25 https://cxc.cfa.harvard.edu/proposer/ | 15 March 2023 |
| Swift | https://swift.gsfc.nasa.gov/proposals/ | |
| NuSTAR | https://heasarc.gsfc.nasa.gov/docs/nustar/nustar_prop.html | |
| Fermi | AO16 https://fermi.gsfc.nasa.gov/ssc/proposals/ | 16 February 2023 |
| Insight-HXMT | AO5 http://proposal.ihep.ac.cn/proposal/index.jspx | 15 May 2022 |
| Astrosat | AO12 http://astrosat-ssc.iucaa.in/A12 | 10 March 2022 |
| NICER | https://heasarc.gsfc.nasa.gov/docs/nicer/proposals/index.html |
