|
High-Energy Astronomical Observatory
|
|
|
High-Energy Astronomical Observatory
|
Below is a checklist of High-Energy Astronomical Observatory (HEAO) series satellite postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.). Catalog numbers, years of issue, and notes on the satellites featured are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.
Farther below is a list of HEAO-series launch covers, anniversary-of-launch covers, and launch-related event covers.
For HEAO launch information see the HEAO-series table on the astronomical satellites page.
| Country | Catalog Number* | Type of Item** | Year of Issue | Notes on Content |
|---|---|---|---|---|
| HEAO | ||||
| Chad | 718 (Mi1637) | 1997 | HEAO-2 / Einstein | |
| Chad | 718a | SS1 (718) | ||
| Gambia | 804 (Mi824) | 1997 | HEAO-2 / Einstein | |
| Malagasy Republic | Unknown | In (upper-left) margin of MS4 | 1999 | HEAO-2 / Einstein (not HEOS-2)1 |
*Scott catalog number, unless prefixed with Mi or BL for Michel; "i" prefix denotes imperforate version.
**FDC = first day cover; SS# = souvenir sheet, MS# = miniature sheet, where # = number of stamps in sheet, and the numbers in parentheses are the catalog numbers of the stamps in the sheet.
1HEAO-2 / Einstein, not HEOS-2 (Highly Eccentric Orbit Satellite) as indicated on this item.
Below is a list of HEAO-series launch covers, anniversary-of-launch covers, and launch-related event covers.
| Country | Cancel Date | Cancel Location | Type of Item | Notes on Content |
|---|---|---|---|---|
| HEAO | ||||
| United States | 1977-08-12 | Cape Canaveral FL | (Orbit) cachet on cover | HEAO-1 launch |
| United States | 1977-08-12 | Greenbelt MD? | (GSFC) cachet on cover | HEAO-1 launch |
| United States | 1977-08-12 | Greenbelt MD | (GSFC rubber-stamp) cachet on cover | HEAO-1 launch |
| United States | 1977-08-12 | Kennedy Space Center FL | (Space Voyage) cachet on cover | HEAO-1 launch |
| United States | 1977-08-12 | Cape Canaveral FL | (Space Voyage) cachet on cover | HEAO-1 launch |
| United States | 1977-08-12 | Kennedy Space Center FL | (Rubber-stamp) cachet on cover | HEAO-1 launch |
| United States | 1978-11-13 | Cape Canaveral FL | (Orbit) cachet on cover | HEAO-2 launch (HEAO-1 image) |
| United States | 1978-11-13 | Kennedy Space Center FL | (ISAP/Zaso silk) cachet on cover | HEAO-2 launch |
| United States | 1978-11-13 | Cape Canaveral FL | (TRW) cachet on cover | HEAO-2 launch |
| United States | 1978-11-13 | Cape Canaveral FL | (Space Voyage) cachet on cover | HEAO-2 launch |
| United States | 1979-09-20 | MSFC, AL | (Blue-green rubber-stamp) cachet on cover | HEAO-3 launch (HEAO-1 image) |
| United States | 1979-09-20 | MSFC, AL | (Black rubber-stamp) cachet on cover | HEAO-3 launch (HEAO-1 image) |
| United States | 1979-09-20 | MSFC, AL | (Purple rubber-stamp) cachet on cover | HEAO-3 launch (HEAO-1 image) |
| United States | 1979-09-20 | MSFC, AL (hand cancel) | (Blue rubber-stamp) cachet on cover | HEAO-3 launch (HEAO-1 image) |
| United States | 1979-09-20 | MSFC, AL (machine cancel) | (Blue rubber-stamp) cachet on cover | HEAO-3 launch (HEAO-1 image) |
| United States | 1979-09-20 | Greenbelt MD | (GSFC) cachet on cover | HEAO-3 launch (HEAO-1 image) |
| United States | 1979-09-20 | Kennedy Space Center FL | (Space Voyage) cachet on cover | HEAO-3 launch (HEAO-1 image) |
Back to Astronomical satellites.
Back to Un-Manned Satellite Philately.
