CGRO

Compton Gamma Ray Observatory
(CGRO) satellite

CGRO patch
satellitepatch

This page contains philatelic information on the Compton Gamma Ray Observatory (CGRO) satellite. 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.

CGRO was named in honor of Nobel Prize winning physicist Dr. Arthur Holly Compton (1892 - 1962).

CGRO is one of four NASA "Great Observatories", along with the Hubble Space Telescope (HST), the Chandra X-ray Observatory (CXO), and the Spitzer Space Telescope (SST).

Launch information
(found elsewhere)
Launch covers
(including anniversary-of-launch covers, and launch-related event covers)

(farther below)
Other postal items
(stamps, souvenir sheets, aerogrammes, postal cards, etc.)

(immediately below)
Compton / CGRO Compton / CGRO Compton / CGRO


Below is a list of Compton / CGRO satellite postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Compton / CGRO
GermanyB859 (Mi2081)Hologram on stamp1999
Guinea RepublicMi5873A
Mi5873B
From MS6 (Mi5873A-5878A)
From imperforate MS6 (Mi5873B-5878B)
2008"International Gamma-Ray Astrophysics Laboratory" (CGRO)
Guinea RepublicMi5878A
Mi5878B
Guinea RepublicMi5873A-5878A_ms6 fdcMS6 on FDC
Mali688a (BL68A)
i688a (BL68B)
In (left) margin of SS1 (688)
In (left) margin of imperforate SS1 (i688)
1995"Compton - GRO"


Below is a list of Compton / CGRO satellite launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
1991-04-05: Compton / CGRO (from STS-37)
United States1991-04-05Kennedy Space Center FL(Official) cachet on coverCGRO (STS-37/Atlantis) deployed


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Updated: 2017-05-01