| RGO Archives/RGO 18 contains: |
|---|
| <-- See earlier |
|---|
| 346 |
Astronomical observations, 1897 |
| 347 |
Miscellaneous observations, 1898 |
| 348 |
Introduction to Greenwich Observations, 1898 |
| 349 |
Astronomical observations, 1898 |
| 350 |
Magnetical and meteorological observations, 1898 |
| 351 |
Measures of sunspots and faculae |
| 352 |
Star catalogue |
| 353 |
Refraction tables |
| 354 |
Refraction tables |
| 355 |
Miscellaneous observations, 1899 |
| 356 |
Introduction to Greenwich Observations, 1899 |
| See later --> |
|---|
|
Greenwich Observations
| Title |
Measures of sunspots and faculae |
| Reference |
RGO 18/351 |
| Covering Dates |
circa 1899 |
| Extent and Medium |
1 bundle |
|
| Content and context |
'Measures of positions and areas of sun spots and faculae on photographs taken with the photoheliographs at Greenwich, in India, and in Mauritius, with the deduced heliographic longitudes and latitudes.' There are no publication details. |
| No further on-line information. |
|
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