| RGO Archives/RGO 45 contains: |
|---|
| <-- See earlier |
|---|
| 50 |
Letter from Michael McLants |
| 51 |
Correspondence with Brian Marsden |
| 52 |
Letter to D.C. Martin |
| 53 |
Letter from Gerald Merton |
| 54 |
Letter from Barbara Middlehurst |
| 55 |
Correspondence with S.W. Milbourn |
| 56 |
Letter from Francis Narin |
| 57 |
Card from Liisi Oterma |
| 58 |
Letters from J.E. Peacock |
| 59 |
Correspondence with C.F. Peters |
| 60 |
Letter from W.D. Proctor |
| See later --> |
|---|
|
Papers of John Guy Porter
| Title |
Correspondence with S.W. Milbourn |
| Reference |
RGO 45/55 |
| Covering Dates |
28 Nov. 1966–21 Sep. 1977 |
| Extent and Medium |
10 pages |
|
| Content and context |
Correspondence with S.W. Milbourn regarding a variety of topics, including the calculation of an ephemeris for Comet Perrine-Mrkos; Olbers's method for the solution of the general orbits of comets; a series of astrophotographs from the Perth Observatory featuring Comet Bennett; the timing of an eclipse of Iapetus; and a comparison of the difference in old manual and new electronic methods of calculation. |
| No further on-line information. |
|
![[Home]](/images/logo.gif){kind=logo}
