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RGO Archives/RGO 7 contains:
<-- See earlier
277 Melotte's data
278 Melotte's catalogue of dark areas
279 Astrographic Branch papers
280 Equatorial observations of comets
281 Mean times for comets
282 Observations and technical data
283 Register of official letters
284 Register of Grubb Refractor photographs
285 Technical forms
286 Equatorial observations
287 Equatorial observations
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Papers of William Christie

Title Observations and technical data
Reference RGO 7/282
Covering Dates 1880–1905
Extent and Medium 1 volume
Content and context

Various tables of data, including, among other subjects:

Difference of N.P.D of N.and S. cusps for the solar eclipse of 31 December 1880.

Difference of R.A. of cusps for the solar eclipse of 16 May 1882.

Micrometer measures, distances and position angles of Saturn's satellites, 1882-1884.

Position angles of Saturn's satellites for 8 September 1882.

Observations of Barnard's Comet, September 1882.

Micrometer measures and position-angles of Titania, one of the satellites of Uranus, 16 April 1883.

Observation of Brooks's Comet, 5-17 September 1883.

Transit of Comet Pons-Brooks, 26 September 1883.

Mistaken Polyhymnia observations, 26 September 1883.

Correct observations of Polyhymnia, 6 October 1883.

Transit tables of Beta Aurigae on the S.E. Equatorial, 12 November 1889

Day-to-day notes of adjustments and changes to the newly installed 6" dome and equatorials.

Figures for negative and positive eye-pieces.

Day-to-day readings of resulting observations.

Measures of Mars' satellites, 5 November 1894.

Transit ingress JI, 12 December 1894.

Transit ingress JII, 9 January 1895.

R.V. readings for coincidence, 1895.

Transit ingress JIII, 21 January 1895.

Measures, position-angles and distances of Neptune and its satellites, 1895-1897.

Positive eye-pieces, undated (loose).

Diameter and measures of Neptune and Neptune and Saturn's satellites, 1895-1896 (loose).

Diameter of Jupiter, 1896 (loose)

Two diagrams of black squares with centre circles (loose).

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