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Right Ascensions and North Polar Distances of the Centre of Neptune : compared with the Nautical Almanac.

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Right Ascensions and North Polar Distances of Coggia's Comet S.P.:

compared with the Nautical Almanac.

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23, oh.

25, oh. Very faint; thin cloud.
27, oh..

April 13, oh. No clock-error observed.

15, 23. Very tremulous; cloudy. 2 L. only observed in R.A.

16, 23h. Very cloudy; 2 L. only observed in R.A.

28, 23b. Very badly defined.

May 1, 23h. Very unsteady.

6, 23h. Badly defined and very tremulous. 18, 23. Very cloudy; 2 L. only observed in R.A.

20, 23h. Extremely faint.

29, 23h. 2 L. only observed in R.A.

June 2, 23h. Very faint; 1 L. only observed in R.A., the N.L. only in N.P.D.

June 3, 23h. Very unsteady.

4, 23h. Ill-defined; 2 L. observed over 2 wires only.

II, 23h.

19, oh

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Extremely tremulous.

22, oh. 2 L. only observed in R.A.

July 8, oh. Ill-defined and very tremulous.

18, oh. Boiling.

Aug. 11, oh. Very cloudy; 2 L. only observed

in R.A.

12, ob. I L. only observed.

21, oh. Very cloudy; 2 L. only observed

in R.A.

26, oh. I L. only observed in R.A.

29, oh. Very cloudy; 2 L. observed over 3 wires only.

Sept. 3, 23h. No clock-error since Sept. 2; the 2 L. only observed in R.A.

25, 23h. The 2 L. only observed in R.A. 29, 23h. Scarcely visible.

Oct. 8, 23h. Very cloudy.

Nov. 1, 23h. Cloudy; very faint.

11, 23h. Boiling.

Dec. 1, 23. Very cloudy.

2, 23h. Ill-defined.

6, 23h. Cloudy; 2 L. only observed in R.A. 16, 23h. I L. only observed.

17, 23h. Ill-defined; very tremulous. 18, 23h. Extremely tremulous.

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July 10. The nucleus seen as a star of about the 5th magnitude.

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Assumed value of one division of the scale, 29" 424, throughout the year.
Assumed zero of position-circle, 13° 28′, throughout the year.

1, &c. Mags. 2.5 and 7°3; pale yellow and light blue. By coincidence of images.

7, &c. Mags. 2.5 and 3'5; pale yellow.

13, &c. The planet was very unsteady; the two images frequently overlapping each other.

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