Would support improvements, both in number and quality, of lunar observations at the Royal Observatory; current practices produce unacceptably large predictive errors.
Showing 61–80 of 168 items
Would support improvements, both in number and quality, of lunar observations at the Royal Observatory; current practices produce unacceptably large predictive errors.
Will try to attend meeting called by GA, although JH is plagued by rheumatism; comments on the periods of Saturn's satellites.
Has not heard from Thomas Maclear [see GA's 1844-3-12]; has the Cape equatorial object glass been dealt with?
Comments on the large number of stars identified in one square degree of sky.
Whether a repulsive force from the sun affects the tails of comets and thus the constancy of their orbits.
Arrangements about attending a meeting, together with some thoughts on the behavior of comets.
Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.
Will try to organize an international magnetic conference at the B.A.A.S. meeting in 1845, if GA agrees.
About a suggested magnetism conference, Francis Baily's illness, and some remarkable observations by F. W. Bessel.
Urges GA to print any of John Pond's and Nevil Maskelyne's observations that seem free from serious error [see GA's 1844-8-28].
Has been put (with GA and W. S. Stratford) on a B.A.A.S. committee to publish the J. J. L. Lalande and the N. L. Lacaille star catalogues [see GA's 1842-11-7]; sends draft request for a grant.
Nine conditions under which JH will accept and test instruments constructed for Cape [of Good Hope] observatory, including the assistance of Mr. Davies in evaluating these.
Seeks GA's help to provide information to complete the obituary notice for Francis Baily [see GA's 1844-9-23].
Changing a date of meeting for the magnetic committee of the B.A.A.S., and inviting GA to be there.
Thanks GA for offer of accommodation [see GA's 1844-11-2], but JH says he must stay with Miss [Elizabeth] Baily at Tavistock Place.
Inquires about the possibility of holding a Standards Commission meeting on the Royal Observatory's Visitation Day.
Making arrangements to stay with GA when JH comes for a meeting.
A copy of the question circular, signed by JH, sent to GA [see GA's 1844-12-17].
A note of acknowledgment for receipt of books, which JH has forwarded.
Has been informed that William Parson's telescope resolves all the nebulae in JH's catalogue into stars.