Letter, from John Flamsteed to Henry Oldenburg, dated at Derby Signed autograph Sends astronomical predictions for the following year entitled 'Lunae ad fixas appulsus visibiles...' (inserted after EL/F1/78b); also sends the diurnal transit of the moon at 'Cor Leonis' for Robert Hooke; states that he has measured the distances of the star cluster Pleiades, that Richard Towneley has done the same in Lancashire, and that he will send calculations of the remaining transits Predictions printed in 'Philosophical Transactions', vol 6, no 77, p 2297 Read to the Royal Society on 23 November 1671 15 November 1671