Letter, from John Flamsteed to Henry Oldenburg, dated at Derby States that he has added the distance of the star cluster Pleiades to his predictions (EL/F1/78a for new predictions; initial predictions inserted after EL/F1/78b); has not been able to make astronomical observations because of the weather; wonders if there are any satellites around Jupiter Note reads: 'Not to be en'd [in the Letter Book]' Additional predictions printed in 'Philosophical Transactions', vol 6, no 79, p 3061 23 December 1671