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Flamsteed's observations of the Jovian Satelites 1689-1719

Page under construction

 

Dif + = Oct clock ahead of arc house; - = Oct behind arc house
n = note in observing book

Date Obs Bk. Apog 1725 1725 1712 1712 A Dif
+ apog
1 04 Oct 1689 08 11 00 08 07 46 n/p n/p 08 11 00 08 07 40* ✓ +02 13
2 17 Oct  09 08 40 09 22 45 09 08 40 09 22 45 09 08 40 09 22 45 x n/a
3 03 Nov 07 11 20 07 23 45 07 11 20 07 23 45 07 11 20 07 23 45 x n/a
4 04 Jan 1690 05 49 14 05 50 42* 05 49 14 05 50 42 05 49 14 05 50 42 ✓ - 02 48
5 10 Jun  14 54 08 14 54 08 14 58 10 14 54 08 14 58 10 14 54 08 ✓ trimmed
6 20 Aug  11 23 09 11 23 10
(11 21 26)		 11 23 10 11 21 26 11 23 10 11 21 26 ✓ - 13 29
7 07 Oct 08 43 10 08 40 54 08 43 10 08 40 54 08 43 10 08 40 54 ✓ - 09 20
8 30 Oct 07 30 46 07 26 53 07 30 46 07 26 53 07 30 46 07 26 53 ✓ - 08 16
9 22 Nov 08 41 24 08 32 49 08 41 24 08 32 39 08 41 24 08 32 49 ✓ - 05 04n
10 29 Nov 11 03 28 10 56 48 11 03 28 10 46 48 11 03 28 10 56 48 ✓ +00 10
11 02 Jan 1691 06 49 24 06 46 28 06 49 24 06 46 28 06 49 24 06 46 28 ✓ +00 20