A week ago (the 13th May 2025) we again had some very clear weather (the story of this spring here in the east of England) and I was able to get a few more estimates for some long-period variable stars even though the moon was one day after full and astronomical twilight didn't end until nearly midnight (23.45 BST). Here are my observations (using 10x50 binoculars):-
Z UMa, 21:52 UT, chart 217.02, A(1)V(4)B, mag. 6.5
RY UMa 22.09 UT, chart 217.02, 1(5)V(2)2, mag. 7.2
TX Dra, 22.25 UT, chart 106.04, K(5)V(2)N, mag. 7.5
AH Dra, 22.29 UT, chart 106.04, 1(1)V(2)2, mag 7.1
The star Z UMa remains very bright and close to its maximum. There is no sign yet (as of May 20th) that its brightness is declining.
All text and images © Duncan Hale-Sutton 2025
No comments:
Post a Comment