Come join the friendliest, most engaging and inclusive astronomy forum geared for beginners and advanced telescope users, astrophotography devotees, plus check out our "Astro" goods vendors.
Come join the friendliest, most engaging and inclusive astronomy forum geared for beginners and advanced telescope users, astrophotography devotees, plus check out our "Astro" goods vendors.
I tried Eps Dra (Tyl) the evening of May 28 with my 6 inch f/8 apo. Split at 135x, easy at 152x. Tyl is easier than Epsilon Boo (Izar). Izar took 152x to separate, and 173x to do it clearly. Izar seems much more seeing dependent than Tyl. Seeing was 5 to 6 of 10, with moments of clarity.
Please let us know your results on these doubles.
From the WDS catalog:
Tyl (Eps Dra)
STF2603
P.A. Now (θ)
21.6°
Sep. Now (ρ)
3.2"
Mag pri
4.01
Mag sec
6.87
delta mag (ΔM)
2.86
Izar (Eps Boo)
P.A. Now (θ)
347°
Sep. Now (ρ)
2.8"
Mag pri
2.58
Mag sec
4.81
delta mag (ΔM)
2.23
Double and multiple star observer. Over 3,500 unique pairs logged.