Type | Star |
---|---|
Magnitude | 7.6 | Right Ascension | 15h 36' 2.2" (2000) |
Declination | 39° 48' 9" N |
Constellation | Boötes |
Classification | K1V |
Andrew Cooper
Jul 13, 2020 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 47x
Seeing: 6 Transparency: 5 Moon: 0%
A wide double with 2 yellow stars, magnitude 8.5 HD139323 is about 2' northwest, the 8th magnitude 1.2" companion of HD139341 is not visible tonight, the neighborhood is too bright to make out the surrounding galaxies (NGC5966, IC4563, et al.)
HD 139323 | IC 4557 | IC 4560 |
IC 4563 | Mu Coronae Borealis | |
Phi Boötis |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
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