Andrew Cooper
Jul 17, 2023    Oregon Star Party, Ochoco Mts, OR (map)
25cm f/4.5 Newtonian, Holoholo @ 71x
Seeing: 7 Transparency: 7 Moon: 0%

Brilliant orange, an obvious companion visible about 5" ESE, the companion is about two magnitudes fainter, due to the color contrast the color of this companion is difficult to ascribe perhaps pale yellow, a handful of 7th and 8th magnitude stars within 10' provide a pretty field

Andrew Cooper
Apr 30, 2023    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 153x
Seeing: 6 Transparency: 6 Moon: 0%

Brilliant orange, high magnification revealing a 5th magnitude companion 5" east, and elegant pairing, the companion is noted as greenish in some references, Smyth goes so far as "emerald", I will record the color as white

Hipparcos and Gaia EDR2 data show matching parallax and proper motions for the pair and an SIMBAD lists F2V as the class for the companion, thus white.

Andrew Cooper
Jun 23, 2020    Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 81x
Seeing: 6 Transparency: 6 Moon: 0%

A pretty close binary, a brilliant orange sits 5" west of a yellow companion that is a couple magnitudes fainter 3.3/5.3 4.7"

Steve Coe

5th mag companion 4.8 sec PA 105

― SAC Red Star Database

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

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