Type | Binary Star |
---|---|
Magnitude | 6.41 | Right Ascension | 8h 28' 29.0" (2000) |
Declination | 2° 31' 2" S |
Constellation | Hydra |
Description | Binary 6.4/10.49 12" @ 320° |
Classification | A3mA5/7-A9 |
Andrew Cooper
Apr 19, 2023 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 6 Moon: 0%
White, no companion visible, Smyth notes a 7th magnitude companion at 15", this star is currently 0.4" away, carried there on the course of its 54 year orbit
Captain William Henry Smyth
Sep 9, 1838 No. 6 The Crescent, Bedford, England (map)
150mm f/17.6 refractor by Tully 1827
A very delicate double star, at the root of the Unicorn's tail; lying about 15° to the south-east of Procyon, on the line formed by that star and ζ Tauri, at the tip of the Bull's southern horn. A 7, pale topaz tint; B 11, violet; other stars in the field, of which the brightest and nearest is in the sp quadrant, near the vertical. This is one of Σ.'s discoveries, and was thus registered:Pos. 331° 32' Dist. 18".20 Ep. 1828.71
[WDS 320° 12".0 2011 ]― A Cycle of Celestial Objects Vol II, The Bedford Catalogue, William Henry Smyth, 1844
1 Hydrae | 2 Hydrae | 30 Monocerotis |
HD 72660 | IC 510 | IC 514 |
IC 517 | NGC 2590 | NGC 2615 |
NGC 2616 | NGC 2617 |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
A complete list of credits and sources can be found on the about page