NGC/IC Project Restoration Effort

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NGC3446

 

Basic Information


Location and Magnitude


Right Ascension: 10:52:12.0
Declination: -45:9:36
Constellation: VEL
Visual Magnitude:

Historic Information


Discoverer: Herschel J.
Year of discovery: 1836
Discovery aperture: 18.3

Observational


Summary description: Cl, pL, P, lC, iF, st 9…13
Sub-type: OCL

Corwin's Notes

===== NGC 3446. JH has two positions for this: one for the brightest star (perhaps foreground?) CoD -44 6866, the second for the cluster itself. He made the cluster only 7 arcmin across, so Brian's inclusion of the sparcer group northwest of the bright star might make astrophysical sense (if the group in fact is part of the cluster), but it is not JH's object. So, the position I've taken (from ESO-B) is close to JH's own second position. ESO 264-G027, a background galaxy, shines through the eastern side of NGC 3446. The two objects make a nice sight on the Sky Survey images. The total V magnitude of the galaxy, though, is about 13.7 (from B_T and R_T in ESO-LV), so it would probably not be that striking a sight at the eyepiece. Also see NGC 3366 where the cluster figures in the identification of N3366.

Steve's Notes

===== NGC 3446 14" (4/2/16 - Coonabarabran, 123x and 160x): ~30 stars visible in a 6' group with a mag 8.7 star at the northeast corner. The richest part is a 3'x1' group elongated NW-SE on the northeast side of the cluster. This subgroup includes a mag 10.6 star. An unequal mag 10.2/13 pair at 19" is on the south side with another mag 10.5 star ~45" SW. The brightest star in the field is mag 8.4 at ~10' NW. The galaxy ESO 264-047 is situated just off the east side of the cluster, 2' E of the mag 10.6 star mentioned above. It appeared very faint, very small, round, 15" diameter. 24" (2/22/14): viewed on the meridian at an elevation of 8¡, but not an optimal view. At 200x, mag 8.7 SAO 222386 is at the NW edge. A group of ~20 stars is south and east including four mag 10-11 stars in a 7' region. The ESO galaxy just off the east edge was not seen. Mag 8.4 HD 94198 is roughly 10' NW. A number of stars are also scattered around this star including a couple of brighter ones, but this seems like an unrelated, random gathering.