NGC/IC Project Restoration Effort
(This is a very very beta version)
NGC6544
Basic Information
Location and Magnitude
Right Ascension: 18:7:20.6
Declination: -24:59:49
Constellation: SGR
Visual Magnitude: 7.5
Historic Information
Discoverer: Herschel W.
Year of discovery: 1784
Discovery aperture: 18.7
Observational
Summary description: cF, pL, iR, r
Sub-type: V
Steve's Notes
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NGC 6544
24" (7/30/16): at 260x; bright, moderately large, irregular scraggly halo, ~4'x3' roughly E-W. Well concentrated with a bright irregular core with resolved stars. A mag 11.2 is at the southwest side of the halo, 1.5' from center. Roughly 15-20 stars are resolved in the halo (horizontal branch magnitude Å 15.2), though some of these are likely field stars. At least a half-dozen stars are resolved in the central core including a pair of close brighter stars and a third nearly in line. At 375x at least a dozen stars were resolved over an irregular core region.
17.5" (5/10/91): bright, 4'x3', elongated NW-SE, irregular and scraggly outline, mottled. Located in a rich star field. About six stars are superimposed including two or three mag 13 stars in a tight knot near the center. In addition, several faint stars are resolved at the edges (or nearby field stars). A double star with components mag 11.5/13.5 lies 2' SW.
8" (8/23/84): at 200x, appears moderately bright with two stars are visible at the center and two or three stars are resolved at edges. The appearance is grainy with a brighter core.
8" (7/31/81): fairly faint, small, brighter core, easy but no resolution.