NGC/IC Project Restoration Effort

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NGC5455

Basic Information

Location and Magnitude

Right Ascension: 14:3:1.0
Declination: +54:14:27
Constellation: UMA
Visual Magnitude: 13.0

Historic Information

Discoverer: Stoney B.
Year of discovery: 1851
Discovery aperture: 72.0

Observational

Summary description: pB, pS, R, psbM, conn w M 101
Sub-type: GxyP

Corwin's Notes

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NGC 5455.  See NGC 5447.

Steve's Notes

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NGC 5455

18" (6/21/03): compact knot, round, easily identified as forms the southern vertex of a triangle with two 13th magnitude stars to the NW and NE.  At moments, a stellar nucleus or superimposed star pops out at 323x.

17.5" (6/7/97): fairly faint HII region in M101 located 6.6' SSW of center.  Very small, round, 15" diameter.  Appears a compact but nonstellar knot forming an isosceles triangle with two mag 13 stars 2.3' NE and 2.3' NW.