NGC/IC Project Restoration Effort

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NGC6537

 

Basic Information


Location and Magnitude


Right Ascension: 18:5:13.0
Declination: -19:50:32
Constellation: SGR
Visual Magnitude: 11.6

Historic Information


Discoverer: Pickering
Year of discovery: 1882
Discovery aperture: 15.0

Observational


Summary description: planetary, B, S, stellar
Sub-type: PN

Steve's Notes

===== NGC 6537 17.5" (8/17/01): picked up at 220x as a fuzzy mag 12 "star" forming the eastern vertex of an obtuse, isosceles triangle with two similar stars 1.5' W and 2.4' NW. Excellent view at 380x and 500x. Clearly nonstellar at the higher powers, ~5" diameter with a bluish color and occasionally a slightly brighter center. 13" (8/17/85): appears mag 12.0 or fainter with OIII filter at 79x. In the field SW of a mag 7 star forming the southern "star" of an arc of three stars. 13" (8/11/85): stellar at 166x, estimate mag V =12.5. Just non-stellar at 220x and clearly nebulous at 360x, about 4" diameter. Appears fainter than computed V magnitude. Located 7' SW of mag 6.8 SAO 161056 and forms the east vertex of an obtuse triangle with two mag 12 stars 1.5' WNW and 2.4' NW.