NGC/IC Project Restoration Effort

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NGC7122

 

Basic Information


Location and Magnitude


Right Ascension: 21:45:47.8
Declination: -8:49:47
Constellation: CAP
Visual Magnitude:

Historic Information


Discoverer: Cooper
Year of discovery: 1854
Discovery aperture: 13.5

Observational


Summary description: Nebulous * 10ยท11 or vS Cl (Auwers 47)
Sub-type: *2

Corwin's Notes

===== NGC 7122 is the double star that I've included in the position table. This was first identified as a "nebulous" star by Edward Cooper in his "Markree Catalogue" of stars near the ecliptic. Auwers includes it as the 47th object in his list new nebulae culled from the pre-1860 literature. Reinmuth noted it as a "* 10.5, eF eS neb or * 15 att np." The northwestern object is clearly a star on the modern sky surveys, though on the DSS2B plate, its image is pretty well blended with its brighter neighbor to the southeast. It is well enough separated on the DSS2IR plate that I've given positions for both objects. UCAC has also separated the stars, so I've adopted those positions.