NGC/IC Project Restoration Effort

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NGC7045

 

Basic Information


Location and Magnitude


Right Ascension: 21:14:50.3
Declination: +4:30:28
Constellation: EQU
Visual Magnitude:

Historic Information


Discoverer: Herschel J.
Year of discovery: 1827
Discovery aperture: 18.3

Observational


Summary description: eF
Sub-type: *2

Corwin's Notes

===== NGC 7045 is a triple star (I had called it a "double" earlier, but it is clearly triple in the DSS2 and SDSS images). JH says of it "eF; field feebly illuminated by moon, but I remained satisfied of its reality." He has only this single observation of it in Sweep 79. His position is only 30 arcsec north of the triplet, so the identification is pretty certain. There is another star about 12 arcseconds west of the line of three that may have added to the illusion of nebulosity here. Spitaler first identified the object as a double; the southern two stars were probably blended in his eyepiece. Dreyer noted in the NGC that d'A failed to find the object on two nights. The stars are either too faint for his telescope, or he dismissed them as being obviously stellar. A curiosity: Bigourdan has six observations of the asterism on two different nights, and apparently thought it nebulous on both nights. He used it as the comparison object for his estimated positions for IC 5097 and IC 5098 (both of which see).