This may have been answered before. When I right click on a galaxy, NGC/IC, the stated magnitude is usually somewhat brighter then when I click on 'more info'. More info will bring up the NGC-IC Project data showing the magnitude to be dimmer in most cases.

Where does the 'right click' magnitude info come from? And why is there such a large difference compared to the NGC/IC magnitude info?

tks,
Ben Hudgens


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