Svar till: NSV01161

[Thomas Karlsson]

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Hi Thomas,
Especially pleasing to do this one, as I run the YSO section!
Unfortunately, as with many of these stars, there is strong reddening from the ISM – so even though the B-Vs of some of the comp stars look high, most of that figure is due to the ISM and not intrinsically to the star itself. In such conditions, one has to pick ‘the best of the worst’!
The large amount of dark nebulosity in the area also means that some comp stars are farther from the target than I normally like. Comp stars are within a 30′ diameter field.
Michael Poxon, Norwich, UK
sequence team