Tuesday, February 06, 2018

photographed HD 82159 (Halifax)

BGO took photos of HD 82159 aka Σ1360, a multi-star system in Leo. From my View Again list, so to check the colours...

multi-star system HD 82159 in luminance

Luminance only, 60 seconds subexposures, 10 stacked shots. FITS Liberator, Paint.NET. North is up; east is left.

The A and B stars look to be the same brightness. If I had to guess, I think A is to the north-east. C is very faint, well away, east-north-east. D is beyond C, less than the AB-C separation, almost in-line with A and B.

The seeing had improved compared to the images earlier in the evening.

Looking forward to colour processing...

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