Friday, November 23, 2018

imaged Struve 219 (Halifax)

Full Moon. So I asked for a double star. HD 13247 aka STF 219 in Tri. For fun. The BGO returned this:

double star STF 219 in Triangulum in luminance

Luminance only, 1 second subexposure, 12 in the stack. FITS Liberator, Paint.NET. North is up; east is left.

The B companion is slightly dimmer and nearly due south. Interesting field stars...

My SkyTools software shows three tight stars on the chart but that must be an error. I don't see anything between the bright pair. At the same time the planning app says HD 13247 is a double with a mag 8 and 9 star separated by 11 seconds of arc. The software allow shows a colourful star to the south-west. It will be interesting to work this in colour...

Oh, the pair was on my DS candidate list... I'll have to check it visually.

There's a faint pair of equal stars, even tighter, to the north-east. No designation. Neat.

The zig zag of stars to the south, to the edge of the image frame, is intriguing. There are two sets of three stars aligned...

No comments: