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Re: (IAAC) Obj: 11 Scorpio - Inst: Orion 6" dobsonian
Hi William,
Just curious, what is a hex mask and how does it
help?
Mark
anonymous NFS user wrote:
>
> ----
>
> Observer: William Schart
> Your skills: Intermediate (some years)
> Date/time of observation:
> Location of site: Killeen, TX (Lat 31 07, Elev 97 40)
> Site classification: Suburban
> Sky darkness: 4 <Limiting magnitude>
> Seeing: 7 <1-10 Seeing Scale (10 best)>
> Moon presence: None - moon not in sky
> Instrument: Orion 6" dobsonian
> Magnification: 32x, 48x, 72x, 98x, 120x, 144x, 240x
> Filter(s): none
> Object(s): 11 Scorpio
> Category: Multiple star.
> Class:
> Constellation: Sco
> Data: mag size
> Position: RA 16:7 DEC -12:44
> Description:
> Very tight double made even more difficult by the faintness of the secondary. Found by hopping from Xi Sco and STF1999. Primary is blue, but the secondary was too faint to tell - just a tinhy little dot located on the west side. Using a hex mask helped some here.
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