POV-Ray : Newsgroups : povray.binaries.images : Stars of the night sky : Re: Stars of the night sky Server Time
2 Nov 2024 02:17:05 EDT (-0400)
  Re: Stars of the night sky  
From: Ger
Date: 22 Dec 2011 04:00:16
Message: <4ef2f1a0$1@news.povray.org>
wrote:

> Christian Froeschlin <chr### [at] chrfrde> wrote:
>> A bit confusing though as I'm more used to a cutoff at
>> magnitude 4.5 to 5 in the city ;)
> 
> I can get away from the city to about magnitude 6.0 before I run out of
> land. (I live on a small island.)
> 
>> Higher resolution would
>> be nice so the pleiades don't clump together so much.
> 
> Taurus attached, with a bit of Orion to the lower left.  Of course, the
> limited
> data set and limited dynamic range don't do justice to the Pleiades.  If
> you've never seen an open star cluster through a telescope, they are
> razor-sharp,
> glittery pinpricks of light.  I describe them as diamond dust on velvet.
> 
> I would like to get more extensive data from other sources, but I haven't
> figured out the best options yet.  I tried Hipparcos a few years ago, but
> I
> noticed some prominent stars missing from M7 and M42.  I've since
> forgotten where star chart software programs get their data.

You could have a look at ftp://cdsarc.u-strasbg.fr/pub/cats/I/317/
That is 38GB to download (148GB unpacked)
I would like to create a Hires full-sphere star sky out of that data (usable 
in a HD animation) but don't have a real idea on how to do that.
-- 
Ger


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