[AZ-Observing] Antares and M4 from Boyce-Thompson

At the last Boyce-Thompson star party where the clouds were dogging us early in 
the evening I kept trying to find a clear place in the sky to shoot.  Scorpius 
was just about the only constellation that was consistently visible.  I would 
point my camera there, and after a few minutes a cloud would drift by and I 
would point it somewhere else.  It would clear up and I would point it back 
until the clouds came again.  After all was said and done, I accumulated 30 
minutes of luminance and 15 minutes of color data of Antares and M4:
http://members.cox.net/jonc97/images/astro/nebula/antares.htm


Jon Christensen
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