20 September 2005

19 September 2005

Observing
Location
PSC
Observational
Period
1710-1725 EDT
Atmospheric
Conditions
It was warm and dry wit light wind. It was mostly cloudy so I had to wait for a break in the clouds. There was some minor boiling on the top and bottom limbs of the sun.
TransparencyPoor
SeeingVery Good
Instruments Canon 15x50 Image Stabilized binocular with Baader AstroSolar filter film - Charlie
Observing
Party
Charlie Ridgway

TargetSunspots
ConstellationLeo
CategorySolar
Time19Sep05; 1710 EDT
Comments
808
SW quadrant. This spot is right on the limb so all I could tell about it was that it was there.
810
NE quadrant. Further onto the disk today. There is a large umbra with a thin penumbra. There is one t spot.

 GroupsSpotsR
Northern
Hemisphere
1212
Southern
Hemisphere
1111
Total2323
NOAA Boulder Sunspot Number43
R = 10 * Groups + Spots

Disclaimer
This is my personal record of my astronomical observations. It was written for my personal reference. The only reason it is in a blog is that a blog is a very convenient way to get the records formatted more or less uniformly and they will, hopefully, have greater longevity at Google where the servers are backed up than on my hard drive which never gets backed up. I occasionally include copyrighted material in my posts. I do this to make it convenient for me to access things I think I might want to refer to again. I think of this like making a photocopy of something I read that I put in a file where I can find it when I want it. As I understand copyright law, as explained in the DVD series Copyright Compliance by Chip Taylor Communications, this use is allowed under the Fair Use doctrine since I am not making any money on this blog, I don’t publicize the blog, and only occasionally post small excerpts of copyrighted works.


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