12 September 2006

12 September 2006

Observing LocationCastle Hill elevated subway platform, #6 Line, Bronx, NY
Lay 40° 50' 3.73, Long -73° 51' 2.36"
Observational Period1015-1030 EDT
Atmospheric ConditionsMild; scattered clouds, mostly to the east.
Good
TransparencyGood
Seeing
InstrumentsBrunton 8x21 compact binocular w/gold welders glass- Charlie
Observing PartyCharlie Ridgway

TargetMoon
ConstellationTau
CategoryLunar
Time20060912.1* 015 EDT
CommentsWhile walking to the subway I saw the moon up in the western sky and, having to wait for the train, dug out my binocular to observe it from the swaying train platform. The rotation of the Moon this late as it was setting took a little getting used to. I could see maria naked-eye but couldn’t figure out which ones they were.

Target Sunspots
ConstellationLeo
CategorySolar
Time20060912.1025 EDT
Comments
Heliphraphic Latitude(B0) +7.23°
Heliographic Longitude (L0) 114.47°
Position Angle
(P)		 23.58°
Carrington rotation number
(CR)		2047

Still waiting for the train I turned around about 180° and tried to observe the Sun. The subway platform was swaying so much that I couldn’t tell anything about sunspot group 904 in my little binocular.

Heliographic Latitude °
Heliographic Longitude °
McIntosh System

 Groups SpotsR
North
South
Total
R = (Groups * 10) + Spots)


Observing LocationScience, Industry, and Business Library, Madison Ave @ 34 St, New York, NY
Lat 40° 44' 52.82", Long -73° 58' 58.43"
Observational Period1130-1145 EDT
Atmospheric ConditionsClear and mild, a very pleasant early autumn day.
TransparencyGood
SeeingGood
InstrumentsBrunton 8x21 compact binocular w/gold welder’s glass
Observing PartyCharlie Ridgway

Target Sunspots
ConstellationLeo
CategorySolar
Time20060912.1130 EDT
Comments
Heliphraphic Latitude(B0) +7.23°
Heliographic Longitude (L0) 113.79°
Position Angle
(P)		 +23.59°
Carrington rotation number
(CR)		2047

Space Weather is still showing group 909 and Active solar region is showing both 907 and 909 and is calling 904 908. All I see is 904/908. The spot appears to have leapt forward across the disc and still appears farther away from the equator than when it first rotated back onto the face of the Sun.

904
Heliographic Latitude -24°
Heliographic Longitude 147°
McIntosh SystemAsx
With the small binocular I can only detect one spot in the group. I can still detect penumbra.

 Groups SpotsR
North0 0 0
South1 1 11
Total11 11
R = (Groups * 10) + Spots)

[13Sep06: I found out today that they are baking out the SOHO CCD and there are no updated images to be posted on the Space Weather site. The SOHO site has a map with all the spots labeled but there are so many labels that they overlap and I can't read them so don't know for sure what number I should be using for that big spot.]

posted by Charlie at 13:47

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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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