31 January 2007

31 January 2007

Put three grains of sand inside a vast cathedral, and the cathedral will be more closely packed with sand than space is with stars.

Sir James Jeans



We got our first significant snowfall of the season last night. I don't think it will classify as plowable snow, and my building management certainly didn't do any plowing or shoveling, but it has persisted for over 12 hours. NOAA says we got 1.0" of snow yesterday, which would not include any snow that fell between midnight and when it stopped falling or how much accumulation there was. Although it is clear out now, there may be more precipitation of an undetermined type and amount late tomorrow night through Friday. It doesn't sound like I will get my full Moon rising pictures made this lunation.


Observing LocationVP
Observational Period1015-1030 EST
Atmospheric Conditions
Cloud CoverClear
TemperatureMid-20s F
WindModerate Breeze
gisting to
Stepnd Breeze
Humidity Low
Feels LikeWind Chill in teens

TransparencyExcellent
SeeingII
InstrumentsCanon 15x50 IS binocular w/Baader AstroSolar filter film - Charlie
Observing PartyCharlie Ridgway

Target Sunspots
ConstellationCap
CategorySolar
Time
yyyymmdd.hhmm		20070131.1015 EST
Comments
Distance
Light Time		0.985 AU
8m12s
Angular Size32'28"
Heliographic Latitude
(B0)		 -5.97°
Heliographic Longitude
(L0)		 55.86°
Position Angle
(P)		 -11.84°
Carrington rotation number
(CR)		2052

I am seeing penumbra around the spots today. Group 940 has changed a good bit since yesterday..

 Groups SpotsR
North0 0 0
South2 4 24
Total2 4 24
R = (Groups * 10) + Spots)

Group 940
Heliographic Latitude °
Heliographic Longitude °
Carrington rotation number
(CR)		2052
Mcintosh SystemCho
Group 941
Heliographic Latitude °
Heliographic Longitude °
Carrington rotation number
(CR)		2052
Mcintosh SystemCrx
I can are penumbra around the spot to the SE and a slight indication of plage surrounding it. The presence of penumbra seems to indicate that there is more than one spot here even though that is all I can see.


My PC is dying so there may not be many posts until I figure out what is wrong with it and fix it or replace it.


 DayNightTotal
HoursDaysAvgHoursDaysAvgHoursDaysAvg
Jan4.25120.357.7590.8612.00160.75
TOTAL 4.25120.357.7590.8612.00160.75

posted by Charlie at 13:31

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