Monday, May 19, 2008

17 May 2008

Observing LocationVP
Observational Period0800-0815 EDT
Atmospheric Conditions
Cloud CoverClear
Temperature50° F
WindGentle Breeze
gusting to
Moderate Breeze
HumidityHigh
Barometric Pressure29.58" Hg
Rising
Feels LikeWarm

It feels a lot warmer than the thermometer indicates. The benches are mostly wet from the rain overnight.

TransparencyExcellent
SeeingI
Instruments Brunton 8x21 compact binocular w/Welco gold shade 14 welder's filter - Charlie
Observing PartyCharlie Ridgway

Target Sunspots
ConstellationTau
CategorySolar
Time
yyyymmdd.hhmm
20080517.0800 EDT
Comments
Distance
Light Time
1.01 AU
8m 25s
Angular Size31' 40.6"
Altitude25.1°
Heliographic Latitude
(B0)
-2.34°
Heliographic Longitude
(L0)
308.13°
Parallactic Angle
(P)
-20.16°
Carrington rotation number
(CR)
2070

Yesterday there were three tiny, as yet unnumbered groups widely scattered over the Sun’s visible disk in the SOHO images. If they are still there they are still too small for me to see them at 8x with hand-held binoculars.

 Groups SpotsR
North0 0 0
South0 0 0
Total0 0 0
R = (Groups * 10) + Spots)