Friday, August 19, 2011

19 August 2011

Observing LocationBP
Observational Period1515-1530 EDT
Atmospheric Conditions
Cloud CoverClear
Temperature82° F
WindLight Breeze
Wind Chill Effect
Heat Index
85° F
Humidity67%
Barometric Pressure29.89" Hg
7
KNYC METAR191851Z AUTO 17007KT 110V230 10SM CLR 28/19 A2992 RMK AO2 SLP122 T02780194 TSNO
Feels Likehot

TransparencyExcellent
SeeingIII
InstrumentsCelestron C70 Mini Mak spotting scope
  • stock 25x-75x zoom eyepiece
  • stock tabletop tripod w/geared Alt/Az adjustment
  • Kendrick filter cell with Baader AstroSolar filter film
  • Empire Magnetic POLYCAST Protractor
  • Planetarium for Palm on Tungsten|T3
Observing PartyCharlie Ridgway

Target Sunspots
ConstellationLeo
CategorySolar
Time
yyyymmdd.hhmm
20110818.1515 EDT
Distance
Light Time
1.01 AU
8m 25s
Angular Size31' 39.5"
Altitude49° 38'
Heliographic Latitude
(B0)
6.83°
Heliographic Longitude
(L0)
87.77°
Parallactic Angle
(P)
17.44°
Carrington rotation number
(CR)
2113

3D Sun graphic
CommentsI had to do a lot of focusing today.
NOAA says Group 2173 is still there but it is too small for me to see any of it.

Solar Dynamics Observatory graphic from SWx Monitor

 Groups SpotsR
North1515
South1111
Total2626
Official NOAA Sunspot Number53
R = (Groups * 10) + Spots)

Group 1271
Heliographic Latitude 6°
Heliographic Longitude 57°
Carrington rotation number
(CR)
2113
Spots Counted5
Mcintosh SystemDkc

Solar Dynamics Observatory graphic from SWx Monitor

Helio graphic
Group 1272
Heliographic Latitude -27°
Heliographic Longitude 56°
Carrington rotation number
(CR)
2113
Spots Counted1
Mcintosh SystemAkx

Solar Dynamics Observatory graphic from SWx Monitor

Helio graphic
Group 1273
I could not see any of this group in the scope and can only just detect it in the enlarged SDO image.
Heliographic Latitude °
Heliographic Longitude °
Carrington rotation number
(CR)
 
Spots Counted 
Mcintosh System 

Solar Dynamics Observatory graphic from SWx Monitor