archive: SETI [ASTRO] My Solar Report for April
SETI [ASTRO] My Solar Report for April
Larry Klaes ( lklaes@bbn.com )
Fri, 30 Apr 1999 09:45:11 -0400
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>Date: Fri, 30 Apr 1999 08:03:52 -0300 (ADT)
>From: Michael Boschat <andromed@ATM.DAL.CA>
>X-Sender: andromed@Sleet
>To: ASTRO <astro@lists.mindspring.com>
>Subject: [ASTRO] My Solar Report for April
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>Reply-To: Michael Boschat <andromed@ATM.DAL.CA>
>
> SUNSPOT NUMBERS: APRIL 1999 | Telescope: 20cm SCT, f/10, 200cm FL.
> | Method: Visual: 1000 Oaks filter type 2+
> AAVSO Code: BMF | and #58 green filter on eyepiece
> Michael Boschat | Magnification: 25mm eyepiece ( 80x )
> | LAT: N 44^ 39'
> Halifax, Nova Scotia | LONG: W 63^ 36'
> CANADA B3L 1Z1 | HGT: 58 meters above sea level
>-----------------------------------------------------------------------------
>Day| Se | UT | G | S | R | REMARKS
>-----------------------------------------------------------------------------
>01 | 2 | 1600 | 4 | 7 | 47 |Gr,Fl,Wind=45km gusts
>02 | 2 | 1630 | 4 | 9 | 49 |Gr,Fl,Wind=35km gusts
>03 | 2 | 1600 | 5 | 28 | 78 |Fl
>05 | 2 | 1740 | 4 | 23 | 63 |Gr,Fl,Wind=50km gusts
>06 | 2 | 1700 | 6 | 41 | 101 |Gr,Fl,Wind=60km gusts
>08 | 1 | 1430 | 7 | 45 | 115 |Gr,Fl
>09 | 1 | 2000 | 8 | 55 | 135 |Gr,Fl,Cl=55%
>14 | 2 | 2030 | 7 | 27 | 97 |Fl,Cl=55%
>17 | 1 | 1600 | 5 | 18 | 68 |Gr,Fl
>20 | 1 | 1730 | 4 | 15 | 55 |Gr,Fl,Cl=80%
>21 | 1 | 1640 | 4 | 13 | 53 |Gr,Fl,Cl=75%
>22 | 1 | 1800 | 3 | 23 | 53 |Gr,Fl,Cl=80%
>23 | 1 | 1630 | 4 | 15 | 55 |Gr,Fl,Cl=75%
>26 | 1 | 1700 | 4 | 16 | 56 |Gr,Fl
>-----------------------------------------------------------------------------
>Se= Seeing:
>1 = Clear fine structure in penumbra, granulation very well visible,
> no limb motion.
>2 = Some fine structure in penumbra, small spots within groups easily
> seen granulations visible, slight image motions at limb.
>3 = granulations barely visible, umbra-penumbra limit clear, limb motion
> boiling.
>4 = Umbra and penumbra of large spots seperate, no granulations visible.
> Some bad image and limb boiling.
>5 = Large spots only can be seen, bad boiling, cloud, umbra and penumbra
> cannot be distingushed.
>--------------------------------------------------------------------
>G = Number of sunspot groups
>S = Number of individual sunspots
>R = Daily Sunspot Number ( R=10xG+S )
>--------------------------------------------------------------------
>Cl = Clouds WLF = White Light Flare
>Fl = Faculae NEG = Naked Eye Spot Group
>Gr = Granualtions NOM = No Observations Made
>Ov = Overcast, 100% cloud cover
>WE = Wilson Effect: cc ( spot concave ), cv ( spot convex )
>
>
>