March 4th Mag 6.8 Double Star Graze thru the Cassini Region of the South Lunar Pole* |
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Sun Valley MallContra Costa Blvd @ Willow Pass RdPleasant Hill, CAMeeting place / Derek’s Location Map is >> HERE Scroll down for graze maps
Derek will have Public Viewing of Saturn from 7 to 9 pm… Please Stop by and take a look thru the 12” LX200 *This is 6:30pm on Friday March 3rd local time. Profile in Miles
Profile in Kilometers
Redline is 14m grazeline – Green
and blue lines are 0.2miles apart.. Wide Map – Blue and Green Lines are
0.2 miles apart – Black lines are 0.6 km apart – Red Line is Grazeline = 0 km
= 0 miles
Walt’s Map Or Center Section Line legend is the same as above.
Black lines 2.4, 1.8, 1.2,and 0.6 km North of the Southern Limit
North Section Black lines are 3.6, 3.0, 2.4 and
1.8 km North of the Southern Limit
South Section Black Lines are 1.8, 1.2, and 0.6
km North of the Red grazeline of 0.0 km / miles
Grazing
Occultation of 348 cA2 Magnitude 6.8
Date 2006 March 4 (Saturday) Nominal site altitude 14m
E.
Longit. Latitude U.T.
Sun Moon TanZ
PA WA CA
o
' " o
' " h
m s Alt Alt Az o o
o
-122 0
0 37 57 17 2 37 48 -8 47 253 0.95 154.0
171.81 5.16S
Path coordinates
are referred to WGS84 (as used by GPS).
348 is double : 7.0
9.0 0.000" 0.0
Graze
Path of component #2 0.00km South,
and 0.0 secs. later cf. primary.
C A S S I N I R E G I O N G R A Z E
Librations Long +6.05 Lat -3.65
P +172.1 D -2.6
Illumination of moon 22%+
Elongation of Moon 56
Vertical Profile Scale 1.89 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.56 deg/min
Limiting
Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150
200 250 300
350
0.5 5.2 6.7 7.5
8.0 8.4 8.7
8.9
2.5 5.2 6.7 7.5
8.0 8.4 8.7
8.9
4.5 6.0 7.5 8.3
8.9 9.3 9.6
9.8
6.5 6.0 7.5 8.4
8.9 9.3 9.6
9.9
8.5 6.1 7.5 8.4
8.9 9.4 9.7
9.9
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