Aug29Graze

West of I-5

East of I-5

Grazing Occultation of 1026 SG5 Magnitude 6.5

Date 2005 August 29 (Monday) 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

-125 0 0 37 20 14 12 1 53 34 78 1.49 353.2 349.05 14.12N

-124 52 30 37 24 6 12 2 3 34 78 1.48 353.2 349.06 14.10N

-124 45 0 37 27 58 12 2 12 34 78 1.47 353.2 349.08 14.09N

-124 37 30 37 31 49 12 2 22 34 79 1.47 353.2 349.10 14.07N

-124 30 0 37 35 39 12 2 32 34 79 1.46 353.2 349.11 14.06N

-124 22 30 37 39 29 12 2 41 35 79 1.45 353.3 349.13 14.04N

-124 15 0 37 43 19 12 2 51 35 79 1.44 353.3 349.14 14.02N

-124 7 30 37 47 8 12 3 0 35 79 1.44 353.3 349.16 14.01N

-124 0 0 37 50 57 12 3 10 35 79 1.43 353.3 349.18 13.99N

-123 52 30 37 54 45 12 3 20 35 79 1.42 353.3 349.19 13.97N

-123 45 0 37 58 32 12 3 30 35 79 1.41 353.3 349.21 13.96N

-123 37 30 38 2 19 12 3 39 35 80 1.41 353.4 349.23 13.94N

-123 30 0 38 6 6 12 3 49 36 80 1.40 353.4 349.25 13.92N

-123 22 30 38 9 52 12 3 59 36 80 1.39 353.4 349.26 13.90N

-123 15 0 38 13 37 12 4 9 36 80 1.38 353.4 349.28 13.89N

-123 7 30 38 17 22 12 4 19 36 80 1.38 353.4 349.30 13.87N

-123 0 0 38 21 6 12 4 28 36 80 1.37 353.4 349.32 13.85N

-122 52 30 38 24 50 12 4 38 36 80 1.36 353.5 349.33 13.83N

-122 45 0 38 28 33 12 4 48 36 81 1.36 353.5 349.35 13.82N

-122 37 30 38 32 15 12 4 58 37 81 1.35 353.5 349.37 13.80N

-122 30 0 38 35 57 12 5 8 37 81 1.34 353.5 349.39 13.78N

-122 22 30 38 39 39 12 5 18 37 81 1.34 353.5 349.41 13.76N

-122 15 0 38 43 20 12 5 28 37 81 1.33 353.5 349.42 13.74N

-122 7 30 38 47 0 12 5 38 37 81 1.32 353.6 349.44 13.72N

-122 0 0 38 50 40 12 5 48 37 81 1.32 353.6 349.46 13.71N

-121 52 30 38 54 19 12 5 58 37 81 1.31 353.6 349.48 13.69N

-121 45 0 38 57 58 12 6 9 37 82 1.30 353.6 349.50 13.67N

-121 37 30 39 1 36 12 6 19 38 82 1.30 353.6 349.52 13.65N

-121 30 0 39 5 13 12 6 29 38 82 1.29 353.7 349.54 13.63N

-121 22 30 39 8 50 12 6 39 38 82 1.28 353.7 349.56 13.61N

-121 15 0 39 12 27 12 6 49 38 82 1.28 353.7 349.58 13.59N

-121 7 30 39 16 2 12 6 59 38 82 1.27 353.7 349.60 13.57N

-121 0 0 39 19 38 12 7 10 38 82 1.27 353.7 349.61 13.55N

-120 52 30 39 23 12 12 7 20 38 83 1.26 353.8 349.63 13.53N

-120 45 0 39 26 46 12 7 30 39 83 1.25 353.8 349.65 13.51N

-120 37 30 39 30 19 12 7 40 39 83 1.25 353.8 349.67 13.49N

-120 30 0 39 33 52 12 7 51 39 83 1.24 353.8 349.69 13.47N

-120 22 30 39 37 24 12 8 1 39 83 1.23 353.8 349.71 13.45N

-120 15 0 39 40 56 12 8 12 39 83 1.23 353.9 349.73 13.43N

-120 7 30 39 44 27 12 8 22 39 83 1.22 353.9 349.76 13.41N

-120 0 0 39 47 57 12 8 32 39 84 1.22 353.9 349.78 13.39N

Path coordinates are referred to WGS84 (as used by GPS).

1026 is triple : 6.4 11.7 31" 46.0 : 6.4 10.4 56" 58.0

Graze Path of component #2 36.04km South, and 59.9 secs. later cf. primary.

Graze Path of component #3 46.29km South, and 123.3 secs. later cf. primary.

Librations Long +5.22 Lat -6.37

P +349.2 D +5.6

Illumination of moon 23%-

Elongation of Moon 57

Vertical Profile Scale 1.98 km/arcsec at mean distance of moon

Horizontal Scale Factor 1.58 deg/min

Limiting Magnitudes for various telescope apertures (in mm)

CA\Tdia 50 100 150 200 250 300 350

9.4 6.0 7.5 8.3 8.9 9.3 9.6 9.8

11.4 6.1 7.6 8.4 9.0 9.4 9.7 9.9

13.4 6.1 7.6 8.5 9.0 9.4 9.7 10.0

15.4 6.2 7.7 8.5 9.1 9.5 9.8 10.0

17.4 6.2 7.7 8.5 9.1 9.5 9.8 10.1

Total Occultations during this Graze

Occultation Predictions for Aug29 in August 2005

E.Long. -121 57 16.7 Lat. 38 51 44.8 Alt. 0m. T.dia 300mm. dMag 1.0

day Time P Star Sp Mag % Elon Sun Moon CA PA VA WA

y m d h m s No D V ill Alt Alt Az o o o o

05 08 29 8 46 49 r 78480cK5 7.5 24- 59 3 56 81N 285 332 281

78480 is double : 8.3 8.3 0.100" 63.0

05 08 29 8 49 35 r 78496 K0 7.5 24- 59 3 56 36N 331 18 327

05 08 29 8 52 1 r 78486cA7 9.1 24- 59 3 57 66S 252 299 248

78486 is double : 9.9 9.9 0.100" 95.0

05 08 29 9 10 19 r 78509 K2 9.7 24- 58 6 59 40S 226 275 223

05 08 29 9 12 7 r 78506 K0 9.2 24- 58 7 59 73N 293 343 290

Graze of 1008 A0 nearby at Lat = +40.45 +0.62(E.Long +121.95), CA = 12.4N

29 9 17 24 Gr 1008 A0 5.3 24- 58 8 60

Closest distance to graze path is 137km at azimuth 321

05 08 29 9 24 24 R 1008 A0 5.3s 24- 58 9 61 32N 335 25 331

1008 = 49 Aurigae

1008 = NSV 03032, 5.05 to 5.27 V , Type

Graze of 78533 K0 nearby at Lat = +40.05 +0.62(E.Long +121.95), CA = 12.7N

29 9 30 22 Gr 78533 K0 9.4 24- 58 10 62

Closest distance to graze path is 102km at azimuth 321

05 08 29 9 35 13 r X 90004 10.0 24- 58 10 63 65S 252 303 248

05 08 29 9 37 1 r 78533 K0 9.4 24- 58 11 63 30N 337 29 333

05 08 29 9 48 21 r 78531 K0 9.0 24- 58 12 64 49S 236 288 232

05 08 29 9 52 38 r X 9385 K0 9.3 24- 58 13 65 47S 233 286 230

05 08 29 9 56 20 r X 90215 10.4 24- 58 14 65 48S 235 288 231

05 08 29 10 2 11 r X 90231 10.2 23- 58 15 66 68S 255 309 251

05 08 29 10 2 14 r X 90234 10.2 23- 58 15 66 67S 254 308 250

05 08 29 10 13 17 r X 90479 10.4 23- 58 17 67 28N 339 34 335

05 08 29 10 14 54 r 78541 G0 10.1 23- 58 17 68 87N 280 335 276

05 08 29 10 23 22 R 78548 F2 8.8 23- 58 19 69 52S 239 294 235

05 08 29 10 26 13 r X 90422 10.9 23- 58 19 69 90S 277 332 273

05 08 29 10 34 16 R 78553 G5 9.0 23- 58 21 70 71N 296 352 292

05 08 29 11 4 15 r X 90797 10.7 23- 58 26 74 59N 308 6 304

05 08 29 11 4 29 r X 90745 10.8 23- 58 26 74 72S 259 317 255

05 08 29 11 13 37 r X 90825 10.6 23- 57 28 75 74N 293 351 289

05 08 29 11 18 13 R 78580SA2 7.3 23- 57 28 76 58S 245 304 241

78580 is triple : 7.2 10.2 29" 132.0 : 7.2 13.4 30" 235.0

05 08 29 11 19 28 r X 90859 10.1 23- 57 29 76 85N 282 341 278

05 08 29 11 31 32 r X 90967 10.7 23- 57 31 77 70N 297 357 293

05 08 29 11 35 20 r X 91065 9.8 23- 57 32 78 48N 319 19 315

05 08 29 11 45 10 r X 91048 10.6 23- 57 33 79 90S 277 337 273

05 08 29 11 46 9 r X 91068 10.5 23- 57 34 79 67S 254 314 250

05 08 29 11 48 48 r X 91133 11.1 23- 57 34 79 59N 308 8 304

05 08 29 11 54 20 r X 91153 11.3 23- 57 35 80 68N 299 0 295

05 08 29 11 54 57 R 78616 M0 9.1 23- 57 35 80 49N 319 19 315

05 08 29 12 5 19 r X 91199 11.3 23- 57 37 82 78S 265 326 261

05 08 29 12 5 52 G 1026SG5 6.5 23- 57 37 81 14N 354 55 349

1026 is triple : 6.4 11.7 31" 46.0 : 6.4 10.4 56" 58.0

Graze of 1026SG5 nearby at Lat = +38.87 +0.48(E.Long +121.95), CA = 13.7N

29 12 5 52 Gr 1026SG5 6.5 23- 57 37 81

Closest distance to graze path is 0km at azimuth 328

05 08 29 12 15 5 r X 91309 10.7 23- 57 39 83 68N 300 1 296

05 08 29 12 15 21 r X 91296 10.4 23- 57 39 83 59S 246 308 242

05 08 29 12 32 12 r X 91394 10.7 23- 57 42 85 76S 263 325 259

05 08 29 12 34 56 r X 91429 11.3 23- 57 -12 43 86 57S 245 306 241

05 08 29 12 38 34 r X 91524 11.1 23- 57 -11 43 86 35S 223 285 219

05 08 29 12 49 54 r X 91624 9.7 23- 57 -9 45 88 33S 220 282 216

05 08 29 12 52 30 r X 91536 9.9 23- 57 -9 46 88 71S 258 320 254

05 08 29 13 11 41 r X 91679 9.5 23- 57 -5 50 91 76S 264 326 260

Last updated: 8/17/05

Contact BREIT IDEAS

PROFILE FOR *** Derek Breit B, Martinez, CA IOTA 2002 FEB ACLPPP WITH 2004Nov.03 OBSERVED GRAZE DATA

354.54 353.54 352.54 351.54 350.54 349.54 348.54 347.54 346.54 WATTS ANGLE

---------+---------+---------+---------+---------+---------+---------+---------+---------+---------

-2 -1 +0 +1 +2 MINUTES FROM C.G.

+------+--------------------+--------------------+--------------------+--------------------+------+

I I I I I I I

I I I I I I I

0+------+--------------------+--------------------+--------------------+--------------------+------+ PREDICTED LIMIT

I I I I I I I

I I I I 3 3 3 I I I

I I I I 3 3 I I I

I I I I 3 I I I

I I I 3 I 3 I I I

I I I 3 3 3 3I I I

I I I DDDDDDDDDDDDD I I I

I I I DDD I DDD 3 I I I

+------+--------------------+----------DD4-------+----------DD-----3--+3-------------------+------+ -1 MI.

I I I DD I DD I I I

I I I D3 3 I D I I I

I I I DD I DD I 4 I I

I I I D 4 I D I I I

I I I DD I DDI I I

-1I I I D 3 I D 3 I I

I I ID I ID 3 I I

I I D 3 I I D I I

+------+-------------3-----D+--------------------+--------------------+--D-----------------+------+ -2 MI.

I I D I4 I I D I I

I I D 4I I I D I I

I I D I I I D I I

I I D 3 I I I D I I

I I I I I 3 3 I I

I I D3 I I I D I I

I I 4 D I I I D I I

I I D I I I D I I

+------+---------4----------+--------------------+--------------------+--------------------+------+ -3 MI.

I I D I C I D 3 I I

I I 4 D I E I D3 3 I I

I I D I N I D I I

-2I I 3 I T I I I

I I D I R I D I I

I I D I A I D 3 I I

I I 3 3 I L I 3 I

I I D I I D I I

+------+-----D--------------+--------------------G--------------------+----------------D---+------+ -4 MI.

I I I R I I 3 I

I I D I A I D I I

I I I Z I I I

I I D I E I D I I

+------+--D-----------------+--------------------+--------------------+-------------------D+------+

0 DATE 8/29/2005 TIME 9 HR U.T. LIBRATIONS - LAT -6.12

STAR ZC 1008 PREPARED BY VERSION 99C LONG 5.46

NORTHERN LIMIT GRAZE VPC - -0.433 SEC

CENTRAL GRAZE WATTS ANGLE 350.54 HEIGHT - 0.170 SEC CUSP ANGLE 12.3 N PLOTTED BY D. W. Dunham

FOR A POINT IN LIMIT CLOSEST TO HPS - 2.122 DEG/MIN POS ANGLE 353.960 PROFILE FOR Derek Breit B

Martinez, CA VPS - 0.59 SEC/MI DISTANCE TO LIMIT 125 MI Martinez, CA

OBSERVED DATA FROM GRAZES OF ZC 1035 10/02/88 ZC 538 07/27/89 ZC 1149 09/17/87 ZC 810 10/01/88 X 4273 07/17/71

X 4273 07/17/71 X 8040 09/22/70 X 8040 09/22/70 ZC 370 08/22/70 ZC 3093 04/22/76

ZC 539 08/06/69 ZC 539 08/06/69