🚀 go-pugleaf

Author : a.doppler@aobs.in-berlin.de (Andreas Doppler)

Daily conjunction ephemerides for the period of: Monday, 1996 Mar.  4 - Sunday,
1996 Mar. 10. The conjunctions are sorted by time (UT). All known asteroids and
objects of the NGC 2000.0 are included in the list which meets the following
criteria: The minimum elongation to the sun has to exceed 30 degrees, the
maximum elongation to the NGC/IC Object is 10 arcmin and the limiting magnitude
of the asteroid is brighter or equal than 14.0 mag. The Ephemerides were
calculated with a step of 5 min. Coordinates are for J2000.0 and FK5. Every
fifth issue detailed explanations are given at the end of the ephemerides.

------------------------------< Monday, 1996 Mar.  4 >-------------------------
 (UT)  Asteroid R.A.(2000)Decl Magn NGCICType R.A.(2000)Decl Magn  Size Dis Pos
 h  m  NameNum.  h   m    o  ' Step ID    OBJ  h   m    o  ' Step    '   '    o
 3:20       386  2:07.6 - 2:12 12.6 I 205  Gx  2: 7.4 - 2:06 15.0   1.1 6.8 200

-----------------------------< Tuesday, 1996 Mar.  5 >-------------------------
 (UT)  Asteroid R.A.(2000)Decl Magn NGCICType R.A.(2000)Decl Magn  Size Dis Pos
 h  m  NameNum.  h   m    o  ' Step ID    OBJ  h   m    o  ' Step    '   '    o
 3:35       968 11:27.7 - 9:11 13.4 N3688  Gx 11:27.8 - 9:10 15.0 ----- 2.2 143
13:35       105 21:28.1 - 1:36 13.4 N7069  Gx 21:28.1 - 1:38 15.0 ----- 1.6  18

---------------------------< Wednesday, 1996 Mar.  6 >-------------------------
 (UT)  Asteroid R.A.(2000)Decl Magn NGCICType R.A.(2000)Decl Magn  Size Dis Pos
 h  m  NameNum.  h   m    o  ' Step ID    OBJ  h   m    o  ' Step    '   '    o
 2:25       264 11:44.3 +16:28 12.8 N3853  Gx 11:44.4 +16:34 13.0 ----- 5.9 159
 8:15       126 11:18.7 + 7:26 12.8 N3624  Gx 11:18.8 + 7:32 14.0 ----- 5.8 160
 9:00       976 10:37.0 - 3:30 13.3 I 627  Gx 10:37.3 - 3:22 14.0   0.4 9.5 155
 9:45       105 21:29.8 - 1:29 13.4 I1387  Gx 21:29.6 - 1:21 15.0   0.4 8.7 196

----------------------------< Thursday, 1996 Mar.  7 >-------------------------
 (UT)  Asteroid R.A.(2000)Decl Magn NGCICType R.A.(2000)Decl Magn  Size Dis Pos
 h  m  NameNum.  h   m    o  ' Step ID    OBJ  h   m    o  ' Step    '   '    o
 5:25        50  2:35.2 +12:53 13.9 I 238  Gx  2:35.3 +12:49 14.0   1.8 4.4  18
 5:45       138 12:02.6 + 4:28 12.5 N4043  Gx 12: 2.4 + 4:21 14.0 ----- 8.2 336
 7:55        12 18:04.6 -22:25 11.4 N6531  OC 18: 4.6 -22:30  5.9  13.0 4.5   9
10:15        24  2:46.9 +16:23 13.0 I 255  Gx  2:47.1 +16:16 16.0   0.6 7.4  18
10:45       349 20:23.9 -26:06 11.6 I4999  Gx 20:23.9 -26:01 ----   1.9 5.4 191
12:45       264 11:43.0 +16:34 12.8 N3828  Gx 11:42.9 +16:30 15.0 ----- 5.0 340
13:45       287  9:40.4 +16:53 11.6 N2949  Gx  9:40.0 +16:47 15.0 ----- 8.5 322
18:55       505  2:08.8 + 7:58 13.4 N 827  Gx  2: 8.8 + 7:58 14.0 ----- 0.1  37
20:10      1656 10:17.6 - 3:28 13.6 I 600  Gx 10:17.2 - 3:30 ----   2.3 5.9 286
22:30       674 16:53.5 -22:06 13.4 N6235  Gb 16:53.4 -22:11 10.2   5.0 4.5 336

------------------------------< Friday, 1996 Mar.  8 >-------------------------
 (UT)  Asteroid R.A.(2000)Decl Magn NGCICType R.A.(2000)Decl Magn  Size Dis Pos
 h  m  NameNum.  h   m    o  ' Step ID    OBJ  h   m    o  ' Step    '   '    o
 8:25        91  1:53.0 +12:39 14.0 I1743  Gx  1:52.9 +12:43 ----   2.1 4.2 201
 8:30        44 10:44.2 +11:48  9.3 N3351  Gx 10:44.0 +11:42  9.7   7.4 7.1 331
16:10       185 11:48.6 +12:43 12.0 I 737  Gx 11:48.5 +12:43 15.0   0.6 1.3 312
17:45       185 11:48.5 +12:44 12.0 I 736  Gx 11:48.4 +12:43 15.0   0.4 2.4 313
20:35       419 18:04.6 -22:35 12.6 N6531  OC 18: 4.6 -22:30  5.9  13.0 5.3 184

----------------------------< Saturday, 1996 Mar.  9 >-------------------------
 (UT)  Asteroid R.A.(2000)Decl Magn NGCICType R.A.(2000)Decl Magn  Size Dis Pos
 h  m  NameNum.  h   m    o  ' Step ID    OBJ  h   m    o  ' Step    '   '    o
 1:25       611 12:49.5 - 6:49 13.7 I3812  Gx 12:49.9 - 6:42 15.0   0.8 9.8 138
 2:05       287  9:39.3 +17:05 11.6 N2946  Gx  9:39.1 +17:01 15.0 ----- 5.2 321
 3:10        43  1:59.5 +13:54 13.2 N 774  Gx  1:59.4 +14:01 14.0 ----- 6.8 199
14:40       287  9:38.9 +17:08 11.6 N2943  Gx  9:38.6 +17:02 14.0 ----- 8.8 321
17:50       490 12:48.1 - 3:22 13.5 N4691  Gx 12:48.2 - 3:20 11.2   3.2 2.9 145
20:25       287  9:38.8 +17:10 11.6 N2941  Gx  9:38.4 +17:03 15.0 ----- 9.8 321

------------------------------< Sunday, 1996 Mar. 10 >-------------------------
 (UT)  Asteroid R.A.(2000)Decl Magn NGCICType R.A.(2000)Decl Magn  Size Dis Pos
 h  m  NameNum.  h   m    o  ' Step ID    OBJ  h   m    o  ' Step    '   '    o
 1:20       554  3:10.6 +19:28 13.5 I1894  Gx  3:10.5 +19:36 16.0 ----- 7.7 194
16:55       159  2:10.2 + 7:49 14.0 N 840  Gx  2:10.2 + 7:50 15.0   2.5 0.9 203

Used orbital elements  ( 2000.0 ).
MP       JDate  M       Halfa. Eccen Perihel Node    Inclin H     G  Source Q
NameNum. YeMoDa Degrees   A.U. e     Degrees Degrees Degree Magn  -
-----------------------------------------------------------------------------
      12 961113  27.488  2.334 0.219  69.269 235.657  8.370  7.2 0.2 E 1996 0
      24 951010 263.025  3.129 0.135 109.673  36.092  0.762  7.1 0.2 E 1995 0
      43 950324   6.378  2.203 0.168  15.707 265.125  3.468  7.9 0.1 M25033 0
      44 950324 305.476  2.423 0.150 341.963 131.657  3.703  7.0 0.5 M24548 0
      50 961113  85.097  2.651 0.286 200.146 173.823  2.834  9.2 0.2 E 1996 0
      91 951010 294.150  2.590 0.106  73.466  10.979  2.117  8.8 0.2 E 1995 0
     105 950324 315.649  2.373 0.177  56.112 188.538 21.485  8.6 0.1 M24371 0
     126 951010 136.461  2.439 0.106 327.601  23.591  2.924  9.3 0.2 E 1995 0
     138 961113 297.757  2.448 0.163 259.394  55.129  3.210  8.8 0.2 E 1996 0
     159 951010 277.794  3.101 0.110 337.750 134.398  6.122  8.1 0.2 M26379 0
     185 950324  71.038  2.738 0.129 223.965 154.100 23.257  7.6 0.2 M24549 0
     264 951010  95.598  2.797 0.137 340.037  49.894 10.431  8.4 0.2 E 1995 0
     287 961113 318.939  2.353 0.023 121.772 142.529 10.021  8.3 0.2 E 1996 0
     349 951010 252.459  2.929 0.087 343.385  32.770  8.249  5.9 0.4 E 1995 0
     386 961113  65.177  2.898 0.171 220.557 167.055 20.236  7.4 0.2 E 1996 0
     419 961113  40.258  2.593 0.256  43.996 229.701  3.931  8.4 0.2 E 1996 0
     490 961113 208.056  3.167 0.101 200.130 178.602  9.264  8.3 0.2 E 1996 0
     505 961113  47.432  2.685 0.246 336.242  91.063  9.822  8.6 0.0 E 1996 0
     554 961113  76.076  2.374 0.154 127.469 295.751  2.942  9.0 0.2 E 1996 0
     611 961113 135.739  2.976 0.124 253.775 189.996 13.443  9.2 0.2 E 1996 0
     674 951010  91.692  2.922 0.195  40.275  58.805 13.538  7.4 0.2 E 1995 0
     968 951010 349.645  2.866 0.138 296.042 209.335 11.553 10.0 0.2 E 1995 0
     976 951010 313.790  3.204 0.099 303.026 245.690  7.581  9.2 0.2 E 1995 0
    1656 961113 143.402  1.878 0.123 287.230 175.691 25.059 12.4 0.2 E 1996 0

Images of some IC and NGC Objects can be found under following adresses :

NGC 6531 = http://www.seds.org/messier/large/m21.gif
NGC 4691 = http://imagelib.ncsa.uiuc.edu/imagelib/QueryPage.html <NGC 4691>

If the asteroid is not numbered, alternately the designation is given. 'JDate'
is the Julian Date yymmdd for the anomaly M in degrees. 'Halfa' is the great
half axis a in astronomical units. 'Eccen e' is the eccentricity of the
orbit. 'Perihel', 'Node' and 'Inclin.' are the three orbit angles in degrees.
H is the magnitude of the object in 1 A.U. from the sun and the earth, G is the
factor in the calculation of the objects brightness, which is too complicate to
list here (see textbooks). 'Source' is the source of the elements, usually from
a minor planet circular. These orbital element list is only for an overview,
which orbit I used. For well-known objects the accuracy of the published
original elements may be some digits better than given here.

Explanations of the columns in the ephemerides:

UT                Universal Time of the conjunctions given in steps of 5min.
MinorPl           Number or designation of the asteroid.
R.A.(2000)Decl    The asteroid�s right ascension in hours and time minutes and
                  the declination in degrees and arc minutes for J2000.0.
Magn              The magnitude of the asteroid in magnitude steps.
NGCICType         N or I for a NGC or IC Object followed by the number as
                  appeared in the catalogue.
                  Gx  : Galaxy
                  OC  : Open star cluster
                  Gb  : Globular star cluster, usually in the Milky Way Galaxy
                  Nb  : Bright emission or reflection nebula
                  Pl  : Planetary nebula
                  C+N : Cluster associated with nebulosity
                  Ast : Asterism or group of a few stars
                  Kt  : Knot or nebulous region in an external galaxy
                  *** : Triple star
                  D*  : Double star
                  *   : Single star
                  ?   : Uncertain type or may not exist
                  x   : Unidentified at the place given, or type unknown
                  -   : Object called nonexistent in the RNGC
                  PD  : Photographic plate defect
R.A.(2000)Decl    The NGC/IC Object�s right ascension in hours and time minutes
                  and the declination in degrees and arc minutes for J2000.0.
Magn              The magnitude of the NGC/IC Object in magnitude steps.
Size              The size of the NGC/IC Object in arc minutes.
Dist              The distance of the asteroid to the NGC/IC Object in arc
                  minutes.
Pos               The asteroid's position angle to the NGC/IC Object (from
                  north over east, south and west back to north, 0..360
                  degrees).

If an image of a NGC or IC Object can be found under an URL, the address is
given below the used orbital elements. If the URL is
'http://imagelib.ncsa.uiuc.edu/imagelib/QueryPage.html'
you must enter the name of the NGC object to get the picture.

The ephemerides should promote the observing of conjunctions.

The ephemerides were computed with a program by Andreas Doppler with an Apple
Performa 630 computer (Version of 1996 Feb. 18).

Please let me know if you observed a conjunction (or not).
You can reach me at a.doppler@aobs.in-berlin.de.

Because of the reason that software and/or datas may be incorrect, I cannot
guarantee the correctness of the ephemerides above.

Thanks to Arturo R. Montesinos (aramirez@servcoiae.recol.es) for bug reports.

If you want to subscribe to the list, send an E-mail message to
a.doppler@aobs.in-berlin.de consisting of a single line reading:
SUB MPNGCIC YourFirstName YourLastName