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C/2007N3 (Lulin)
Date du périhélie : 2454842.1413  10/01/2009 15:23:28
Excentricité (°): 0.999987
Inclinaison (°): 178.373
Longitude du noeud (°): 338.5353
Argument (°): 136.8614
Distance au périhélie (ua): 1.212289
Magnitude Absolue : 6.5
Parametre d'activité : 4
- 2008 Déc.28 observation
- 2009 Jan. 03 observation
- 2009 Jan. 12 observation
- 2009 Jan. 21 observation
- 2009 Jan. 28 animation gif.
- 2009 Fév. 08
- 2009 Fév.11
- 2009 Fév.17 animation gif.
- 2009 Fév.21 observations
- 2009 Fév.23 observations
- 2009 Fév.24 observations
- 2009 Fév. 26 observations

- MPC report
- Coma diameter /magnitude relation
- Light curve

2008-07-05.94 exposure 9x60s T500 f/3





Graphes et carte  réalisés avec Prism




    mpc report :
   CK07N030  C2007 10 14.77113 21 15 27.59 -15 30 30.6          17.4 N      A77
    CK07N030  C2007 10 14.81102 21 15 26.07 -15 30 37.6          17.5 N      A77
    CK07N030  C2007 10 14.82653 21 15 25.50 -15 30 39.9          17.5 N      A77
    CK07N030  C2008 07 05.93008 20 46 56.30 -16 23 51.2          13.1 N      A77
    CK07N030  C2008 07 05.93350 20 46 55.73 -16 23 53.3          13.1 N      A77
    CK07N030  C2008 07 05.93691 20 46 55.17 -16 23 55.4          13.3 N      A77
    CK07N030  C2008 12 28.25582 16 01 53.89 -19 46 24.1          12.5 N      A77
    CK07N030  C2008 12 28.26021 16 01 53.85 -19 46 20.0           8.4 T      A77
    CK07N030  C2009 01 03.24947 15 58 35.54 -19 37 35.9          12.4 N      A77
    CK07N030  C2009 01 03.25213 15 58 35.43 -19 37 35.2           8.2 N      A77
    CK07N030  C2009 01 05.25444 15 57 15.59 -19 33 56.2          12.3 N      A77
    CK07N030  C2009 01 05.25678 15 57 15.49 -19 33 55.5          12.5 N      A77
    CK07N030  C2009 01 10.22241 15 53 19.79 -19 22 47.9          12.6 N      A77
    CK07N030  C2009 01 10.25290 15 53 18.04 -19 22 44.1          12.6 N      A77
    CK07N030  C2009 01 11.23550 15 52 23.95 -19 20 06.3          12.5 N      A77
    CK07N030  C2009 01 11.24921 15 52 23.13 -19 20 04.3          12.5 N      A77
    CK07N030  C2009 01 21.22461 15 39 51.78 -18 41 29.8           7.7 T      A77
    CK07N030  C2009 01 25.23829 15 32 19.50 -18 16 27.9          12.2 N      A77
    CK07N030  C2009 01 25.24028 15 32 19.36 -18 16 26.2          12.2 N      A77
    CK07N030  C2009 01 25.24647 15 32 18.45 -18 16 22.9           7.8 T      A77
    CK07N030  C2009 01 28.21365 15 25 19.06 -17 51 59.4          12.5 N      A77
    CK07N030  C2009 01 28.23026 15 25 16.27 -17 51 50.8           7.5 N      A77
    CK07N030  C2009 02 08.17095 14 40 57.80 -14 52 46.3          12.1 N      A77
    CK07N030  C2009 02 08.17225 14 40 57.30 -14 52 44.2           7.1 T      A77
2008/12/28.26

 
Dia coma  around  3' size


1x5s exposure.


Stars in the coma are removed (AudeLa software)
C2007 N3 (Lulin) 2008-12-28.26 Exp.1x5s T500 F/3+ccd kai11k No Filter.
Pixel size= 18.0µm [bin2] = 2.48" x 2.48"
Comp Star = SAO 159642 mag.V =  8.9. Spectral type : G5
2.48 (pixel size)
Arcsec radius mag. pixel radius
7.44 10.88 3
14.88 9.94 6
22.32 9.44 9
44.64 8.82 18
89.28 8.36 36
104.16 8.38 42


2009/01/03.25 9x15 sec.
C2007 N3 (Lulin)  Exp.1x5s T500 F/3+ccd kai11k No Filter.
Pixel size= 18.0µm [bin2] = 2.48" x 2.48"
Comp Star = SAO 159642 mag.V =  8.9. Spectral type : G5
2.48 (pixel size)
Arcsec radius pixel radius 2008 12 28 2009 01 03
7.44 3 10.88 10.9
14.88 6 9.94 10
22.32 9 9.44 9.44
44.64 18 8.82 8.73
89.28 36 8.36 8.27
104.16 42 8.38 8.24
124 50 8.18
148.8 60 8.16
173.6 70 8.07
198.4 80 8.66
 
2009 Jan. 12.25 12x60s Full frame bin2 0.25 reduct.
 zoom1:1

2009-01-15.25 9x120sec
2009-01-15.25 9x120sec
2009.01.21.24 12x120s
comp star : SAO 159436 (sp.K5) m1 = 7.7  dia = 8' (No filter). ccd KAI.
28.23 Jan. 2009 3 x 3x120s.


25x120s (zoom 0.33)



2009 Fév.08.17, 7.1, 14' (F.Kugel, Banon, France, 50-cm reflector + CCD;
Photometry, ICQ format :
   2007N3  2009 02 08.17xC 07.1 TT 50.L1a  5 +  .23              ICQ 77 Kug  I     S14.00mSTLaKA1     5 P  0.2   9.44 2.5s 2.5
2009 Fév.11 :5x60s LV,3x60sRB zoom 50%

2009 Fév. 17.19 LRGB 9x30 sec. T500 F/3 +ccd KAI 11k. zoom 50%


2009 Fév. 17.19 - Animation 04:40:43 to 05:31 26 14 img. 5x30 sec. T500 F/3 +ccd KAI 11k. zoom 50%


2009 Février 22.01 8x20s T0.50-m F/3
mag. 5.7 (dia = 17')

dia total = 24'.
CK07N030  C2009 02 22.00431 11 59 23.11 +00 19 43.3 5.7 T  A77

 2009 Fév. 21-22 Animation 21:46 to 00:20 (TU) 30 img. 8x20 sec. T500 F/3 +ccd KAI 11k. zoom 100% cropped.
2009 Fév. 23 9x60s zoom 25%  - dia coma around 30'
 
2009 Fév.24.88 14x60sec.
On 2009 Fév. 26 the comet seem to show a second (ion?) tail in PA 145° 
2009 02 26.86 9x60s bin 2 zoom 1/3 2009 02 26.86 9x60s bin 2 (false color) zoom 1/3 2009 02 26.87 14x20s bin 1 zoom 1/6
 




Light curve


    Comet for windows