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identisch: P/2007 B1 = P/2020 W3 (Christensen): 20m
https://forum.vdsastro.de/viewtopic.php?f=52&t=6297
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Autor:  Uwe Pilz [ 08. Januar 2021, 07:45:32 AM ]
Betreff des Beitrags:  identisch: P/2007 B1 = P/2020 W3 (Christensen): 20m

From 162 observations 2007 Jan. 17-2021 Jan. 6, mean residual 0".8.
Code:
    P/2007 B1 (Christensen)                                                     
Epoch 2021 Jan. 26.0 TT = JDT 2459240.5                                         
T 2021 Jan. 24.49128 TT                                 Bell                    
q   2.4387611            (2000.0)            P               Q                  
n   0.07021728     Peri.   46.69154     -0.54794869     -0.80987653             
a   5.8188887      Node    77.67411     +0.69198099     -0.57950018             
e   0.5808888      Incl.   12.37741     +0.47001548     -0.09099204             
P  14.0                                                                         
From 162 observations 2007 Jan. 17-2021 Jan. 6, mean residual 0".8.             
https://minorplanetcenter.net/mpec/K21/K21A66.html

Autor:  Michael Jäger [ 08. Januar 2021, 10:40:02 AM ]
Betreff des Beitrags:  Re: identisch: P/2007 B1 = P/2020 W3 (Christensen): 20m

wenn ich das MPEC richtig lese, darf man Erwin zur Wiederentdeckung gratulieren

Autor:  Uwe Pilz [ 09. Januar 2021, 08:32:36 AM ]
Betreff des Beitrags:  Re: identisch: P/2007 B1 = P/2020 W3 (Christensen): 20m

Hatte ich übersehen, auch mein Dank an Erwin.

Jetzt auch im CBET 4903:

E. Schwab, Egelsbach, Germany, reports his recovery (in collaboration
with D. Koschny, M. Micheli, and R. Jehn) of comet P/2007 B1 (cf. IAUC 8797)
as an apparently stellar object on twelve stacked 60-s CCD images taken
remotely with the 0.8-m f/3 Schmidt reflector at Calar Alto, Spain; similar
confirming images were obtained the following night, and the recovery
observations are tabulated below.

Autor:  Mike Olason [ 01. Februar 2021, 22:17:23 PM ]
Betreff des Beitrags:  Re: identisch: P/2007 B1 = P/2020 W3 (Christensen): 20m

Hello Gentlemen,

Congratulations to Erwin. I finally got around to processing these images of P/2007 B1 and found Asteroid Ichige passing near the comet. I am disappointed that Martin missed this excellent opportunity to make another fine animation. Maybe I will have to make the animation, it will not look as good as Martins.

Dateianhänge:
2007B1_20210110_0532_molason.jpg
2007B1_20210110_0532_molason.jpg [ 361.37 KiB | 448 mal betrachtet ]

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