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Interstellar comet Borisov C/2019 Q4

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#1 jeanc

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Posted 13 September 2019 - 05:24 PM

Hello 

 

The first interstellar comet e-3.2 is now 17m5-18m0. Enclose you find my image from sep 4 UT 3.00 10x90 sec with my 16"/3.2

Best Regards MIchael Jäger 

 

C/2019 Q4 (Borisov)                                                        
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                                        
T 2019 Dec.  9.42683 TT                                 Williams               
q   1.9715486            (2000.0)            P               Q                 
z  -1.1198672      Peri.  209.93597     -0.81322788     -0.18314787            
+/-0.0404062      Node   307.83092     +0.56607745     -0.46910038            
e   3.2078726      Incl.   44.37596     -0.13496939     -0.86394542            
From 205 observations 2019 Aug. 30-Sept. 13, mean residual 0".6.               
                                                                               
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2019 08 14    07 56 36.5 +37 29 12   4.0367  3.2133    31.2     9.4  19.1
...
2019 08 29    08 24 40.1 +33 56 21   3.7095  2.9689    37.2    11.9  18.6
...
2019 09 06    08 39 40.8 +31 44 27   3.5329  2.8439    40.6    13.3  18.3
...
2019 09 12    08 50 55.8 +29 55 57   3.4007  2.7530    43.1    14.5  18.1
2019 09 13    08 52 48.2 +29 37 00   3.3787  2.7381    43.5    14.7  18.0
2019 09 14    08 54 40.6 +29 17 49   3.3567  2.7233    43.9    14.9  18.0
...
2019 09 20    09 05 54.1 +27 17 07   3.2257  2.6363    46.5    16.0  17.8
...
2019 09 28    09 20 49.4 +24 20 29   3.0537  2.5255    49.8    17.6  17.4
...
2019 10 13    09 48 33.9 +17 54 40   2.7450  2.3369    55.9    20.7  16.9

Attached Thumbnails

  • 2019Q4sep4MJ.jpg

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#2 akvik

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Posted 14 September 2019 - 12:32 AM

Nice - will this comet be observable with amateur equiment (C8) as it goes by?



#3 jeanc

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Posted 14 September 2019 - 01:22 AM

If he behaves like comets of the solar system he should be 14-15 mag in november and december. Visually, you will need 12-14 " for him


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#4 jeanc

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Posted 16 September 2019 - 01:05 AM

Hello a new image from sep 16 UT 2.55 20x100 sec, 12"/4 no filter Regards Michael Jäger

 

https://spaceweather..._1568613605.jpg

 

GIF

 

https://spaceweather..._1568613605.gif


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#5 Rich (RLTYS)

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Posted 16 September 2019 - 06:56 AM

Hello a new image from sep 16 UT 2.55 20x100 sec, 12"/4 no filter Regards Michael Jäger

 

https://spaceweather..._1568613605.jpg

 

GIF

 

https://spaceweather..._1568613605.gif

Great images, especially the animation.cool.gif Please correct me if I'm wrong but Borisov has yet to be officially confirmed as interstellar?



#6 jeanc

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Posted 16 September 2019 - 03:20 PM

Hello Rich yes

look at e-3.4, comets from our solar system has up to 1.0

 

https://minorplanetc...K19/K19S03.html



#7 jeanc

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Posted 18 September 2019 - 03:25 AM

Hello a new animation from sep 18 UT 2.05 40x90sec Michael Jäger

 

https://spaceweather..._1568795030.gif


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#8 jeanc

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Posted 20 September 2019 - 01:45 AM

New image from sep 20 UT 2.05  42x2min 12"/4 Regards Michael Jäger

 

https://spaceweather..._1568961251.gif

 

https://spaceweather..._1568961251.jpg

 

 

 

 


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#9 clintmk89

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Posted 20 September 2019 - 07:43 PM

Very nice :)

#10 Matthew Ota

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Posted 21 September 2019 - 12:32 AM

The Weekly Information about Bright Comets (2019 Sept. 14: North) website has a page on this comet

http://www.aerith.ne...9Q4/2019Q4.html
 

 

that shows this magnitude chart showing the projected magnitude peaks in December 2019 and is estimated to be just below 15th magnitude, which puts it out of reach of most amateur telescopes.  

Attached Thumbnails

  • mag.jpg


#11 jeanc

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Posted 21 September 2019 - 02:30 AM

Hello 

Next clear night, C/2019 Q4 sep. 21 2.11 UT 80min 12"/4: GIF

https://spaceweather..._1569050518.gif

Regards Michael Jäger


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#12 Miranda2525

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Posted 21 September 2019 - 10:13 AM

Any "predicted" magnitudes and the brightest predicted magnitudes?



#13 Dan Crowson

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Posted 21 September 2019 - 01:57 PM

Any "predicted" magnitudes and the brightest predicted magnitudes?

 

About two posts before yours...

 

Dan



#14 goodricke1

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Posted 24 September 2019 - 12:03 PM

The IAU has formally designated the object as 2I/Borisov

 

https://www.iau.org/...m5b8Uex3_VtZ0Oc


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#15 RyanSem

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Posted 25 September 2019 - 04:43 PM

Hello 

Next clear night, C/2019 Q4 sep. 21 2.11 UT 80min 12"/4: GIF

https://spaceweather..._1569050518.gif

Regards Michael Jäger

This is unbelievably insane. What an amazing image! This is the FIRST interstellar comet ever found, and you have created this amazing animation of it. Mind is blown. Thank you for sharing!!


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#16 RazvanUnderStars

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Posted 28 September 2019 - 07:51 PM

Michael, thanks and we hope you have as many clear nights as possible, we got used to have near daily updates :-). Your work is much appreciated.




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