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Jupiter and Saturn conjunction 2020

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#1 Andrewr2010

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Posted 08 June 2019 - 04:23 AM

Hi guys - after some advice regarding next year’s conjunction. I ( like many of you no doubt ) would love to image this conjunction but am struggling to get my head around some numbers. I understand the separation of the two planets to be around 6 arcminutes at conjunction but what I’d like to better understand is what that means for me in terms of imaging. I have a CPC 925 and also use of a skywatcher 150p and I’d like to image with my ZWO ASI120. Is there a calculator or a general formula I can apply to work out what focal length will give me the best chance of capturing both planets in a single shot? I also plan to image with a piggybacked DSLR but not with any planetary detail. Many thanks in advance and apologies for the convoluted question!!

Andrew

#2 beggarly

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Posted 08 June 2019 - 05:42 AM

http://www.astrosurf...glish/index.htm

I solved the problem with planetarium program C2A.

For the Celestron CPC925.

Attached Thumbnails

  • CPC925.jpg
  • CPC925set.jpg

Edited by beggarly, 08 June 2019 - 05:56 AM.

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#3 beggarly

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Posted 08 June 2019 - 05:47 AM

For the SkyWatcher 150P.

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  • 150Pset.jpg


#4 HellsKitchen

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Posted 08 June 2019 - 06:09 AM

Screencap of the conjunction from my place at around the time of closest approach. Will be low on the western horizon, but if it's going to be cloudy, you may well see me on the 6 o'clock news.....

 

This is a once in this lifetime event. 

 

*December is the second sunniest month here on average, but as we all know, that will be the one bloody day of rain or cloud the whole month, lol

 

mkuTs1M.jpg


Edited by HellsKitchen, 08 June 2019 - 06:12 AM.

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#5 DLuders

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Posted 08 June 2019 - 06:11 AM

The closest conjunction will be on the evening of December 21, 2020, just after sunset (when the pair are low in the SSW).  I checked the free planetarium software program  http://www.stellarium.org  to see how very CLOSE   shocked.gif     they will be.  



#6 kathyastro

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Posted 08 June 2019 - 08:17 AM

Well, now I know what the weather will be that day: overcast and snowing!  bangbang.gif   With my C-11 at maximum magnification, they should both be within the same FOV.


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#7 Andrewr2010

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Posted 08 June 2019 - 05:58 PM

Thanks all for the brilliant responses - very useful!! Lots of homework to do to work out my best imaging options...


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#8 Frank1984

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Posted 14 June 2019 - 05:19 PM

Well, I just saved the date and time to try my best at image this "almost crash" of worlds.




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