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Crater Julius Caesar

moon sketching
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#1 FRANC LILL

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Posted 14 September 2019 - 10:39 AM

Hello, a lunar sketch again of september 5th, 2019

 

Crater Julius Caesar just east of Mare Tranquillitatis, and Rima Ariadaeus.

The sketch shows a possible catena overprinting the eastern limb of J. Caesar. 

 

 

Medium conditions, good transparency and poor seeing, observation from Cap Ferret with 16" Dobson and Nagler 9mm eyepiece, sketch with help of a smartphone photography behind the eyepiece.

 

Clear skies,

Francis

 

19090510.jpg


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#2 stargazer60

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Posted 14 September 2019 - 11:46 AM

Beautiful sketch it is as if I were looking through an telescope.  Keep up the fantastic work. bow.gif waytogo.gif 


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#3 astrolexi

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Posted 14 September 2019 - 02:03 PM

Impressive sketch!

Thanks for posting!

 

Best wishes

Klaus


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#4 astronz59

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Posted 16 September 2019 - 01:33 AM

A great sketch Francis - very well executed and packed with interesting detail and features! Telescope.gif  waytogo.gif



#5 FRANC LILL

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Posted 16 September 2019 - 02:58 AM

Thank you so much, stargazer60, Klaus and astronz59!

 

No information about the catena?

 

Clear skies,

Francis



#6 frank5817

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Posted 16 September 2019 - 11:05 AM

Francis,

 

Fine sketch of Julius Caesar crater. That elongated trough that looks like a catena is due to massive scouring and ejecta from the Imbrium basin formation. It apparently was formed by a near surface ejecta from Imbrium. The whole region shows many crater walls blown out by this enormous event.

 

Frank :)



#7 niteskystargazer

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Posted 16 September 2019 - 01:22 PM

Francis,

 

Very nice sketch of Crater Julius Caesar smile.gif .

 

CS,KLU,

 

thanx.gif ,

 

Tom



#8 FRANC LILL

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Posted 16 September 2019 - 04:38 PM

Thank's Frank and Tom.

 

Frank, your explanation seems really credible. The main feature is probably that elongated trough that is radial to Mare Imbrium.



#9 frank5817

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Posted 16 September 2019 - 06:51 PM

Francis, you may like this comparison.

 

This is Randolph Jay sketch of the region that he post here at CN November 2017. It is closer to sunrise than yours.
https://www.cloudyni...t-past-sunrise/

 

This is my sketch from the summer of 2015 that is at higher sun than your sketch.
https://www.cloudyni...r-and-environs/

 

Frank :)



#10 FRANC LILL

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Posted 17 September 2019 - 02:15 AM

Thank you very much Frank for sharing these 2 observations, I did not know them, nor I did not know that this subject had seduced more than one.
I am very happy to discover it.

 

Clear sky,

Francis



#11 pedrovillamiel

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Posted 20 September 2019 - 11:28 AM

Nice job
Greetings. Peter


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#12 Aquarellia

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Posted 21 September 2019 - 02:29 AM

Joli Francis, bravo!

 

I like this pastel a lot.

Hope to see more from you here (or elsewhere wink.gif ).

 

Michel


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#13 FRANC LILL

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Posted 21 September 2019 - 04:27 AM

Thanks a lot Pedro,

 

Michel,  ça me fait chaud au coeur wink.gif



#14 Uwe Pilz

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Posted 30 September 2019 - 11:45 PM

I am fascinated of that sketch. Beautiful! One of the best moon sketches I ever saw.


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#15 FRANC LILL

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Posted 01 October 2019 - 05:03 AM

Thank you, Uwe

 

I am fascinated of that sketch. Beautiful! One of the best moon sketches I ever saw.

... that's to much for me flowerred.gif

 

Herzliche Grüßen

 

Francis



#16 Andrev

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Posted 05 October 2019 - 09:00 PM

Excellent sketch.

 

Andre.




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