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Clair-Obscur Effect near Mare Humorum?

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#1 DDEV

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Posted 13 November 2019 - 07:18 AM

Dear fellow CN members,

 

Last Friday (8th November) I spent approximately an hour observing the area around Mare Humorum. At approximately 22:10 UT I  noticed a most distinguishable face around this area of the lunar surface. Over the past week I have searched the Internet to see if other people have seen such a feature, but I've had no joy. So, I am now reaching-out to you. I'm wondering whether you have noticed this lunarism near to craters Liebig, Liebig A, Liebig B, Liebig F, Liebig G, Liebig H, Liebig J, Mersinus D, Mersinus E, and the Rupes Lieibig during your observations of this beautiful part of the lunar surface?

 

I attempted to take a picture of it using my phone, but the results were not great. Interestingly, the photo showed a second face above the one I am referring to in this post!

 

Needless to say, I'd be most grateful to hear if you have noticed this phenomenon before.

 

Many thanks for reading this post and kindest regards,

 

Darren.


Edited by DDEV, 13 November 2019 - 07:19 AM.

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#2 Astroman007

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Posted 13 November 2019 - 09:39 AM

First of all: through what size scope, at what magnification?



#3 DDEV

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Posted 13 November 2019 - 10:35 AM

Hi Martin, many thanks your quick response. The scope is an Orion XT6. In other words, it is a 6-inch Newtonian Reflector mounted on a Dobsonian base. I viewed the moon through an Orion 9mm Expanse Eyepiece.

 

Clear skies, 

 

Darren. 


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#4 beggarly

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Posted 13 November 2019 - 11:07 AM

The clair-obscur is not in this list: https://the-moon.us/wiki/Clair-obscur

I see something that looks a little like a face if I flip the image.

 

 

Liebig.jpg


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#5 DDEV

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Posted 13 November 2019 - 11:32 AM

Hi Beggarly,

 

Many thanks for your reply, and I see the face you mention!

 

I've manage to reduce the size of the photo I took, so you (and others) can see the second face I spotted. For some reason the other (and most notable) face did not come out. I plan to do a better job of capturing it next time round though.

 

I hope this helps!

 

Kindest regards,

Darren.

Attached Thumbnails

  • Moon.jpg

Edited by DDEV, 13 November 2019 - 11:34 AM.


#6 DDEV

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Posted 13 November 2019 - 11:43 AM

Hi All,

 

I have attached a second image that highlights where I noticed the more prominent face. Unfortunately, it has not come out in this photo. However, I will do my best to capture it next time round.

 

Clear Skies,

Darren.

Attached Thumbnails

  • Moon.jpg


#7 DDEV

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Posted 13 November 2019 - 12:43 PM

Many thanks for the likes Martin! 


Edited by DDEV, 13 November 2019 - 12:45 PM.

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#8 Astroman007

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Posted 13 November 2019 - 01:19 PM

Yeah, I'm probably not going to be able to see this through my 85mm apo at roughly 130x. But I should be getting an image amp before year's end, and by next spring I should have a mount for my C8 (so I can actually start using it).

Then I'll be able to enjoy these features in person, rather than through your photos, sufficiently good as they are. smile.gif


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#9 DDEV

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Posted 14 November 2019 - 06:27 AM

Hi Martin, thanks for the reply, and the very best of luck with your new equipment.

Clear skies,

Darren.
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