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Cosmic Challenge: Alphabet Soup

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#1 PhilH

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Posted 02 January 2018 - 08:40 AM

The Moon's terminator is a fascinating sight through all telescopes. Here, along the lunar sunset/sunrise line, lighting can strike familiar lunar features in very unusual ways, transforming them in ways that go unsuspected when the Sun rides high overhead.

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#2 Dave Mitsky

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Posted 03 January 2018 - 12:37 AM

Thanks for using my photo, Phil!


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#3 PhilH

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Posted 03 January 2018 - 04:32 AM

Thanks for using my photo, Phil!

My pleasure, Dave.  Thanks for discovering X2!  waytogo.gif



#4 Sarkikos

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Posted 11 January 2018 - 12:23 PM

Ever seen the Quincunx?  

 

Quincunx Spotted on the the Terminator!

https://www.cloudyni...the-terminator/

 

grin.gif

Mike


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#5 PhilH

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Posted 13 January 2018 - 06:09 AM

Thanks, Mike.  I've seen the thread, but never your Quincunx.  Named for five dots arranged in a cross, with four of them forming a square or rectangle and a fifth at its center.  My new word of the day.  Now, to work that into a conversation!


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#6 Sarkikos

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Posted 13 January 2018 - 01:17 PM

Quincunx would probably only come into conversation if you play dice!  The five on a die is a quincunx.

 

:grin:

Mike


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#7 optinuke

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Posted 24 January 2018 - 04:14 PM

Phil,

 

Since reading this article, I'd been anticipating observing these lunar features.  Last night (early 1/14/18 UT) it was clear in the Las Vegas area and I saw the U, V, and X in 60 and 80mm refractors, as well as shooting them with a video camera through a C14.  It was a lot of fun to see them and not worry about dark adaptation and incidental lights from surrounding houses.  The dynamic nature of the view was also interesting to watch as the sun slowly illuminated the features.

 

The Moon was getting too low to see X2 but I look forward to seeing that, too, in the future.

 

Jay



#8 PhilH

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Posted 27 January 2018 - 05:58 AM

Jay,
 
That's great!  Glad you had a chance to catch the view.  Unfortunately, the Moon had set here on the east coast by the time they all came into view, so I missed them.  In fact, looking at the rest of the year, I don't I'll get a chance to see them, except possibly in daylight, until Dec 14.  It's on my calendar, but my long-range forecast is for clouds.  wink.gif



#9 Dave Mitsky

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Posted 27 January 2018 - 03:29 PM

Here's a cropped version of an image that I took that shows the Quincunx.

 

Dave Mitsky

Attached Thumbnails

  • 1-1-Quincunx Lunar CN.jpg


#10 Dave Mitsky

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Posted 20 September 2018 - 01:49 PM

I captured the Quincunx again on Tuesday night, May 18th, using my iPhone 6s and the ASH 17" f/15 classical Cassegrain.

Dave Mitsky

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  • Moon 9-18-18 Quincunx CN.JPG

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#11 NorthernlatAK

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Posted 24 September 2018 - 01:21 AM

I believe I captured a photo of this feature but I am new to forums and technology in general. All I have is a cell phone and I am trying to post a picture. Can anyone help?



#12 NorthernlatAK

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Posted 24 September 2018 - 01:52 AM

20180525 001637
Album: Cellphone astro
1 images
0 comments

 



#13 Dave Mitsky

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Posted 26 October 2020 - 09:41 PM

I took the following afocal photos of the Lunar V, Aries' Hoofprint, and the Lunar X on the night of October 23rd using the Naylor Observatory's 17" f/15 classical Cassegrain.
 

Attached Thumbnails

  • Lunar V and Lunar X 17-inch October 23 Processed Resized 1100 CN.jpg


#14 Dave Mitsky

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Posted 26 October 2020 - 09:44 PM

Here's a close-up of the Lunar V and Aries' Hoofprint to the right.

Attached Thumbnails

  • Lunar V 17-inch October 23 FB Processed Resized 1100 Cropped CN.jpg


#15 Dave Mitsky

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Posted 26 October 2020 - 09:47 PM

And here's a close-up of the Lunar X.

Attached Thumbnails

  • Lunar X 17-inch October 23 Processed Rotated Resized 1100 CN.jpg


#16 Dave Mitsky

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Posted 21 April 2021 - 06:50 PM

Here's a hand-held afocal iPhone photo that I took on 3/20/21 using a 6" f/8 Orion SkyQuest XT6 Dob. Various lunar clair-obscur effects such as the Lunar L, X, V, a second V, and Aries' Hoofprint are labeled.

Attached Thumbnails

  • Lunar X 6-inch 1 3-20-21 IMG_2594 Processed Rotated Labeled Cropped Lunar X V V2 L.jpg


#17 Dave Mitsky

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Posted 21 April 2021 - 07:03 PM

Here's another afocal shot, with the Lunar X, V, V2, and L indicated, that I took with the 6" Orion Dob and my iPhone.

Attached Thumbnails

  • Lunar L Lunar V2 IMG_2564 Processed Rotated Cropped Resized 1000.jpg


#18 Dave Mitsky

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Posted 21 April 2021 - 07:07 PM

There is a third Lunar X or Lunar X3.  Here's a cropped and reprocessed version of a photograph that I took on 5/29/2020.  

Attached Thumbnails

  • Lunar X3 5-29-20 IMG_5169 Reprocessed Cropped Resized 1000.jpg


#19 Dave Mitsky

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Posted 21 April 2021 - 07:10 PM

I took this hand-held afocal iPhone photo on 4/19/21 using the 6" f8 Orion SkyQuest XT6 Dob.  The Lunar X was past its prime but the Lunar V and Lunar X3 (to the lower left of the Lunar V) are easily visible in the upper half of the picture.

Attached Thumbnails

  • Moon 4-19-21 iPhone 6-inch Orion XT6 IMG_3420 Processed Rotated.jpg

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#20 Dave Mitsky

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Posted 20 May 2021 - 08:15 PM

Earlier today I noticed that the Lunar V and Lunar X are visible in the photograph of the 8-day-old Moon that I took last night (May 19th), despite being a good distance from the terminator and well past their prime.  Aries' Hoofprint is also visible to the immediate upper right of the Lunar V.

Attached Thumbnails

  • Moon Straight Wall iPhone 5-19-21 IMG_4218 Reprocessed Rotated Resized 1000 Lunar X and Lunar V Labeled.jpg


#21 Dave Mitsky

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Posted 21 May 2021 - 06:31 PM

Here's an afocal iPhone shot that I took on May 18th using a 6" f/8 Orion SkyQuest XT 6 Dob with the Lunar X, Lunar V, Lunar V2 (or truncated Y), and Lunar L labeled.

Attached Thumbnails

  • Lunar X Lunar V2 Lunar L 17-inch 5-19-21 IMG_4091 Reprocessed Cropped Resized 1000.jpg

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#22 Dave Mitsky

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Posted 21 May 2021 - 06:40 PM

I took this afocal iPhone photo on the morning of May 19th using the Naylor Observatory's 17" f/15 classical Cassegrain. The Lunar X2 was beginning to form at that point in time.

Attached Thumbnails

  • Lunar X2 iPhone 17-inch 5-19-21 IMG_4147.jpg

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#23 Dave Mitsky

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Posted 18 June 2021 - 07:06 PM

I took hand-held afocal photograph night using my iPhone 11 Pro, a 6" f/8 Orion SkyQuest XT6 Dob, and a 17.3mm Tele Vue Delos eyepiece.  Even though it was at its prime in the morning the Lunar V was still easily visible, along with Aries' Hoofprint and Lunar X3.

Attached Thumbnails

  • Moon 6-17-21 Orion XT6 Delos IMG_5059 Processed Rotated Cropped Resized 1100 Labeled.jpg


#24 Dave Mitsky

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Posted 20 June 2021 - 12:16 PM

Here's a shot of the Lunar X that I took on 6/17/21 using the same gear.

Attached Thumbnails

  • Moon 6-17-21 Orion XT6 Delos IMG_5071 Processed Rotated Resized 1000 Labeled.jpg

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#25 Dave Mitsky

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Posted 15 September 2021 - 12:33 AM

The following are a few of the shots of the Lunar X and Lunar V that I took on 9/13/21 using my iPhone 11 Pro, a 6" f/8 Orion SkyQuest XT6 Dob, and an 8-24mm Tele Vue Click Stop eyepiece.  Wildfire smoke was a bit of a problem.

Attached Thumbnails

  • Lunar X 9-13-21 Full Lunar Disk IMG_9174 Reprocesssed Rotated Recropped Resized 900.jpg



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