APOD: Mercury Meets Crescent Venus (2020 May 29)

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APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by APOD Robot » Fri May 29, 2020 4:05 am

Image Mercury Meets Crescent Venus

Explanation: That's not a bright star and crescent Moon caught between branches of a eucalyptus tree. It's Venus in a crescent phase and Mercury. Near the western horizon after sunset, the two inner planets closely shared this telescopic field of view on May 22, seen from a balcony in Civitavecchia, Italy. Venus, the very bright celestial beacon, is wandering lower into the evening twilight. It grows larger in apparent size and shows a thinner crescent as it heads toward its inferior conjunction, positioned between Earth and Sun on June 3. Mercury, in a fuller phase, is climbing in the western sky though, reaching its maximum angular distance from the Sun on June 4 Still, this remarkably close pairing with brilliant Venus made Mercury, usually lost in bright twilight skies, easier to spot from planet Earth.

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Ann
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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by Ann » Fri May 29, 2020 4:44 am

Wow, the crescent of Venus! How often have we seen that in a widefield APOD?

And then Mercury is higher in the sky than Venus. That's funny and, I think, unusual too.

Great photo! :D

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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by orin stepanek » Fri May 29, 2020 10:47 am

Venere-e-Mercurio-tra-gli-Eucalipti1024.jpg
Kudos to Marco Meniero! Beautiful Photo! 8-)
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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by gwrede » Fri May 29, 2020 1:33 pm

This is Venus in the picture. What explains the peculiar form?
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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by Chris Peterson » Fri May 29, 2020 2:01 pm

gwrede wrote:
Fri May 29, 2020 1:33 pm
This is Venus in the picture. What explains the peculiar form?
It is overexposed and is therefore bloating (due to diffraction and scatter in the optics) towards a big blob.
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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by Tszabeau » Fri May 29, 2020 2:17 pm

Does anyone know what the object, visible in the full sized view, at approx. 5:00 of Mercury is?

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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by johnnydeep » Fri May 29, 2020 2:27 pm

Tszabeau wrote:
Fri May 29, 2020 2:17 pm
Does anyone know what the object, visible in the full sized view, at approx. 5:00 of Mercury is?
I'm not finding what you are referring to. All I see is haze and trees all around both Mercury and Venus. How close to Mercury is it?
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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by Ann » Fri May 29, 2020 2:53 pm

gwrede wrote:
Fri May 29, 2020 1:33 pm
This is Venus in the picture. What explains the peculiar form?


I'm sure you're not asking about the phases of Venus, but in any case, I thought we might take a look at what the phases of Venus look like. 8-)

Ann
Last edited by Ann on Fri May 29, 2020 3:14 pm, edited 1 time in total.
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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by Chris Peterson » Fri May 29, 2020 2:55 pm

Ann wrote:
Fri May 29, 2020 2:53 pm
gwrede wrote:
Fri May 29, 2020 1:33 pm
This is Venus in the picture. What explains the peculiar form?


I'm sure you're not asking about the phases of Venus, but in any case, I thought we might take a look at what the pahses of Venus look like. 8-)

Ann
Yes... but they never look quite like that!
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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by Tszabeau » Fri May 29, 2020 3:18 pm

johnnydeep wrote:
Fri May 29, 2020 2:27 pm
Tszabeau wrote:
Fri May 29, 2020 2:17 pm
Does anyone know what the object, visible in the full sized view, at approx. 5:00 of Mercury is?
I'm not finding what you are referring to. All I see is haze and trees all around both Mercury and Venus. How close to Mercury is it?
It’s about an inch below and to the right of Mercury as it first becomes visible when I zoom in on the hi-res view. It would be approx. 75” from Mercury in the low-res view, if it were visible at that resolution.

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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by johnnydeep » Fri May 29, 2020 4:34 pm

Tszabeau wrote:
Fri May 29, 2020 3:18 pm
johnnydeep wrote:
Fri May 29, 2020 2:27 pm
Tszabeau wrote:
Fri May 29, 2020 2:17 pm
Does anyone know what the object, visible in the full sized view, at approx. 5:00 of Mercury is?
I'm not finding what you are referring to. All I see is haze and trees all around both Mercury and Venus. How close to Mercury is it?
It’s about an inch below and to the right of Mercury as it first becomes visible when I zoom in on the hi-res view. It would be approx. 75” from Mercury in the low-res view, if it were visible at that resolution.
If you mean this white pixel that's slightly bigger than all the other whitish noise, I suspect it's just more noise:
mercury with something else.JPG
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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by Joe Stieber » Fri May 29, 2020 10:44 pm

I just noticed that today's (29-May-2020) APOD photographer, Marco Meniero, is also today's EPOD photographer!

https://epod.usra.edu/blog/2020/05/twil ... mical.html

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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by Chris Peterson » Fri May 29, 2020 11:43 pm

johnnydeep wrote:
Fri May 29, 2020 4:34 pm
Tszabeau wrote:
Fri May 29, 2020 3:18 pm
johnnydeep wrote:
Fri May 29, 2020 2:27 pm


I'm not finding what you are referring to. All I see is haze and trees all around both Mercury and Venus. How close to Mercury is it?
It’s about an inch below and to the right of Mercury as it first becomes visible when I zoom in on the hi-res view. It would be approx. 75” from Mercury in the low-res view, if it were visible at that resolution.
If you mean this white pixel that's slightly bigger than all the other whitish noise, I suspect it's just more noise.
I think you're probably correct, given that when the image was made there were several brighter stars around Mercury than the one that was near the location of this spot... and they aren't showing up.
Chris

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Re: APOD: Mercury Meets Crescent Venus (2020 May 29)

Post by neufer » Sat May 30, 2020 1:45 am


Chris Peterson wrote:
Fri May 29, 2020 2:01 pm
gwrede wrote:
Fri May 29, 2020 1:33 pm

This is Venus in the picture. What explains the peculiar form?
It is overexposed and is therefore bloating (due to diffraction and scatter in the optics) towards a big blob.
Art Neuendorffer