Lunar X + Lunar V 27/07/20

1 week 15 hours ago - 1 week 15 hours ago #109281 by flt158
Lunar X + Lunar V 27/07/20 was created by flt158
For those of us who like to do a bit of daytime observing, the Lunar X + the Lunar V are due to be on the terminator on Monday afternoon 27th July 2020 at 13.25 UT or 14.25 Irish Summer Time.
There will be rain on the morning on the east coast, but it is due to clear up at about noon.
Both these lunar objects need decent magnifications - say around 100X.

Clear skies,

Aubrey.
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1 week 15 hours ago #109282 by flt158
Replied by flt158 on topic Lunar X + Lunar V 27/07/20
I just fixed that UT time.
I get the information from Cloudy Nights.
The Moon is due to be in Libra on Monday.

Aubrey.
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6 days 15 hours ago #109287 by Until_then-Goodnight!
Replied by Until_then-Goodnight! on topic Lunar X + Lunar V 27/07/20
Hi Aubrey,

Very many thanks for this notification - did you manage to observe these features earlier?

The sky is looking good for tonight. If it stays as is I'm going to observe from my back garden.

Fingers crossed!

Darren.
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6 days 14 hours ago #109289 by flt158
Replied by flt158 on topic Lunar X + Lunar V 27/07/20
Hello, Darren.
I have just come in.
I had the refractor in the front garden to see the Lunar X and the Lunar V.
As the Moon was low, I could not see it from my back garden.
Our front garden is minuscule, but Valerie and I observed the X at 40X from 5.55 pm local time.
The clouds kept coming; but so did the clear blue skies.
So I kept the scope in that position until 6.30 pm.
Now I have it set up in the back garden ready for an evening session.
I'm starving right now.
But I sure am glad to see the X and the V on the Moon's terminator.
It's all about timing and being in the right place.
The Lunar X is caused by 5 craters which are interlocking with each other.
They are La Caille (68 km), Purbach (118 km), Blanchinus (58 X 68 km), Regiomontanus (126 X 110 km) and Werner (70 km).
When the Sun catches the tops of the rims of these craters, the Lunar X shows itself.
The Lunar V is caused by mountains in Sinus Medii.
I reckon both features will still be visible for a few more hours yet.
So maybe some of you will see them.

Clear skies from Aubrey.
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6 days 10 hours ago #109290 by Until_then-Goodnight!
Replied by Until_then-Goodnight! on topic Lunar X + Lunar V 27/07/20
Very many thanks for your message Aubrey, and for explaining what causes these features. Also, well done to you and your wife for observing the Lunar 'X' and the Lunar 'V' this evening. Unfortunately, I missed the opportunity to observe them myself earlier - pesky clouds! However, the scope is set-up, and it looks like Jupiter and Saturn will be on the menu tonight. 

I hope you are having an enjoyable session.

Chat soon,

Darren.
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5 days 18 hours ago #109292 by flt158
Replied by flt158 on topic Lunar X + Lunar V 27/07/20
Unfortunately there was a very heavy shower before sunset on Monday night.
So I had to put away everything.
Maybe Tuesday night will be better.

Aubrey.
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4 days 20 hours ago #109294 by Until_then-Goodnight!
Replied by Until_then-Goodnight! on topic Lunar X + Lunar V 27/07/20
Hi Aubrey,

Monday night reminded of an early episode of 'The Sky at Night' with the great Sir Patrick Moore.

"I can't see a single star at the moment...it's coming out...there is the Moon...I can see for the moment...no, it's gone again...absolutely infuriating...there's nothing we can do about it!

Well for me it was a similar story, but the object was Jupiter, not the Moon. All was not lost though: I did get approximately four minutes of observing. Jupiter's south equatorial belt was quite prominent; I could see four Galilean Moons; and several stars at 50X. Two of the Moons were flanking Jupiter quite closely.

Hopefully, we'll get some clear skies soon,

All the best,

Darren.
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4 days 15 hours ago #109296 by flt158
Replied by flt158 on topic Lunar X + Lunar V 27/07/20
Oh I remember that episode extremely well, Darren!
At least I should say I remember seeing the highlights of it.
That very pleasant gentleman had such a huge refractor - a massive thing.
I wonder where it is today.
Oh! There I go again!
Saying "I wonder" as Patrick used to say so often. Ha Ha Ha!!

I hear through the grapevine we are due to have one or two clear nights on the way. And much calmer conditions too.

So maybe we will be going back to the Sugarloaf to see Comet Neowise one more time.

Clear skies from Aubrey.
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4 days 11 hours ago - 3 days 22 hours ago #109297 by Until_then-Goodnight!
Replied by Until_then-Goodnight! on topic Lunar X + Lunar V 27/07/20
Haha.... Nothing wrong with sounding like Sir Patrick. He was first class!

After our non-runner session at the Sugarloaf last week, I'm really looking forward to getting down there again.

In saying that, there's a possibility I'll be observing from my sister's place tomorrow. She lives in Baltinglas, so the sky should be good provided that the sky is clear. If I do get to observe down there I'll let you know how I get on. 

All the best Aubrey, 

Darren. 
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