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Aristarchus tonight

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#1 BillHarris

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Posted 15 May 2019 - 08:07 PM

If you can get a peek, the terminator should be about 2* past Aristarchus tonight.
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#2 Blair

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Posted 15 May 2019 - 09:16 PM

yep.  Bullialdus was awesome as well in my AT 92mm at 169X (Televue 3 to 6 mm zoom),  


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#3 NorthernlatAK

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Posted 15 May 2019 - 09:55 PM

One of my favorite regions but have been clouded out lately. Last month I was able to spot other rilles in the area close by and the color is like no other region. Marius hills were gorgeous as well. Good seeing is rare where I live at 60°N but I was able to reach ~260× in my 8" dob that night. Such a beautiful area to get lost in...
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#4 BillHarris

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Posted 16 May 2019 - 09:28 AM

My intended area of interest was Aristarchus, but I ended up at Marius. Marius was on the terminator so the dome field to the west was not visible yet, but I did spot a couple of domes to the South and East of the crater.

I did my first astro photos with my new Questar and new camera. Got some decent photos in poor "shimmering" seeing. Let me review and try to stack & sharpen.
Be back later...
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#5 BillHarris

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Posted 16 May 2019 - 12:50 PM

And remember, the Hortensius Domes will visible in about a week after the last Quarter Moon (they are WEST of Copernicus).


Edited by BillHarris, 16 May 2019 - 06:58 PM.


#6 BillHarris

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Posted 16 May 2019 - 12:57 PM

Blair:

>> yep.  Bullialdus was awesome as well in my AT 92mm at 169X (Televue 3
to 6 mm zoom),

 

 

Bullialdus is interesting. It seems to have impacted on a major pluton (a plume of rock that rose from deep in the Mantle) and contains unusual rock types.


Edited by BillHarris, 16 May 2019 - 07:10 PM.


#7 NorthernlatAK

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Posted 16 May 2019 - 01:01 PM

And remember, the Hortensius Domes will visible in about a week around the last Quarter Moon (they are East of Copernicus).

I thought they were west of copernicus towards Kepler. Am I mistaken? That's one of my targets to catch in good seeing.

#8 entropyorganizer

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Posted 16 May 2019 - 03:00 PM

Last Saturday night (May 11) I saw the jagged mountain shadows cast onto the Plato crater bed. Always something new!  


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#9 BillHarris

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Posted 16 May 2019 - 07:13 PM

I thought they were west of copernicus towards Kepler. Am I mistaken? That's one of my targets to catch in good seeing.

Oops.  My mistake.  They are to the West.  That post has been corrected.



#10 BillHarris

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Posted 19 May 2019 - 12:18 PM

This is one of the images I captured on 15 May '19.  A 90mm std Questar 3.5 was used with a 1.5x barlow operating at 3.14x giving f/45.  The exposure was 1/10 second with a Sony NEX5 at ISO 400.  Seeing was poor.

 

Aristarchus is near the bottom just past sunrise.  The 8km crater Aeseius is below Aristarchus on the Plateau and Rupes Toscanelli is to the left on the Mare.  Above Aristarchus on the terminator is Marius crater.  A couple of the Marius Domes are visible below and to the left of Marius

 

Because of the poor seeing and the fact that this is not a stacked and processed multiexposure some detail is not visible.  But the telescope shows great potential for sharper images.

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Edited by BillHarris, 19 May 2019 - 12:22 PM.

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