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At last another night under the stars!


Pete Presland

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Good to finally manage a night out again, with the planets unavailable for a while it was nice to explore the Moon again. Not the best conditions with average seeing and gusty winds, but you have take what you get given!

The usual set up C9.25, Asi174mm, X2 Barlow.   Some nice details despite the conditions though.

 Vallis alpes & Plato,  Aristlus, Autolycus & Archimedes,  Arzachel, Purbach, Thebit & Rupes Recta,  Copernicus & Stadius.

70589120_2022_02_1019.12VallisalpesPlato.png.07da1eb9c20e7d6c49574fce8f4cf238.png

151650470_2022_02_1019.52AristlusAutolycusArchimedes.png.5486ffdd4e36fbc3c98083ac9465ac63.png

1278881439_2022_02_1020.04ArzachelPurbachThebitRupesRecta.png.d2991a5f62916c353a9488e4cefc2b51.png

1642505746_2022_02_1020.01CopernicusStadius.png.1799eecd5e1b07fea3521e9db9dad6b6.png

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Lovely shots Pete. The better of the seeing here occured on the 11th. Didnt try last night. 

You pulled some good detail out. watch out for the box artifacts copernicus top right. I only normally get them if i go to the smallest box. But always worth trying. Chris go says use the smallest box you can get away with. He uses 104. though i find 48 is good. I am guessing copernicus was 24 ? maybe ?

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1 hour ago, neil phillips said:

Lovely shots Pete. The better of the seeing here occured on the 11th. Didnt try last night. 

You pulled some good detail out. watch out for the box artifacts copernicus top right. I only normally get them if i go to the smallest box. But always worth trying. Chris go says use the smallest box you can get away with. He uses 104. though i find 48 is good. I am guessing copernicus was 24 ? maybe ?

Thanks for pointing that out, I hadn't noticed.  I will check to see what I did, I think it was 48 and multi scale.

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1 minute ago, Pete Presland said:

Thanks for pointing that out, I hadn't noticed.  I will check to see what I did, I think it was 48 and multi scale.

  Its only that one the rest are great.  I think multiscale only goes above not below box scale used.  So different data behaving differently perhaps. 

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50 minutes ago, Pete Presland said:

A quick reprocess, thanks @neil phillips I adjusted the minimum brightness setting down to 0 to make A/S3 put alignment squares all across the image.  When this was at 30, i noticed that only a small portion of the field of view was covered. The down side of doing a batch process.

2061514178_2022_02_1020.01CopernicusStadius.png.a19b70575f9f48e0f3d104784f37d9a9.png

That looks cleaner and more precise all round Pete. Yes missed points means more blur.  Excellent no blur here. Nice

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