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paulastro last won the day on September 5 2017
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FEB 28TH TONIGHT ONLY - BARKERS QUADRANGLE ON THE MOON
paulastro replied to paulastro's topic in Observing - Lunar
Good idea, will do. Thank you Stu, I'm fine now. -
FEB 28TH TONIGHT ONLY - BARKERS QUADRANGLE ON THE MOON
paulastro replied to paulastro's topic in Observing - Lunar
I' m pleased this generated some interest - and observing! Alas, I wasn't very well yesterd evening so couldnt observe. Still, great to read about other folk's adventures. The good thing is, there's another opportunity post-midnight on March 29th/30th . I'll post a reminder nearer the time. -
FEB 28TH TONIGHT ONLY - BARKERS QUADRANGLE ON THE MOON
paulastro replied to paulastro's topic in Observing - Lunar
Thanks Mark and Laurie, its certainly close to where it should be, and looks like it. Its very interesting if Willkins observed and recorded it on his map. I've looked in several photographic resources and not seen it represented. However this isnt too surprising perhaps. Lunar observers know very well that effects of the changing sun angle on the Moon can cause features to change their appearance very rapidly. In this respects visual observers have an advantage over imagers. The latter may take a pic in a fraction of a second, and may not look at the feature long enough to observe -
FEB 28TH TONIGHT ONLY - BARKERS QUADRANGLE ON THE MOON
paulastro replied to paulastro's topic in Observing - Lunar
Mark, I've had a careful look, and I cant see the x you are talking about. There is so much detail, it's rather confusing. I'm presuming the map is orientated inverted? I didnt see Dorsa Harker on the map, but then it may not have been included. I have seen some information on the feature in Lunar Cognitta but I cant remember where. I think if the lighting is correct, it wont be too difficult to see. Nigel was only using a 76mm refractor, though he does have an excellent eye and is a top notch observer. -
FEB 28TH TONIGHT ONLY - BARKERS QUADRANGLE ON THE MOON
paulastro posted a topic in Observing - Lunar
Here's a challenge from Nigel Longshaw in Feb's AN. Id noted it in my diary as something to look for if it was clear tonight - and it looks like it might be. I didnt know about it before I read Nigel's article. Hopefully others may find it of interest too. -
I also went out last night, and as you say John, now the sun has fully risen over the area, it looks very different. Lacus Autumni and Lacus Veris appearing as long grey features. I took another photo at 22.28pm, and had to darken the photo as it was difficult to see them with the rather overwhelming light on the limb. The seeing was poor which also didnt help - I cant make out Kopff in the photo - unless it's the elongated highlite on the limb? It was good to have three night viewing on the bounce, and nice to see it go from pre - full to full to post - full Moon with the sun set
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I was out observing from 8.30pm to 9.50pm and again from 11.45pm to 00.30am. I had a break to wait for a little more of M Orientale to become illuminated. Many people have problems observing M Orientale because it is difficult to know what you are looking at, unless you are very familiar with the area. Of course, it also requires a large and exceptional libration to the S/SW. The best chart I have seen is section 68 of the Cambridge Photographic Moon Atlas, published in 2012. Alas this was a short print run and it is very hard to find. If you have one, hang on to it, you want bel
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