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Our Astronomy

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Post by seer Tue Mar 31, 2020 6:16 am

I volunteer for the AAVSO (The American Association of Variable Star Observers) by visually gathering data points on variable stars that they use for plotting light curves of the stars and for studying them in other ways. The information is used by academics and scientists all over the world.
It is looking now like there may be a few clear nights coming up for me Wednesday and Thursday. Very Happy
It says the title for this topic "Astronomy" is to short and must be ranging between 10 and 255 characters. I'll try making it Our Astronomy.
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Post by sherlew Tue Mar 31, 2020 12:36 pm

That works. Smile

I haven't been that active in astronomy here lately, I'm afraid.

Good luck both Wednesday and Thursday night.
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Post by seer Tue Mar 31, 2020 1:07 pm

Are there people that approach you at night where you are?
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Post by sherlew Tue Mar 31, 2020 1:12 pm

No, we're pretty isolated out here, though we still have some light pollution from town.
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Post by sherlew Tue Mar 31, 2020 1:19 pm

I'm going to move this to the new Astronomy and Space News forum.
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Post by seer Tue Mar 31, 2020 1:24 pm

sherlew wrote:I'm going to move this to the new Astronomy and Space News forum.
It's OK with me Smile
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Post by sherlew Tue Mar 31, 2020 1:27 pm

Smile
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Post by seer Tue Mar 31, 2020 1:41 pm

Hey you flipped the thread right way. Thanks
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Post by seer Tue Mar 31, 2020 1:45 pm

Our Astronomy Screen10
Our Astronomy Screen11
Here are 2 screenshots of a light cure that I helped with for the AAVSO of the variable star R Lep.
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Post by sherlew Tue Mar 31, 2020 1:51 pm

seer wrote:Hey you flipped the thread right way. Thanks


You're welcome. Hopefully I can get the others oriented the correct way as well soon.
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Post by sherlew Tue Mar 31, 2020 1:52 pm

seer wrote:Our Astronomy Screen10
Our Astronomy Screen11
Here are 2 screenshots of a light cure that I helped with for the AAVSO of the variable star R Lep.
It's cool seeing your name there.
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Post by seer Tue Mar 31, 2020 2:16 pm

The 2 gold crosses on the light curve are my entries.
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Post by sherlew Tue Mar 31, 2020 8:19 pm

Cool Smile
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Post by seer Wed Apr 01, 2020 1:02 pm

The stars that I will try for tonight will be in Ursa Major. I hope the moon behaves.
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Post by sherlew Wed Apr 01, 2020 1:59 pm

I hope so too.
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Post by seer Wed Apr 01, 2020 9:01 pm

I just got back in and I was able to find and get two readings on stars new to me. They are Z UMa & VY UMa. I will send in my findings tomorrow.
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Post by seer Thu Apr 02, 2020 8:20 am

I sent my findings in. I never look at the light curves until after I log my findings. When I looked at the light curve for VY UMa it looked squirrely. Tried to do some checking on the star. Looks like it's doing more than one thing and one of the things is fast. You probably need to adjust the parameters of the light curve generator in order to see a curve.
Tonight is to be clear but windy and the moon is creeping east so no telescope. Someone should make a riddle about the moon. It is the only thing that I know of the moves in opposite directions at the same time. I'm thinking about waiting until much later at night and trying for R Hya with binoculars
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Post by sherlew Thu Apr 02, 2020 10:34 am

A riddle about the moon would be great.
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Post by seer Thu Apr 02, 2020 11:34 am

I came up with one and already posted it on the AAVSO forum. You know the answer so please don't reply to it there.
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Post by seer Tue Apr 07, 2020 7:30 am

My riddle is still up on the AAVSO forum but no one has replied yet. Are they ignoring it because it is to simple?
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Post by sherlew Tue Apr 07, 2020 11:37 am

I'm not sure. They might just be doing other things as well.
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Post by seer Wed Apr 08, 2020 7:44 pm

I just got back in. I was out trying to get my first telescope reading of a variable star namely R Leo. I knew clouds were coming one way and the super moon the other and I wasn't sure which way R Leo was heading on its curve. Well there was to much against me and I lost. I was in the right spot to see it but didn't.
I did look at the super moon with my 7x35 binoculars. It was in the south east and I am use to seeing it west of the meridian. It was oriented differently. It must rotate as it crosses the sky.
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Post by sherlew Thu Apr 09, 2020 1:32 pm

I knew that the moon was tidally locked, but looks a bit different now and then, so ran a search and found out that it kind of rocks across the sky in a movement called libration:
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Post by seer Thu Apr 09, 2020 1:46 pm

It is tidally locked and I did know libration but that is just slight. This was different with Mare Crisium seeming more north than it should be.
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Post by sherlew Thu Apr 09, 2020 2:18 pm

Hmm, interesting. Maybe the libration has changed a bit from what it usually does.
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