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Solar Analemma. This outstanding image from Alexandra Hart taken over a period of 4 years charts the midday position of the sun in the sky throughout the year. The north–south component of the analemma results from the change in the Sun's declination due to the tilt of Earth's axis of rotation. The east–west component results from the nonuniform rate of change of the Sun's right ascension, governed by combined effects of Earth's axial tilt and orbital eccentricity.

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September 9th Ha

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MapleRidge
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September 9th Ha

Post by MapleRidge » Tue Sep 10, 2019 5:58 pm

Hi everyone...

A very short session on Monday after a late lunch, allowing me to get out shortly after 1pm local time. The views at the eyepiece were pretty barren, and only a few small proms popped in with he longer exposures of the limb. Below is a disk/limb composite through the LS80T/DSII/B1200Ha solar scope:
Full-Ha.jpg
Full-Ha.jpg (691.04 KiB) Viewed 596 times
This might be the shortest session and post, but you can only work with what is offered :lol:

Take care,
Brian
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Re: September 9th Ha

Post by MAURITS » Tue Sep 10, 2019 6:12 pm

A very nice image Brian.
Regards,
Maurits

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Re: September 9th Ha

Post by marktownley » Tue Sep 10, 2019 7:51 pm

Nice disk Brian!
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Re: September 9th Ha

Post by DeepSolar64 » Wed Sep 11, 2019 4:36 am

Nice branching detail on the proms!
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Re: September 9th Ha

Post by eroel » Wed Sep 11, 2019 3:34 pm

Brian, a very nice clean and crisp image.
Regards,
Eric.

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Re: September 9th Ha

Post by MalVeauX » Wed Sep 11, 2019 5:15 pm

Nice disc Brian!

Very best,

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Re: September 9th Ha

Post by MapleRidge » Thu Sep 12, 2019 12:56 am

My thanks goes out to everyone for your comments and feedback...always appreciated :bow

Brian
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Re: September 9th Ha

Post by Carbon60 » Thu Sep 12, 2019 9:14 am

Nice FD, Brian.

This is one of my favourite formats.... Ha disk with inverted proms.

Stu.
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Re: September 9th Ha

Post by MapleRidge » Sat Sep 14, 2019 1:19 am

Thanks Stuart!!!

Brian
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Re: September 9th Ha

Post by Astrophil » Sat Sep 14, 2019 1:54 am

Nice detail on the disk and exceptionally fine proms. Great FD Brian.

Phil

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Re: September 9th Ha

Post by MapleRidge » Sat Sep 14, 2019 3:38 pm

Thanks Phil...

If not for the proms I could have posted a billiard ball with more details :lol:

Brian
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Re: September 9th Ha

Post by Montana » Mon Sep 16, 2019 11:38 am

A lovely full disc Brian, the Sun has some lovely hairy bits at least :bow

Alexandra

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