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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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6th May, flare

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robert
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6th May, flare

Post by robert » Mon May 06, 2019 6:35 pm

Lucky session just at the end of some C1.5 flares this morning. AR2740
Robert

ED80 Lunt600
Image0506 06_May_19_092747_lapl4_ap531 by robertarnold, on Flickr

LS60DS during flare
Image0506 06_May_19_100021_lapl4_ap519 by robertarnold, on Flickr

LS60DS before flare
Image0506 06_May_19_095002_lapl4_ap517 by robertarnold, on Flickr
images and animations http://tinyurl.com/h5bgoso
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2019 images https://tinyurl.com/yd5vht7r
ED80. ED100. SW200. Celestron-150mm-PST mod. C9.25. ES127
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ffellah
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Re: 6th May, flare

Post by ffellah » Mon May 06, 2019 9:10 pm

Excellent disks and a very cool flare, Robert. I can't believe we now actually have two sizeable sunspots in sight at the same time !!

Franco

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Re: 6th May, flare

Post by bart1805 » Mon May 06, 2019 10:02 pm

Nice catch!

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MalVeauX
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Re: 6th May, flare

Post by MalVeauX » Tue May 07, 2019 2:59 am

Nice discs Robert!

Very best,

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banjo
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Re: 6th May, flare

Post by banjo » Tue May 07, 2019 5:55 am

:bow :bow :bow
Paul
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Re: 6th May, flare

Post by Montana » Tue May 07, 2019 9:04 am

Oooh! nice flare and images :bow Sadly I had rain all day yesterday so missed all the action.

Alexandra

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Re: 6th May, flare

Post by mattwastell » Tue May 07, 2019 9:37 am

Excellent! Great to see some white! We will take some C1.5 action! Sweet disc work!
Matt Wastell



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Re: 6th May, flare

Post by marktownley » Tue May 07, 2019 11:03 am

Top shots there Robert!
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http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

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