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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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2 videos (solar activity 2016/2017)

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pedro
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2 videos (solar activity 2016/2017)

Post by pedro » Wed Nov 28, 2018 2:35 pm

2 videos (solar activity 2016/2017)


Pedro RE' | Solar Astrophotography (2017)
Full Disk WL, CaK, H-alpha images
TV 101 F/5.4, Baader 2" Ceramic Solar Wedge
LUNT 1200 CaK Module, Coronado SM40/SM60, BF30
PGR Grasshopper GS3-U3-28S4M-C
http://re.apaaweb.com


Pedro RE' | Solar Astrophotography (2016)
Full Disk WL, Ca-K, H-alpha images
TV 101 F/5.4, IKHARUS 80 F/7
PGR Grasshopper GS3-U3-28S5M-C
PGR Grasshopper GS3-U3-28S4M-C
http://re.apaaweb.com
Attachments
solar_imaging_session_20170801.jpg
solar_imaging_session_20170801.jpg (2.37 MiB) Viewed 831 times
solar_imaging_session_20170624-01.jpg
solar_imaging_session_20170624-01.jpg (2.31 MiB) Viewed 831 times
solar_imaging_session_20170414_mosaic-01.jpg
solar_imaging_session_20170414_mosaic-01.jpg (1.94 MiB) Viewed 831 times

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GUS
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Re: 2 videos (solar activity 2016/2017)

Post by GUS » Thu Nov 29, 2018 9:30 am

Thanks for sharing Pedro, some nice memories of the last few years.

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Montana
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Re: 2 videos (solar activity 2016/2017)

Post by Montana » Thu Nov 29, 2018 10:45 am

Another nice collection :hamster:

Alexandra


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eroel
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Re: 2 videos (solar activity 2016/2017)

Post by eroel » Fri Nov 30, 2018 2:25 pm

Pedro:
Thanks for sharing those years solar reviews.
Saludos,
Eric.


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Re: 2 videos (solar activity 2016/2017)

Post by marktownley » Sat Dec 01, 2018 2:56 am

You're getting into your movies Pedro!
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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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Re: 2 videos (solar activity 2016/2017)

Post by Carbon60 » Sat Dec 01, 2018 9:42 am

Nicely presented, Pedro. That’s a lot of scope and processing time condensed into a few minutes, which belies the amount of effort that goes into these things.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: 2 videos (solar activity 2016/2017)

Post by pedro » Sat Dec 01, 2018 11:26 am

Thanks again guys

I also wonder how I was able to get all those images (more than 100 different days each year)

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