Full Disc 15 January 2020

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rsfoto
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Full Disc 15 January 2020

Post by rsfoto » Wed Jan 15, 2020 10:24 pm

Hi,

High and thin clouds infront of the Sun but enough light so I thought to give it a try it and below the result. Sorry for the bad quality :oops:

If yout ake a look at the SDO magnetogram image you can see in the northern hemisphere a cycle 24 and a cycle 25 spot. The most left one is cycle 25 :shock:

Mosaico_20200115_9Q_RE.jpg
Mosaico_20200115_9Q_RE.jpg (1.07 MiB) Viewed 4099 times

and below is how the Sun looked through the clouds.

Sun_Clouds_20200115.jpg
Sun_Clouds_20200115.jpg (253.23 KiB) Viewed 4099 times


regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

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eroel
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Re: Full Disc 15 January 2020

Post by eroel » Wed Jan 15, 2020 10:42 pm

Rainer:
Nice result in spite of conditions, at home I had about the same problem (thin high clouds).
Fuerte abrazo,
Eric.



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Re: Full Disc 15 January 2020

Post by ffellah » Thu Jan 16, 2020 1:14 am

Hi Rainer: very nice results in spite of the thin clouds. Are you still using the Daystar filter? If you are, which one ?

Franco :bow



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Re: Full Disc 15 January 2020

Post by JochenM » Thu Jan 16, 2020 5:43 am

Good job managing to get that image (I think it's still good) in those type of conditions.


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Re: Full Disc 15 January 2020

Post by marktownley » Thu Jan 16, 2020 5:48 am

Excellent image, especially given those hazy skies, i'm hoping the weather allows me to get the solar scope out this weekend at some point.


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Re: Full Disc 15 January 2020

Post by Montana » Thu Jan 16, 2020 12:07 pm

Franco, somehow I don't think a full disc that superb came from a Daystar filter (sorry, am I allowed to say that?).

Rainer, another wonderful disc, you are very lucky to have that filter set :bow
Alexandra



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Re: Full Disc 15 January 2020

Post by rsfoto » Thu Jan 16, 2020 3:49 pm

ffellah wrote:
Thu Jan 16, 2020 1:14 am
Hi Rainer: very nice results in spite of the thin clouds. Are you still using the Daystar filter? If you are, which one ?

Franco :bow
Hi Franco,

Sorry no. Both DayStar filters I bought in April 2018 has gone back to DayStar as both were blind. Everytime I read the word DayStar I get angry :lol:

That purchase was a total failure and even worse the way DayStar handled the complain. Weeks and weeks with no answers ...

DayStar is dead for me for all times ...

I have now only a very double stacked Coronado SM 60 with BF 30 ...

Rainer


regards Rainer

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Re: Full Disc 15 January 2020

Post by ffellah » Thu Jan 16, 2020 7:06 pm

Rainer: you are a magician ! You certainly are doing a magnificent job of full disks with the SM 60 double stacked. I wish I could do the same with my SM90 DS. The 90 is traditionally not easy to put in band due to the length of the scope: you need orangutan arms to tune the external etalon while you look into the eyepiece. Once it is band, though, the results are excellent.

Franco



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Re: Full Disc 15 January 2020

Post by rsfoto » Thu Jan 16, 2020 7:32 pm

ffellah wrote:
Thu Jan 16, 2020 7:06 pm
Rainer: you are a magician ! You certainly are doing a magnificent job of full disks with the SM 60 double stacked. I wish I could do the same with my SM90 DS. The 90 is traditionally not easy to put in band due to the length of the scope: you need orangutan arms to tune the external etalon while you look into the eyepiece. Once it is band, though, the results are excellent.

Franco
Hi Franco,

I am no magician. I have the advantage of being able to adjust very fine the etalons remotely while looking on my monitor. I made that 7 seven years ago.

Look here viewtopic.php?f=9&t=26907&p=243127&hili ... er#p243127


Below the drawings of the parts you need to machine. OK, then you need a 10mm stepper motor with high reduction gears, a bellow couples, a screw which changes the angle, and a stepper motor driver and a little piece of software to move the stepper motor step by step ...

CORO_1.JPG
CORO_1.JPG (118.54 KiB) Viewed 4040 times

Rainer


regards Rainer

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Re: Full Disc 15 January 2020

Post by salvo lauricella » Sat Jan 18, 2020 11:31 am

Excellent image!



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Re: Full Disc 15 January 2020

Post by MapleRidge » Sat Jan 18, 2020 1:28 pm

Hi Rainer...

You have certainly mastered the full disk mosaics with that scope. Superb image despite the cloud :bow

Brian


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