Sunday Sun 25th March

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Carbon60
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Sunday Sun 25th March

Post by Carbon60 » Sun Mar 25, 2018 5:18 pm

A bit of afternoon sun between the clouds for my first proper session of the season. Tried out my refurbished 150mm/DS Lunt 35 combo with cleaned optics and a new collimating lens ahead of the Lunt, this time plano concave vs biconcave. After a bit of a scare, thinking everything had gone pear-shaped during the refurb with flaring and half the image way too bright, a bit of tweaking and re-seating the refocusing lens in the Lunt gave the results I was hoping for.

I also managed a CaK FD (two pane mosaic) on my 72mm F6 refractor fitted with a Lunt B600 module.

All images captured using a Basler acA1920-155um and processed using AS!3/IMPPG/PixInsight.

First up, CaK FDs:

Image20180325_CaK_Mono by Stuart Green, on Flickr

Image20180325_CaK_Colour by Stuart Green, on Flickr

Very little activity to be seen with almost no plage.

Then over to the red and some close views of the lovely proms in Ha:

Image20180325_Ha_proms by Stuart Green, on Flickr

Image20180325_Ha_proms_Colour by Stuart Green, on Flickr

After the long winter months I really felt out of practice.

Thanks for looking.

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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rsfoto
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Re: Sunday Sun 25th March

Post by rsfoto » Sun Mar 25, 2018 5:37 pm

Very good images. With my setup I am not able to get that much close up ...
regards Rainer

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marktownley
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Re: Sunday Sun 25th March

Post by marktownley » Sun Mar 25, 2018 8:23 pm

Glad you got some images in Stu. They look good. Hope all things decorating are back to normal.
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ffellah
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Re: Sunday Sun 25th March

Post by ffellah » Sun Mar 25, 2018 10:58 pm

A lovely set, Stu ! I particularly like the color CalK. Glad you were out with the scope, yesterday was also my first time this year.

Franco

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eroel
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Re: Sunday Sun 25th March

Post by eroel » Mon Mar 26, 2018 12:30 am

Stu:
Beautiful images.
Best regards,
Eric.

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Re: Sunday Sun 25th March

Post by marktownley » Mon Mar 26, 2018 5:31 am

Forgot to ask Stu, how do you find the difference in the 2 collimating lenses, or too early to say?
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Carbon60
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Re: Sunday Sun 25th March

Post by Carbon60 » Mon Mar 26, 2018 6:01 am

Many thanks, guys.

Mark, my first impression is that the plano concave lens is giving marginally better performance over a wider field of view (i.e. without the 2.5x Televue). I don't think it is all that noticeable with the Televue in place. As you suggest, it's early days. Thankfully the scope is all up and working after the rebuild :)

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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robert
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Re: Sunday Sun 25th March

Post by robert » Mon Mar 26, 2018 7:36 am

Very nice indeed
Robert
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Montana
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Re: Sunday Sun 25th March

Post by Montana » Mon Mar 26, 2018 6:30 pm

Wow! these are really good and sharp Stu :bow :hamster: I would have loved to get the C11 out on Sunday as it looked really calm skies, too bad it is still in pieces. Are you having any problems with Flickr? I notice both you and Mark have uploaded pics OK. It won't accept any of my pictures, it is really frustrating as I would love to post my Sunday haul. I have just paid a 2 year subscription aswell and now it doesn't like any of my images and won't let me post :(
Alexandra

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Carbon60
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Re: Sunday Sun 25th March

Post by Carbon60 » Mon Mar 26, 2018 8:20 pm

Montana wrote:
Mon Mar 26, 2018 6:30 pm
Wow! these are really good and sharp Stu :bow :hamster: I would have loved to get the C11 out on Sunday as it looked really calm skies, too bad it is still in pieces. Are you having any problems with Flickr? I notice both you and Mark have uploaded pics OK. It won't accept any of my pictures, it is really frustrating as I would love to post my Sunday haul. I have just paid a 2 year subscription aswell and now it doesn't like any of my images and won't let me post :(
Alexandra
Hi Alexandra,

Thanks for your comments. Regarding Flickr, funny but I had all sorts of problems as well uploading my images. The upload kept hanging up and I had to start over again five or six times over a 30 minute period before I got anywhere. Let's hope things improve.

Hopefully your new bolts will arrive soon so that you can assemble the C11.

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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Carbon60
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Re: Sunday Sun 25th March

Post by Carbon60 » Mon Mar 26, 2018 8:20 pm

robert wrote:
Mon Mar 26, 2018 7:36 am
Very nice indeed
Robert
Many thanks, Robert.

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/

Derek Klepp
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Re: Sunday Sun 25th March

Post by Derek Klepp » Tue Mar 27, 2018 12:10 am

Stu the Ha looks almost 3D.

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Carbon60
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Re: Sunday Sun 25th March

Post by Carbon60 » Thu Mar 29, 2018 7:48 am

Thanks Derek.

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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