17092017-AR2680 and western limb
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17092017-AR2680 and western limb
This time I did take a flat so did not have to work very hard to remove the gradients. Unfortunately no time to compare the double stack with the singe stack.
Bresser 127 with two PST etalons etc.
AR2680
170917_10h14m_Br127_DS_PM2,5x_AR2680_PS by bart moors, on Flickr
AR2680 inverted and coloured
170917_10h14m_Br127_DS_PM2,5x_AR2680_PS_Inverted by bart moors, on Flickr
And a coloured version of the western limb
170917_10h23m_Br127_DS_PM2,5x_westernlimb_PSinverted by bart moors, on Flickr
Thanks for watching! Bart.
Bresser 127 with two PST etalons etc.
AR2680
170917_10h14m_Br127_DS_PM2,5x_AR2680_PS by bart moors, on Flickr
AR2680 inverted and coloured
170917_10h14m_Br127_DS_PM2,5x_AR2680_PS_Inverted by bart moors, on Flickr
And a coloured version of the western limb
170917_10h23m_Br127_DS_PM2,5x_westernlimb_PSinverted by bart moors, on Flickr
Thanks for watching! Bart.
Last edited by bart1805 on Sun Sep 17, 2017 3:55 pm, edited 1 time in total.
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Re: 17092017-AR2680 and western limb
Great images
regards Rainer
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
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Re: 17092017-AR2680 and western limb
You're getting nice results with that Bresser!
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: 17092017-AR2680 and western limb
Bart,
Just re-visiting the PST DS thread.....
Any updates on your set-up???
Just re-visiting the PST DS thread.....
Any updates on your set-up???
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
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Re: 17092017-AR2680 and western limb
Hi Merlin,
A few, but not so much doublestack H-alpha related....
Just bought a CEM60 with a tripod pier. Much easier to transport into the garden than the HEQ5 on the pillar mount.
The doublestack CaK filter is ready, telescope is ready to begin testing. Although the sun is quite low now, this weekend looks promising.
Still struggling with the 150mm f8 Skywatcher. Changed the focuser, that seems to be an improvement. Doublestack seemed to work better with the 127mm Bresser, so I am looking forward to more testing this spring.
CS! Bart.
A few, but not so much doublestack H-alpha related....
Just bought a CEM60 with a tripod pier. Much easier to transport into the garden than the HEQ5 on the pillar mount.
The doublestack CaK filter is ready, telescope is ready to begin testing. Although the sun is quite low now, this weekend looks promising.
Still struggling with the 150mm f8 Skywatcher. Changed the focuser, that seems to be an improvement. Doublestack seemed to work better with the 127mm Bresser, so I am looking forward to more testing this spring.
CS! Bart.
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Re: 17092017-AR2680 and western limb
Lovely historical shots, Bart.
Stu
Stu
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: 17092017-AR2680 and western limb
Thanks guys and thanks Ken for reviving this thread. Which, by the way, is also a bit painful. This session was one of the few successful sessions with two stacked PST etalons. I switched to the Skywatcher 150mm and gained 2,3 cm but never had the succes as with the Bresser. Will try it again this spring and then decide to maybe go back to the Bresser. CS! Bart.
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Re: 17092017-AR2680 and western limb
Bart,
I said back in 2009, that the PST DS was a pain in the butt to tune, so much so I gave up.....
Following your success and finding more rusty pins to stick in my eye (!!) I'm going to revisit this option.
Certainly an interesting option.....
I said back in 2009, that the PST DS was a pain in the butt to tune, so much so I gave up.....
Following your success and finding more rusty pins to stick in my eye (!!) I'm going to revisit this option.
Certainly an interesting option.....
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer