I started the first scans at around 8:30am, about the time which gives the best resolution where I am. The seeing was good and there was very little wind. The following was taken with my 106mm aperture triplet APO. Exposure 2.5ms, gain zero, 342 fps, ROI 3304x120. Stack of the best 20 out of 25 scans. ZWO 183MM camera, FireCapture, AS!3, ImPPG, Photoshop Elements. Open images in a new tab to see at full resolution.
Very nice resolution H-alpha SHG full disk image -- 4 June
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Re: Very nice resolution H-alpha SHG full disk image -- 4 June
Hi,
Stunning result
Stunning result
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: Very nice resolution H-alpha SHG full disk image -- 4 June
Superb image Douglas.
Alun
Alun
Lunt 50THa solar scope
Lunt CaK B12 module
SW Evostar 72ED for full disk imaging
Sol'Ex SHG
80mm f/7 achromat used with pressure tune module off the Lunt with Lunt 100mm ERF
Bresser 90 f/10 achromat used for CaK & white light imaging & PST mod with Lunt 100mm ERF
Coronado SM40 (pre Meade) and BF10 filter set + SMII 60 richview DS etalon
Skywatcher EQ6 Pro and Ioptron CEM60
Then there is all the night kit which is far too long a list to write up here!
More images on view on my Flickr page...https://www.flickr.com/photos/alun_h/
Lunt CaK B12 module
SW Evostar 72ED for full disk imaging
Sol'Ex SHG
80mm f/7 achromat used with pressure tune module off the Lunt with Lunt 100mm ERF
Bresser 90 f/10 achromat used for CaK & white light imaging & PST mod with Lunt 100mm ERF
Coronado SM40 (pre Meade) and BF10 filter set + SMII 60 richview DS etalon
Skywatcher EQ6 Pro and Ioptron CEM60
Then there is all the night kit which is far too long a list to write up here!
More images on view on my Flickr page...https://www.flickr.com/photos/alun_h/
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Re: Very nice resolution H-alpha SHG full disk image -- 4 June
I could tell right as I started imaging that the H-alpha would be very good. The spectral line was full of fine details that were stable on the timescale of a minute or so. Here's a screenshot of how the H-alpha spectral line looked (it's only around half the line in order to show the details better). Click on the image to see at high resolution.
- rsfoto
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Re: Very nice resolution H-alpha SHG full disk image -- 4 June
Hi,thesmiths wrote: ↑Mon Jun 05, 2023 6:08 pm I could tell right as I started imaging that the H-alpha would be very good. The spectral line was full of fine details that were stable on the timescale of a minute or so. Here's a screenshot of how the H-alpha spectral line looked (it's only around half the line in order to show the details better). Click on the image to see at high resolution.
040623 084234 Ha.JPG
Thanks for that image so one knows better how to expose ...
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°