Dear friends,
I've finally managed to process the continuum image from last Tuesday (July 19th).
The images was obtained using a Celestron 9.25" SC XLT with a full-size photographic solar filter. I actually made a sequence of recordings in an attempt to make a continuum timelapse, but the seeing was just not stable/good enough for this and I just ended up processing a few selected still images.
I tried imaging at both the native focallength of 2350mm and with a Coronado CeMax 2x barlow which should give 1.83x and ~4300mm at the attached position. The first resulting in a slight undersampling with the Player One Mars-M and the latter a slight oversampling. I have to find a good solution to bring the fl somewhere in the range of 2500-3800mm.
Anyhow, below are the results under mediocre seeing.
Click on images to view them in full size on AstroBin.
Continuum using a Celestron 9.25" SC XLT, Kendrick Photographic Solar Filter with Solar Finder ND3.8, Baader CCD Green filter (500-575nm) and Player One Mars-M mounted on a Sky-Watcher AZ-EQ6-PRO
Continuum using a Celestron 9.25" SC XLT, Kendrick Photographic Solar Filter with Solar Finder ND3.8, Coronado Cemax 2x Barlow 1.25", Baader CCD Green filter (500-575nm) and Player One Mars-M mounted on a Sky-Watcher AZ-EQ6-PRO.
Best regards,
Arne
Sun in Continuum 19th of July 2022
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Re: Sun in Continuum 19th of July 2022
Pretty good mediocre seeing to see the cells so well, nice job!
Warren
Lunt LS60T DS
Orion ED80T CF
Meade ETX LS6
Lunt CaK BF1200
Lunt WL Wedge
Baader Photographic Film
ASI174MM
Skyris 236M
Player One Saturn-M SQR
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Lunt LS60T DS
Orion ED80T CF
Meade ETX LS6
Lunt CaK BF1200
Lunt WL Wedge
Baader Photographic Film
ASI174MM
Skyris 236M
Player One Saturn-M SQR
https://www.astrobin.com/users/rigel123/
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Re: Sun in Continuum 19th of July 2022
Great set of images, Arne. Great resolution of the granular pattern.
Jordan -
SkyWatcher ED100 Refractor with Diamond Steeltrack Crawford Focuser
Celestron CG4 Equatorial Mount
Daystar Quark H-Alpha Chromosphere
Lunt CaK B1800 Filter Module
Lunt White Light Solar Wedge
ZWO ASI174MM, ZWOASI1600MM Cameras
SkyWatcher ED100 Refractor with Diamond Steeltrack Crawford Focuser
Celestron CG4 Equatorial Mount
Daystar Quark H-Alpha Chromosphere
Lunt CaK B1800 Filter Module
Lunt White Light Solar Wedge
ZWO ASI174MM, ZWOASI1600MM Cameras
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Re: Sun in Continuum 19th of July 2022
Promising results, thanks Arne.
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: Sun in Continuum 19th of July 2022
Very nice, Arne. Lots of lovely details in those penumbra.
Stu.
Stu.
H-alpha, WL and Ca II K imaging kit for various image scales.
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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: Sun in Continuum 19th of July 2022
Thank you very much Warren, Jordan, Alexandra, Maurits, Mark and Stu!
The poor seeing made it really challenging to focus, but taking a lot of recordings a few of them came out ok. Hoping for better seeing next time around.
Best regards,
Arne
The poor seeing made it really challenging to focus, but taking a lot of recordings a few of them came out ok. Hoping for better seeing next time around.
Best regards,
Arne
Re: Sun in Continuum 19th of July 2022
This event was great. I am convinced that this is one of the most important events when it comes to the activity of the sun in the last style.
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