Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
- arnedanielsen
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Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Dear friends,
Another nice sunny lunch with lots of interesting solar activity.
Click on images to view them in full size on AstroBin.
FD image in H-Alpha using a Coronado 60mm/BF15 w/Beloptik ITF, stopped down to 50mm, Baader 35nm H-Alpha and ASI 178mm mounted on a SkyWatcher SolarQuest.
FD image in CaK using a FLO StellaMira 80mm ED f/10, stopped down to 60mm, Lunt CaK 1200 module and ASI 183mm camera mounted on a SkyWatcher SolarQuest.
FD image in Continuum using a FLO StellaMira 80mm ED f/10, Baader Cool-Ceramic Safety Herschel Prism Photographic 2", Baader ND OD 1.8, Baader 2" Continuum, Baader 2" UV/IR Cut and ASI 183mm camera mounted on a SkyWatcher SolarQuest.
Best regards,
Arne
Another nice sunny lunch with lots of interesting solar activity.
Click on images to view them in full size on AstroBin.
FD image in H-Alpha using a Coronado 60mm/BF15 w/Beloptik ITF, stopped down to 50mm, Baader 35nm H-Alpha and ASI 178mm mounted on a SkyWatcher SolarQuest.
FD image in CaK using a FLO StellaMira 80mm ED f/10, stopped down to 60mm, Lunt CaK 1200 module and ASI 183mm camera mounted on a SkyWatcher SolarQuest.
FD image in Continuum using a FLO StellaMira 80mm ED f/10, Baader Cool-Ceramic Safety Herschel Prism Photographic 2", Baader ND OD 1.8, Baader 2" Continuum, Baader 2" UV/IR Cut and ASI 183mm camera mounted on a SkyWatcher SolarQuest.
Best regards,
Arne
- marktownley
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Lovely disks as always Arne, I was hoping to do the same today after work but it went cloudy. Maybe tomorrow morning instead I hope!
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- arnedanielsen
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Thanks, Mark!
Wish you luck on tomorrows weather.
This my last chance for imaging the Sun for a few days. Heading for Sweden tomorrow to do a bike-ride around lake Vättern (a 300km bike-ride called Vätternrundan).
Best regards,
Arne
Wish you luck on tomorrows weather.
This my last chance for imaging the Sun for a few days. Heading for Sweden tomorrow to do a bike-ride around lake Vättern (a 300km bike-ride called Vätternrundan).
Best regards,
Arne
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Best wishes for the bike ride Arne! Post some pics of things you see on your journey, will be fun to see!
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
these are really great!
Stephen W. Ramsden
Atlanta, GA USA
Founder/Director Charlie Bates Solar Astronomy Project
http://www.solarastronomy.org
Atlanta, GA USA
Founder/Director Charlie Bates Solar Astronomy Project
http://www.solarastronomy.org
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Nice work Arne! Have fun in Sweden!
Nick
---------------------------------------------------------------
Photosphere Junkie!
Borg 77 EDII f.6.6 (510mm), APM Herschel Wedge (Baader ND1.8)
Lunt 40mm SS FTF
ZWO ASI183MM, SW SolarQuest Mount
Baader Solar Continuum 540.0nm (FWHM 7.5) / Altair G-Band 430.3nm (FWHM 2nm) / Antlia K-Line 393.3nm (FWHM 3nm)
---------------------------------------------------------------
Photosphere Junkie!
Borg 77 EDII f.6.6 (510mm), APM Herschel Wedge (Baader ND1.8)
Lunt 40mm SS FTF
ZWO ASI183MM, SW SolarQuest Mount
Baader Solar Continuum 540.0nm (FWHM 7.5) / Altair G-Band 430.3nm (FWHM 2nm) / Antlia K-Line 393.3nm (FWHM 3nm)
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Nice set of disks as always, Arne.
Have a nice trip
Have a nice trip
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Great shots, enjoy your ride!
Warren
Lunt LS60T DS
Orion ED80T CF
Meade ETX LS6
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ASI174MM
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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
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
A truly great set, Arne. Thank you for posting it.
Franco
Franco
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Arne,
A quick question: Why do you use a UV/IR filter since the Solar Continuum (at least the "newer" versions of it) blocks UV and IR? Any other benefits from additional filtering?
A quick question: Why do you use a UV/IR filter since the Solar Continuum (at least the "newer" versions of it) blocks UV and IR? Any other benefits from additional filtering?
Nick
---------------------------------------------------------------
Photosphere Junkie!
Borg 77 EDII f.6.6 (510mm), APM Herschel Wedge (Baader ND1.8)
Lunt 40mm SS FTF
ZWO ASI183MM, SW SolarQuest Mount
Baader Solar Continuum 540.0nm (FWHM 7.5) / Altair G-Band 430.3nm (FWHM 2nm) / Antlia K-Line 393.3nm (FWHM 3nm)
---------------------------------------------------------------
Photosphere Junkie!
Borg 77 EDII f.6.6 (510mm), APM Herschel Wedge (Baader ND1.8)
Lunt 40mm SS FTF
ZWO ASI183MM, SW SolarQuest Mount
Baader Solar Continuum 540.0nm (FWHM 7.5) / Altair G-Band 430.3nm (FWHM 2nm) / Antlia K-Line 393.3nm (FWHM 3nm)
- nicspenceryork
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
I was telling my friend about your images Arne and that even when you really zoom in there's still a lot of detail. Often details are lost with a zoom in. Is that the scope, camera, SER bit or a combination do you think?
Nic
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Nice lot of detail Arne - well done. Regards John W.
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Was also wondering of the need for a UV/IR filter in combination with continuum. My Baader continuum is marked #2458390. Anyone know if this ID# identifies the new improved filter with less UV/IR leakage. I bought it last December, but who knows how long it sat on a shelf.
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
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Lunt White Light Solar Wedge
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Excellent FDs, Arne. Nice work.
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: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Arne, really interesting images, thanks. Hope you have a great bike trip. I used to do similar things with the best a cycle trip to Iceland many years ago, highly recommended.
Gordon
Gordon
Lunt 152 DSII Ha scope, Orion Optics 12" ODK, C9.25
Skywatcher EQ8 x 2
Lunt 1 1/4" Herschel Wedge, 2x,3x Barlow, 5x Powermate, Baader Ca filter and solar film.
https://www.flickr.com/photos/74614447@N02/
Skywatcher EQ8 x 2
Lunt 1 1/4" Herschel Wedge, 2x,3x Barlow, 5x Powermate, Baader Ca filter and solar film.
https://www.flickr.com/photos/74614447@N02/
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Great FD images there Arne. Congrats on SPOD
Pedro Re'
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Congratulations on the well deserved SPOD Arne !
Franco
Franco
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Re: Sun FD in H-Alpha, CaK and Continuum 16th of June 2022
Thank you very much Mark, Stephen, Jochen, Alexandra, Warren, Franco, Nick, Nic, John, Jordan, Stu, Gordon, Pedro and Franco for all your kind comments and best luck wishes!
The bike-ride went well although I don’t think I have been so cold ever before. Not that the temperatures were that cold, but when we dress for a minimum temp of around 15 degrees and a couple of hours of light rain and instead get 9 degrees and heavy rain for 6-7 hours that becomes a problem. We where seriously struggling with being so cold and were proud and super happy that we managed to overcome the challenge and cross the finish-line with the whole group of 11 friends that started together. Certainly, a bike ride we will never forget.
Gordon: Iceland has a fantastic nature, and I can just image how nice it must have been to do a bike trip there!
Nic: As Mark answered in another post, I think the answer is down to critical sampling and that the images here on the forum are scaled down and when you click you the images and view them on AstroBin you see them in full resolution - as recorded. Also, the images size, especially for the CaK and Continuum which are done with the IMX183, are quite generous. Which gives the whole disc with a moderately high resolution.
Nick and Jordan: Good question about the UV/IR. When I tested this quite some years back, I definitely got better contrast (sharper images) with the UV/IR present. I do however own several different Continuum filters (including one that I got with the Baader Herschel Wedge I bought just a few weeks back). I should probably do a new test to see if it is actually required or if I’m introducing an extra filter for no purpose.
Thanks for the SPOD honor!
Best regards,
Arne
The bike-ride went well although I don’t think I have been so cold ever before. Not that the temperatures were that cold, but when we dress for a minimum temp of around 15 degrees and a couple of hours of light rain and instead get 9 degrees and heavy rain for 6-7 hours that becomes a problem. We where seriously struggling with being so cold and were proud and super happy that we managed to overcome the challenge and cross the finish-line with the whole group of 11 friends that started together. Certainly, a bike ride we will never forget.
Gordon: Iceland has a fantastic nature, and I can just image how nice it must have been to do a bike trip there!
Nic: As Mark answered in another post, I think the answer is down to critical sampling and that the images here on the forum are scaled down and when you click you the images and view them on AstroBin you see them in full resolution - as recorded. Also, the images size, especially for the CaK and Continuum which are done with the IMX183, are quite generous. Which gives the whole disc with a moderately high resolution.
Nick and Jordan: Good question about the UV/IR. When I tested this quite some years back, I definitely got better contrast (sharper images) with the UV/IR present. I do however own several different Continuum filters (including one that I got with the Baader Herschel Wedge I bought just a few weeks back). I should probably do a new test to see if it is actually required or if I’m introducing an extra filter for no purpose.
Thanks for the SPOD honor!
Best regards,
Arne