Second Rotation for Active Region - AR12713 - 15th July
- marktownley
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Second Rotation for Active Region - AR12713 - 15th July
Currently spotless and un-named as an active region, this bipolar patch of plage on the suns disk is the remains of active region which was heading towards the western limb of the sun on the 21st June. Then it had a number of sunspots and dark filaments associated with it, whereas now it is much quieter and calmer. It may well see a third rotation, but by then is likely nothing but a small patch of plage visible in Calcium wavelengths. Taken with a Lunt50 etalon, Daystar Quark and an IMX249 chipped PGR camera.
unnanmed-active-region-bw by Mark Townley, on Flickr
unnanmed-active-region-colour by Mark Townley, on Flickr
Mark
unnanmed-active-region-bw by Mark Townley, on Flickr
unnanmed-active-region-colour by Mark Townley, on Flickr
Mark
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Re: Second Rotation for Active Region - AR12713 - 15th July
Thank you Mark. Very nice images!
Marios
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Re: Second Rotation for Active Region - AR12713 - 15th July
Mark:
Thanks for sharing your work.
Best wishes,
Eric.
Thanks for sharing your work.
Best wishes,
Eric.
- marktownley
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Re: Second Rotation for Active Region - AR12713 - 15th July
Thanks guys!
And the full disk, a mosaic. Lots of little white fluffy clouds floating around meant while seeing had some ups and downs I had to be quick to get the data needed.
Ha-Full-Disk-DS-bw by Mark Townley, on Flickr
Ha-Full-Disk-DS-colour by Mark Townley, on Flickr
Mark
And the full disk, a mosaic. Lots of little white fluffy clouds floating around meant while seeing had some ups and downs I had to be quick to get the data needed.
Ha-Full-Disk-DS-bw by Mark Townley, on Flickr
Ha-Full-Disk-DS-colour by Mark Townley, on Flickr
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Re: Second Rotation for Active Region - AR12713 - 15th July
marktownley wrote: ↑Sun Jul 15, 2018 1:23 pm Currently spotless and un-named as an active region, this bipolar patch of plage on the suns disk is the remains of active region which was heading towards the western limb of the sun on the 21st June. Then it had a number of sunspots and dark filaments associated with it, whereas now it is much quieter and calmer. It may well see a third rotation, but by then is likely nothing but a small patch of plage visible in Calcium wavelengths. Taken with a Lunt50 etalon, Daystar Quark and an IMX249 chipped PGR camera.
Mark
Mark,
Today I have imaged one or two small spots in this group. I will try to process the movies and put the final images here. I definitely saw it (them) on the screen. With unheated etalon and may be with some starting heating.
Valery
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Re: Second Rotation for Active Region - AR12713 - 15th July
Nice images, Mark. It's a nice persistent patch.
Stu.
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Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
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Re: Second Rotation for Active Region - AR12713 - 15th July
Superb full disk images Mark...well done
I was wondering which AR this region was in the previous rotation.
Brian
I was wondering which AR this region was in the previous rotation.
Brian
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Maple Ridge Observatory
Cambray, ON Canada
Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
- marktownley
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Re: Second Rotation for Active Region - AR12713 - 15th July
Thanks everyone! looks like the field strength popped above 1500 Gauss Valery.
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Re: Second Rotation for Active Region - AR12713 - 15th July
Hi Mark - the pics came out really well - we still have some things to see - it reminds me of when I got into Solar in 2007.
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Re: Second Rotation for Active Region - AR12713 - 15th July
Here is the photo in the red continuum (far blue wing of the H-a) with 0,5A bandwidth. The seeing was poor. So, details are poorly seen.marktownley wrote: ↑Mon Jul 16, 2018 5:00 am Thanks everyone! looks like the field strength popped above 1500 Gauss Valery.
Valery
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"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.
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Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
- marktownley
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Re: Second Rotation for Active Region - AR12713 - 15th July
Looks dotty to me! Thanks Valery!
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Re: Second Rotation for Active Region - AR12713 - 15th July
Great imaging guys just shows the old dog ain't dead yet
Alexandra
Alexandra