Wow, really great time lapse Brian. The colours are beautiful!MapleRidge wrote: ↑Sat Mar 25, 2023 2:03 am Hi all...
I processed 23 photos of the aurora taken between 2:54 and 3:00 UT…all 5 second exposures with the Canon 60Da/8mm, f3.5 lens. I had to re-size them quite a bit to get the animation down to a reasonable size to post.
I think I started to take photos near the middle of the peak display...I had a few before this started but moved the camera and they do not match up with the others. These were some of the test shots to figure out the exposure which makes them harder to add in.
The video is available on my Flickr account:
https://www.flickr.com/photos/185395281 ... ateposted/
Brian
March 24th Aurora
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Re: March 24th Aurora - Animation added
Clare & Peter
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Re: March 24th Aurora
A large coronal hole has moved across the Sun this week to the point that it is facing Earth.DeepSolar64 wrote: ↑Sat Mar 25, 2023 5:49 am What event on the Sun caused this solar storm? I know of no X-Class flare caused CME.
https://www.livescience.com/enormous-ho ... ras-friday
https://www.businessinsider.com/coronal ... rth-2023-3
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Re: March 24th Aurora
Mark and Clare & Peter...
Thanks for your comments on the image and animation
Stuart, thanks for pulling the additional data together too. It was a relatively short lived show form what I could tell visually...and my photos only covered 6 minutes of it (seemed much longer). The diffuse glow was active for at least a half hour before...maybe longer but I wasn't out looking.
I knew there was a coronal hole, but had no idea it was going to trigger an event like this and since there hadn't been a flare/CME I figured the coronal hole was the source (plus close to the equinox).
Brian
Thanks for your comments on the image and animation
Stuart, thanks for pulling the additional data together too. It was a relatively short lived show form what I could tell visually...and my photos only covered 6 minutes of it (seemed much longer). The diffuse glow was active for at least a half hour before...maybe longer but I wasn't out looking.
I knew there was a coronal hole, but had no idea it was going to trigger an event like this and since there hadn't been a flare/CME I figured the coronal hole was the source (plus close to the equinox).
Brian
Brian Colville
Maple Ridge Observatory
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Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
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iOptron CEM70G Mount carrying:
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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
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Maple Ridge Observatory
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Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
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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
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Re: March 24th Aurora
The solar wind from the coronal hole hadn’t arrived at the time of the event. It is due today (25th).
Stu.
Stu.
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Fluxgate Magnetometers (1s and 150s Cadence).
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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: March 24th Aurora
The coronal hole was certainly positioned right to get us on March 22. If the 24th event was not caused by the coronal hole then what caused it?
When I get a chance I'll have to research it.
When I get a chance I'll have to research it.
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Re: March 24th Aurora
I thought this hole had been active for many days, though closer to the SE limb than its current position.
Brian
Brian
Last edited by MapleRidge on Sat Mar 25, 2023 5:19 pm, edited 2 times in total.
Brian Colville
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
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
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Re: March 24th Aurora
That is fantastic ! The last aurora visible from northern italy (I am at 45 north) was in december 1989 close to the solar maximum. I was just a child at that time, but I remember many pictures of the red sky before dawn. Our latitude is too low to get the green ribbons, but it was definitely possible to observe tge red glow
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Re: March 24th Aurora
Hi James,DeepSolar64 wrote: ↑Sat Mar 25, 2023 3:45 pm The coronal hole was certainly positioned right to get us on March 22. If the 24th event was not caused by the coronal hole then what caused it?
When I get a chance I'll have to research it.
SDOAIA191_1K_3-22-23.JPG
SDOAIA193_1K_3-23-23.JPG
Possibly an unseen close encounter with a CME according to Spaceweather.com There’s quite a lot of uncertainty about this.
Stu.
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Fluxgate Magnetometers (1s and 150s Cadence).
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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: March 24th Aurora
Thanks Nic
Good displays that this one were long overdue
Brian
Good displays that this one were long overdue
Brian
Brian Colville
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
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