Heya,
Woke up to a clear sky, but even more dreadful seeing than yesterday! I suppose all these cyclones off the coast are throwing turbulent air my way. I really can't wait for hurricane season to end and get back to my normal seeing. I can barely image at anything other than a medium scale (anything more than 2500mm falls apart fast, but even at 1680mm it is really turbulent today). Anyhow, a lovely prominence has further evolved and it's really interesting with a lot of structure and a big wispy tail. I bet it will make for a fantastic animation if anyone has decent seeing and the time!
Very best,
Magnificent Prominence, HA, Sept 21 2018
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Re: Magnificent Prominence, HA, Sept 21 2018
Later today, that large proms is mostly gone, it's large frame is there, but it's way less bright and lost a lot of it's pressence. Opposite side of the disc, the other smaller prom has gotten more active and more interesting. I took a stab at it in much better seeing, with a smaller scope, the 120mm refractor at 4200mm and seeing held up to the scale.
Very best,
Very best,
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Re: Magnificent Prominence, HA, Sept 21 2018
Very sharp pics Marty
Hope the weather improves and brings you better conditions to work in.
Brian
Hope the weather improves and brings you better conditions to work in.
Brian
Brian Colville
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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
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Re: Magnificent Prominence, HA, Sept 21 2018
Missed these, nice proms!
http://brierleyhillsolar.blogspot.co.uk/
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