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Star Catcher
20-10-2017, 08:29 AM
Hi All

I've been away a few months on holidays and yesterday was my first opportunity to get back into the swing of things. Got the gear out and spotted a lovely large prominence which I thought I would share here. What a welcome back!

Taken with my ES127mm refractor and Quark Prominence version.

Ted

Imme
20-10-2017, 08:37 AM
I'm not a solar person at all but would love to know what the relative size of this flare is. How far out from the surface of the sun would that reach?????

GUS.K
20-10-2017, 08:44 AM
That's a fantastic shot Ted, amazing detail in that prom.
Ivan.

h0ughy
20-10-2017, 10:28 AM
Awesome

What fantastic results. So the quark delivers the goods again

Star Catcher
20-10-2017, 11:48 AM
The field of view across this frame is about 400,000 kilometres. So the width of the prom is about 180,000 kms across and about 55,000 kms high. The diameter of the Earth is 12,742 kms. So that works out to about 4 earths in height and 14 earth's in width across the prom..

Ted

Star Catcher
20-10-2017, 11:50 AM
Thank you, yes they are great when you get a good one. :)
Ted



Thanks Ivan, I was pleased with the result!
Ted

Imme
20-10-2017, 12:05 PM
Thanks Ted....sure does put it in perspective!!!!

Significant to say the least!

Merlin66
20-10-2017, 12:10 PM
David,
Ted said he was using the Prominence version of the Quark, not the more common Chromosphere version.
The prom version has a slightly wider bandwidth.

Camelopardalis
20-10-2017, 03:12 PM
What a ripper Ted :thumbsup: welcome back indeed!

multiweb
20-10-2017, 03:40 PM
That looks interesting. Although expensive still makes sense considering you could use that on different scopes and given the price of dedicated solar scope with aperture it's a very good alternative. What do you mean by "when you get a good one". QC problems with the supplier?

Terrific picture btw. :thumbsup:

Peter Ward
20-10-2017, 04:29 PM
That's exceptional Ted...there are very few solar prom images out there
at that standard. Nice one. :thumbsup::thumbsup::thumbsup:

John W
20-10-2017, 04:42 PM
Nice capture Peter. I viewed this myself and measured the height of the prom at 75,675 km with length 227,000 km. Quite a big one. Will be interesting to see how long it lasts. Atmosphere was too rough/windy for me to image. Thanks, JW.

Star Catcher
20-10-2017, 07:15 PM
Thanks Peter, as you know, always some luck in getting enough steady moments to attain a high s/n that handles the processing



Thanks, if you have a read of people's experiences on the net you'll find good and bad copies of Quarks. Some with exceptional band pass and others not so special. You do need to raise flags with the manufacturer if you think it is outside specs.


Thanks Dunk



Thanks John, I might have got the maths wrong on the scale, it's bigger again :)

multiweb
21-10-2017, 08:23 AM
Thanks for the info. Will look into it. :thumbsup: