The is the tail end of an active quiescent filament/prominence that passed over the southwestern limb 15-17 May. A good deal of back streaming was visible over the two hours this series of H-alpha filtergrams represents.
Seeing was actually quite poor but with periodic brief moments of surprizingly smooth air. Good example of why not to crop down a scope just because the seeing does not look promising.
http://www.lafterhal...may2013_001.jpg
http://www.lafterhal...may2013_001.gif
Active Solar Prominence, 17 May - ADDED MOVIE
Started by
old_frankland
, May 19 2013 06:30 PM
10 replies to this topic
#1
old_frankland
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topic starter
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Gemini
Posted 19 May 2013 - 06:30 PM
#2
AstroPaolo
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Viking 1
Posted 20 May 2013 - 09:59 AM
impressive image sequence, goor for time-lapse 
#3
old_frankland
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topic starter
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Gemini
Posted 20 May 2013 - 10:56 AM
impressive image sequence, goor for time-lapse
Thanks, Paolo, working on one right now.
#4
JeanB
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Apollo
Posted 20 May 2013 - 05:18 PM
Terrific work, Jim!
Jean
Jean
#5
raylal
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Surveyor 1
Posted 21 May 2013 - 10:42 AM
Beautiful presentation Jim. Love it.
Ray
Ray
#6
Andrev
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Skylab
Posted 21 May 2013 - 11:31 AM
Very well done Jim. A superb sequence you captured. Beautiful work.
Andre.
Andre.
#7
BYoesle
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Cosmos
Posted 21 May 2013 - 12:02 PM
Beautiful captures Jim 
#8
old_frankland
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topic starter
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Gemini
Posted 21 May 2013 - 06:06 PM
Just added the time-lapse movie made with the sequence filtergrams. A VERY active prominence. Cadance is roughly 10 minutes over 2 hours.
#9
BYoesle
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Cosmos
Posted 21 May 2013 - 08:08 PM
Awesome animation Jim!
#10
Peter Z
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Ranger 4
Posted 21 May 2013 - 10:12 PM
Fabulous image sequence and animation, Jim.
#11
AstroPaolo
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Viking 1
Posted 22 May 2013 - 03:52 PM
great animationt
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