Chromosphere through a LIMICON Halpha filter
Chromosphere through a Coronado PST
Pictures below were taken with a Coronado Personal Solar Telescope. This instrument incoporates a Halpha filter whose bandwith is lower than 1 Angström, which make possible to observe chromospheric details on the whole solar disc.
These two pictures were captured on
09/17/2005 (upper picture) and 07/03/2005 (lower picture) with an EPSON PC3000Z digital camera placed behind a
Plössl 25mm eyepiece and a 2x Barlow lens.
Through the Halpha band, sun spots look much smaller. Dark
filaments are prominences seen from above.
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Here is a picture of sunspot 798 captured in the morning on 09/17/2005 with a B/W modified PHILIPS VESTA PRO camera placed behind a 2x Barlow lens (F=800mm F/D=20). This picture is a combination of 10 raw frames processed with IRIS software.
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This collapsing prominence was captured in the morning on 05/15/2005 with a B/W modified PHILIPS VESTA PRO camera placed behind a 2x Barlow lens (F=800mm F/D=240).
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A
movie of
this collapsing prominence (DIVX compression 1408K)
This 11 seconds movie shows 20 minutes of evolution of this prominence.
This collapsing prominence was captured in the morning on 07/14/2005 with a B/W modified PHILIPS VESTA PRO camera placed behind a couple of 2x Barlow lenses (F=1600mm F/D=40).
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A movie of
this prominence (DIVX compression 3174K)
This 15 seconds movie shows one hour of evolution of this prominence. The prominence collapses at the end of the movie.
This flare was captured in the morning on 08/28/2005 with a B/W modified PHILIPS VESTA PRO camera place behind a 2x Barlow lens (F=800mm F/D=20). Through the Halpha band, flares look like very bright spots.
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A movie of
this flare (DIVX compression 2648K)
This 4 seconds movie shows about 15 minutes of evolution of this flare. It shows a prominence emerging from the active area. The video quality was altered by clouds passing in front of the sun.
This arch shaped prominence was captured in the morning on 09/08/2005 with a B/W modified PHILIPS VESTA PRO camera placed behind a couple of 2x Barlow lenses (F=1600mm F/D=40).
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A movie of
this arch (DIVX compression 646K)
This 15 seconds movie shows about
70 minutes of evolution of this arch. Notice the material falling
back symetrically along each half arch.