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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

06/23/2022
09:30 am

Equipment Details:

Lunt 40mm Ha solar telescope, ZWO ASI290MM camera plus GSO 2.5x Barlow, SkyWatcher EQ6R mount

Post-processing Details:

Best 15% of frames were stacked using AutoStakkert, sharpening and levels adjustment with IMPPG, Photoshop and PhotoScape X were used to add false color and make final adjustments to the image.

Image Details:

This morning I captured this image of a very long filament transitioning into a prominence (a filaprom) on the western limb of our nearest star. This is one thick wall of plasma! The image is inverted to give the filaprom more of a 3 dimensional look. Sunspot group AR3038 (lower right), which will soon rotate out of view, is also visible.

Posted

January 20, 2019

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David Callejas

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About the Author:

David Callejas, Marketing Director, helps bring EarthSky's content to the world via online ads and other products. He creates strategies that help people around the world find us and appreciate the work we do. He helps manage the EarthSky Store and bring to you the new products that you love. He's the chief liaison between EarthSky.org and the world of commerce. All that, plus he helps post content and populate our pages on Facebook, Google+ and Twitter. Go David!