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David Callejas

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January 20, 2019

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Filipp Romanov
Remotely at Burke-Gaffney Observatory, Halifax, Canada

10/10/2022
02:37 am

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Image Details:

I observed the optical afterglow of the extremely bright GRB 221009A = Swift J1913.1+1946 https://www.astronomerstelegram.org/?read=15650 remotely using 0.61-m f/6.5 Corrected Dall-Kirkham telescope of Burke-Gaffney Observatory on 2022-10-10.

My photometric data (magnitude faded from 15.54 to 15.92 Ic in one hour): https://gcn.gsfc.nasa.gov/gcn3/32664.gcn3

More information about this GRB: https://forum.cosmoquest.org/forum/science-and-space/astronomy/3704483-godzillarb-221009a-king-of-the-monsters

Image: stacked 12x300 sec., Ic filter.

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January 20, 2019

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David Callejas

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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!