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David Callejas

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January 20, 2019

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Mandy Daniels
Derbyshire, UK

08/30/2023
10:32 pm

Equipment Details:

Nikon D800
Skywatcher 300PDS, 1500 mm focal length

Post-processing Details:

Autostakkert: 25% of 100 images taken
GIMP: Sharpen, adjust curves

Image Details:

August Blue Supermoon, about as large as the Moon ever appears to us on Earth. Images acquired at an Earth-Moon distance of 355 520 km (from Stellarium) and subtending an angle of 0.56° or 33.6 arc seconds. Compare this with it's minimum and mean of 29.4 and 31.1 arc seconds, so roughly 8% larger apparent size than average or 14% larger than minimum.

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!