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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

11/20/2021
09:13 pm

Equipment Details:

Celestron C8 200mm SCT, ZWO ASI290MM camera plus IR/UV cut filter and 2.5X Barlow, SkyWatcher EQ6R Pro mount

Post-processing Details:

Best 250 out of 1000 frames of video stacked with AutoStakkert3, wavelets adjusted with Registax 6, other post-processing with Photoshop CS2 and Microsoft Photo.

Image Details:

Last night I took a break from imaging DSOs and imaged some lunar features. This is Petavius, a large impact crater near the southeastern limb of the Moon. The deep fracture that runs from the large central mountains to the southwest rim of the crater is clearly visible in this image. Petavius has a diameter of 177 km and a depth of 3.4 km.

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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!