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David Callejas

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January 20, 2019

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Chris Zurita
Tucson, AZ, USA

01/21/2023
01:30 am

Equipment Details:

Nikon D3300 with Tamron 18-400mm lens at 300mm. F7. 60 second exposures at iso1600 Mounted to a DIY motorized equatorial mount. DigiCam software for long exposure control.

Post-processing Details:

edits in Camera Raw, stacked comet with Deep Sky Stacker. About 30 photos stacked with a few shakes thrown out, which is why the star trails have some gaps.

Image Details:

Went out to photograph Comet C2022 E3 ZTF. Colder than I thought it would be, ran a long usb cable to the car so I could sit in there while capturing these exposures. Tried stacking just the comet as it was moving considerably faster than the rest of the sky.

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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!