Comet c/2022 E3 ZTF (27 Jan 23)
Taken by Jan Curtis on January 27, 2023 @
Oracle, Arizona
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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Details:
Comet ZTF was observed under perfect skies and is now moving ~12 arcmin/hour (the moon's diameter in just 2.5 hours). Comet ZTF continues to lose its anti-tail although it is still noticeable in long duration images. The cropped image at left was taken with a Nikon d7100, Nikkor 180mm f/2.8 @ f/2.8, exp 5x120s, iso 1600, fixed comet and stars; the right image in the panel is an invert of the center without stars (104x120s or ~3.5 hours integrated time). All images post-processed with PixInsight.
Under dark moonless skies, the naked eye visibility was definitely brighter than 24 hours. I'd estimate the magnitude of the comet at +5.2. I was able to image the comet at an iso 1600 with similar results to the one yesterday at iso 3200. The left image was only 5 subs before comet drift became noticeable (10 mins integrated time).
Bortle 4, sky transparency 10/10, temperature 34F, RH 45%, slight breeze. Orion Sirius EQ Mount used.
Photographer's website:
https://www.flickr.com/photos/cloud_spirit/albums/72177720304740214
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