{"id":244098,"date":"2022-11-16T06:00:00","date_gmt":"2022-11-16T06:00:00","guid":{"rendered":"https:\/\/www.unistellar.com\/blog\/will-a-comet-be-visible-to-the-naked-eye-next-year\/"},"modified":"2022-11-16T13:36:55","modified_gmt":"2022-11-16T13:36:55","slug":"will-comet-e3-be-visible-to-the-naked-eye","status":"publish","type":"blog","link":"https:\/\/www.unistellar.com\/fr\/blog\/will-comet-e3-be-visible-to-the-naked-eye\/","title":{"rendered":"Will Comet E3 Be Visible to the Naked Eye? Help Us Find Out!"},"content":{"rendered":"

[et_pb_section fb_built=\u00a0\u00bb1″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bbgcid-579abc80-458a-43b5-90b5-efa821d39207″ custom_padding=\u00a0\u00bb4px||0px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{%22gcid-579abc80-458a-43b5-90b5-efa821d39207%22:%91%22background_color%22%93}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][dsm_breadcrumbs _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/dsm_breadcrumbs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bbgcid-579abc80-458a-43b5-90b5-efa821d39207″ global_colors_info=\u00a0\u00bb{%22gcid-579abc80-458a-43b5-90b5-efa821d39207%22:%91%22background_color%22%93}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb3_5,2_5″ make_equal=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_css_main_element=\u00a0\u00bbdisplay: flex;||flex-direction: row;||align-items: center;\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb3_5″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n

In March of 2022, astronomers discovered a comet from the outer reaches of the Solar System making its way toward the Sun. Called C\/2022 E3 ZTF, the object will be passing by Earth in February, leaving a bright trail of gas and dust behind it.<\/span><\/p>\n

There\u2019s even a chance that Comet E3 will be visible to the naked eye in February. That\u2019s a rare occurrence for comets \u2014 the last one bright enough to be observed without a telescope was <\/span>NEOWISE<\/span><\/a> in 2020. To find out whether this comet will make a naked-eye appearance, scientists need more observations of how its brightness is changing as it gets closer to the Sun. Comets contain ice, and as they approach the Sun, that ice warms up and sublimates, or turns directly from a solid to a gas. This process creates a comet\u2019s tails, which can stretch for millions of miles, as well as the bright cloud of gas and dust that surrounds the comet\u2019s body, known as the coma.<\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb2_5″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2022\/11\/2022E3_orbit.gif\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb title_text=\u00a0\u00bb2022E3_orbit\u00a0\u00bb hover_enabled=\u00a0\u00bb0″ sticky_enabled=\u00a0\u00bb0″][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0″ sticky_enabled=\u00a0\u00bb0″]<\/p>\n

The orbit of Comet 2022 E3 ZTF. Credit: Tony Dunn<\/em><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n

Comet E3 comes from the Oort Cloud, a region of the Solar System far from the Sun inhabited by comets, asteroids and dwarf planets. At some point, a gravitational push nudged Comet E3 from its orbit and sent it flying inward toward the Sun. Astronomers actually thought Comet E3 was an asteroid at first because they couldn’t see any coma or tail. However, further observations revealed that it did indeed have a coma, meaning it had to be a comet.<\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb column_structure=\u00a0\u00bb1_2,1_2″][et_pb_column type=\u00a0\u00bb1_2″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2022\/11\/GeorgesS_E3.png\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb title_text=\u00a0\u00bbGeorgesS_E3″ src_last_edited=\u00a0\u00bbon|desktop\u00a0\u00bb hover_enabled=\u00a0\u00bb0″ sticky_enabled=\u00a0\u00bb0″][\/et_pb_image][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/www.unistellar.com\/wp-content\/uploads\/2022\/11\/AadV_E3.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb title_text=\u00a0\u00bbC\/2022 E3 (ZTF)\u00a0\u00bb hover_enabled=\u00a0\u00bb0″ sticky_enabled=\u00a0\u00bb0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb][et_pb_column _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb type=\u00a0\u00bb4_4″][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0″ sticky_enabled=\u00a0\u00bb0″]<\/p>\n

eVscope images of Comet 2022 E3 ZTF from citizen astronomers Georges S. (left) and Aad V. (right). The images, taken nearly two weeks apart, show the brightening of the comet over time.<\/em><\/p>\n

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The incoming comet will pass closest to the Sun on January 12, 2023, and then draw nearest to Earth on February 2, 2023, when it will be about 42,500,000 km (~26,400,000 miles) away. By the time of its close approach, Comet E3 will only be visible to the Northern Hemisphere in the constellation Camelopardalis.<\/span><\/p>\n

Before that happens, scientists need more observations to see how its brightness is changing. That\u2019s where you come in! Observe Comet E3 with your Unistellar Telescope and share your data with astronomers. This may be the first and last time we will see E3 pass near our home planet, so don\u2019t miss your chance to catch this comet! With luck, we\u2019ll soon know if an upwards gaze will be enough to witness Comet E3\u2019s beauty.<\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4″ _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.18.0″ _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0″ global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0″]<\/p>\n

How to observe this comet with your Unistellar telescope:<\/b><\/h4>\n

Comet 2022 E3 ZTF is registered in the Unistellar App Catalog, so it\u2019s easy to observe. You\u2019ll be using the Unistellar app\u2019s science mode, which can be found under the Cometary Activity tab. <\/span><\/p>\n

For more information on how to observe, visit the Tutorial Page<\/a>. You will point to your target using the instructions detailed under Observation 1a:<\/span> The comet is in the Unistellar app\u2019s catalog.<\/span><\/p>\n

In the Recording field enter the following information: 3970 ms \/ Gain: 25 dB \/ Duration: 20 min.<\/span><\/p>\n

You can find more information on our Missions Page<\/a>.\u00a0<\/span><\/p>\n

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Further readings<\/h2>\n

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In March of 2022, astronomers discovered a comet from the outer reaches of the Solar System making its way toward the Sun. Called C\/2022 E3 ZTF, the object will be passing by Earth in February, leaving a bright trail of gas and dust behind it.<\/p>\n","protected":false},"author":17,"featured_media":244074,"menu_order":0,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false},"categories":[277],"tags":[93,94,260,261,262,263,95,101],"articles_categories":[],"class_list":["post-244098","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-observations-fr","tag-citizen-astronomer-fr","tag-citizen-science-fr","tag-comet-fr","tag-comet-2022-e3-ztf-fr","tag-comet-e3-fr","tag-cometary-activity-fr","tag-evscope-fr","tag-telescope-fr"],"acf":[],"yoast_head":"\nWill Comet E3 Be Visible to the Naked Eye? 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