C/2023 P1 Nishimura (Alan Howell)

Celestial hemisphere: Northern · Constellation: Cancer (Cnc) · Contains: Solar system body or event

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C/2023 P1 Nishimura

Link: https://www.starpathimages.com/Photography/Astrophotography/

Powered byPixInsight

C/2023 P1 Nishimura

Link: https://www.starpathimages.com/Photography/Astrophotography/

Third time is the charm! I was finally able to capture our newest comet, C/2023 P1 Nishimura, around 5:30am today just before the sunrise washed out the tail. What a spectacular sight to see this rare green beauty show up on my camera screen!

Captured with:
Astro-Tech 72EDII (f/6 @430mm)
Astro-Tech 0.8X Reducer/Flattener
Sky-Watcher Star Adventurer v1
ZWO 183MC Pro
ASIAir Plus
Antlia Triband RGB Filter
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C/2023 P1 (Nishimura) is a long-period comet discovered by Japanese amateur astronomer Hideo Nishimura on 12 August 2023. With an observation arc of seven months, the orbital period of the comet is estimated to be 435 years. Computation of its orbit showed it would make its closest approach to Earth on 12 September at a distance of 78m miles (125m km), just five days ahead of its closest approach to the sun.

Hideo Nishimura detected a bright object very close to the Sun. No one had seen it before because the object was lost in our star’s glare. And, exciting news, it turned out to be a brand-new bright comet! On August 15, the Minor Planet Center officially confirmed the discovery and named the comet C/2023 P1 (Nishimura).

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Basic success
Started	...
Astrometry.net job	8402485
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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C/2023 P1 Nishimura

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