NGC 1491 - Fossil Footprint Nebula (Monty Chandler)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: HD232871 · HD232875 · HD25305 · HD25515 · LBN 704 · LBN 705 · LBN 706 · NGC 1491 · Sh2-206

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NGC 1491 - Fossil Footprint Nebula

Link: https://montychandler.smugmug.com/Astrophotography/Nebula/i-6m6jLMw/A

Powered byPixInsight

NGC 1491 - Fossil Footprint Nebula

Link: https://montychandler.smugmug.com/Astrophotography/Nebula/i-6m6jLMw/A

NGC 1491 (also designated SH2-206 and LBN 704) is a bright emission nebula and HII region, located on the edge of a vast cloud region of neutral gas, about 10,700 light-years away in the Perseus arm of our Milky Way Galaxy in the constellation Perseus.

HII regions are well known for being places where new stars are born, and are created when ultraviolet radiation from hot stars ionizes the surrounding gas, causing it to glow in visible light. The surrounding dust is also heated by this radiation, so we also see it glow in infrared light. The hot core of the Fossil Footprint stands out in the image as OIII data and its cooling is seen as the colors change from white/blue to green to brown to red all the while getting dimmer and dimmer.

This image is comprised of 354 3-minute subs (~17hrs) from a ZWO ASI071MC Pro camera and a Skywatcher Esprit 120ED telescope on a Skywatcher EQ6r Pro mount. Taken during October 2021.

Need some clear skies here in the hills of NC.

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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	Advanced success
Started	...
Astrometry.net job	6513143
PixInsight job	YA6X0QYQQV5LCUXOP8OISUFUDB4OKP0W
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h03m13s.55
RA (top/left)	04h00m41s.83
RA (top/right)	03h59m35s.90
RA (bottom/right)	04h05m40s.11
RA (bottom/left)	04h06m58s.99

Dec (center)	+51°18′59″.9
Dec (top/left)	+52°07′28″.7
Dec (top/right)	+50°37′32″.4
Dec (bottom/right)	+50°30′18″.5
Dec (bottom/left)	+52°00′00″.7

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NGC 1491 - Fossil Footprint Nebula

NGC 1491 - Fossil Footprint Nebula

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NGC 1491 - Fossil Footprint Nebula

NGC 1491 - Fossil Footprint Nebula

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