Flame Nebula IR+R/G/B Test (竞霄 Jing-Xiao)

Flame Nebula IR+R/G/B Test

A quick test shot under Bortle 9 sky with Moon less than 30 degrees away, so the SNR is poor.

The 462MC normally works as a one-shot-color camera at 400~700nm. But at wavelength greater than 800nm, its QE curves of RGB channels converge, making it a IR mono camera. I have some IR filters lying around from my failed attempt to capture the 1 micron heat radiation from Venus surface, so I decided to use one of the filters to do some NIR astrophotography with this interesting camera.

I planned to image the cluster of young stars hiding behind the dusty "trunk" of NGC 2024, but it seems ~1 micron is not long enough to pierce through the dust. So this is another failed attempt. But I still managed to merge the IR data into the red channel, making a IR+R/G/B image of the Flame Nebula. It does show a reddish IR lining around the main dust structure, and a few stars that shine mainly in NIR wavelengths.

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.

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