Heart and Soul Nebula, IC 1805 and IC 1848, H-alpha and Near Infrared Animation (Eric Coles (coles44))

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1805 · IC 1824 · IC 1848 · NGC 1027 · Sh2-190 · Sh2-191 · Sh2-192 · Sh2-193 · Sh2-194 · Sh2-195 · Sh2-196 · Sh2-197 · Sh2-198 · Sh2-199

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Heart and Soul Nebula, IC 1805 and IC 1848, H-alpha and Near Infrared Animation

This is the second image of the Astrodon Near-Infrared >700 nm filter (NIR) versus what you see with the H-alpha filter. Do you see any emission nebula. The animation clearly shows that for the most part, the answer is no. Although there are a series of dark structures that are similar in both images and likely dark clouds (not dark matter) in front of the emission nebula, obscuring the stars and in the case of the H-alpha image, the emissions behind. This lack of coincident emission nebulous structures in NIR image was to be expected considering the absence of any strong emission lines in the NIR area of the electromagnetic spectra. However, there is a small emission area in the NIR image near the bottom on the right side that is as yet not identified.

PLATE SOLVE

Center (RA, Dec): (40.758, 61.042)

Center (RA, hms): 02h 43m 01.811s

Center (Dec, dms): +61° 02' 30.690"

Size: 3.11 x 3.11 deg

Radius: 2.201 deg

Pixel scale: 11.2 arcsec/pixel

Orientation: Up is -177 degrees E of N

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	Distinct awarded users	Total awarded images
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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
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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
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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	Advanced success
Started	...
Astrometry.net job	385195
PixInsight job	RNHLXXLX8N7RIN117CYW892VA2QO0HHE
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	02h43m00s.8
RA (top/left)	02h57m11s.5
RA (top/right)	02h30m10s.1
RA (bottom/right)	02h30m06s.0
RA (bottom/left)	02h54m31s.4

Dec (center)	+61°02′36″
Dec (top/left)	+62°27′32″
Dec (top/right)	+62°38′38″
Dec (bottom/right)	+59°32′06″
Dec (bottom/left)	+59°22′30″

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Heart and Soul Nebula, IC 1805 and IC 1848, H-alpha and Near Infrared Animation

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Heart and Soul Nebula, IC 1805 and IC 1848, H-alpha and Near Infrared Animation

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