Hearth Nebula in Palmi-Hubble palette (Palmito)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1805 · LBN 654 · LBN 655 · LDN 1366 · LDN 1367 · LDN 1368 · LDN 1369 · Sh2-190

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Hearth Nebula in Palmi-Hubble palette

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Hearth Nebula in Palmi-Hubble palette

This is a version of my last picture starting off with Hubble color palette (SHO).

However I like my stars to look natural.

So what I do is apply PixInsights "Photometric Color Calibration" process (matching real known colors from G2V type stars, as per my settings).

Then I apply SCNR to remove green from the image as I get a completely green image after PCC.

Finally, once the color image is stretched, I increase saturation to get colors as after applying SCNR I obtain a nearly grayscale image.

Cloudy Nights
The refractors!
Narrowband imaging
Losmandy mounts
ZWO ASI1600MM/QHY163M
Beginners AP
AAA : Astronomes et Astrographes Amateurs
Suburban Astrophotography
Unique or Unusal Deep Sky Targets

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Deep sky
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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	Advanced success
Started	...
PixInsight job	YMURWBAV2QGTJE6DEEJSN63AINR3GIJT
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h34m36s.192
RA (top/left)	02h37m36s.477
RA (top/right)	02h37m21s.508
RA (bottom/right)	02h31m30s.595
RA (bottom/left)	02h31m55s.866

Dec (center)	+61°17′33″.97
Dec (top/left)	+60°50′19″.76
Dec (top/right)	+61°46′23″.69
Dec (bottom/right)	+61°44′33″.27
Dec (bottom/left)	+60°48′33″.13

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Hearth Nebula in Palmi-Hubble palette

Hearth Nebula in Palmi-Hubble palette

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Hearth Nebula in Palmi-Hubble palette

Hearth Nebula in Palmi-Hubble palette

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Acquisition details

Description

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Sky plot

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In these public groups

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