Heart & Soul IC1805 & IC1848 (tommy_nawratil)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1795 · IC 1805 · IC 1824 · IC 1831 · IC 1848 · NGC 1027 · NGC 896 · Sh2-190 · Sh2-191 · Sh2-192 · Sh2-193 · Sh2-194 · Sh2-195 · Sh2-196 · Sh2-197 · Sh2-198 · Sh2-199 · Sh2-201

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Heart & Soul IC1805 & IC1848

Powered byPixInsight

Heart & Soul IC1805 & IC1848

Full moon normally is a relaxed time for me, not thinking of Deepsky imaging or observing (if not some planets are up). The light pollution shed by our romantic friend is just forbidding. Who will be that crazy to do a widefield at fullmoon? But as it turns out, nowadays we have tools and weapons.

This picture is a test for two of them: Optolongs L-eXtreme dual narrowband filter (Ha and OIII each 6nm pass), and the new cooled DSPro2600c camera utiliting Sony's framed IMX571 color sensor. The scope is William Optics Whitecat with 250mm focal length.

I did not expect a revolution, but I was able to push the data pretty much. One gets a "natural bicolor" masterframe from dual narrowband filter, stars are very tight featuring the nebula additionally. I also processed CFAsplit Ha (R) and OIII (G amd B) masterframes taken before debayering, which worked well too but stars were not as tight. As you have 1/4 size masterframes and resample them to normal size, stars grow with resampling. But to mix in the starless narrowband versions to the "natural bicolor" worked well.

And yeah, here ist the result!

DSPro2600c working at gain 1, offset 100 and high conversion gain.

Shots taken on Dec 26th and new years eve Dec 30th to Jan 1st -

happy new year 2021 to all of you!

Original
B
Final
C

B

Description: annotated version

Uploaded: ...

C

Description: a bit more blue

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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
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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
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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	Advanced success
Started	...
Astrometry.net job	4160643
PixInsight job	42QLWCU0DUIZ3U8BGIYN2GZW4UFIBKDE
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	02h44m08s.13
RA (top/left)	02h22m16s.81
RA (top/right)	03h04m30s.54
RA (bottom/right)	03h08m25s.71
RA (bottom/left)	02h21m07s.85

Dec (center)	+61°07′35″.2
Dec (top/left)	+59°20′10″.3
Dec (top/right)	+59°05′49″.9
Dec (bottom/right)	+62°40′24″.1
Dec (bottom/left)	+62°56′25″.1

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Heart & Soul IC1805 & IC1848

Heart & Soul IC1805 & IC1848

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Image Index:

Contribution Index (beta):

Heart & Soul IC1805 & IC1848

Heart & Soul IC1805 & IC1848

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