IC443 - Cosmic Jelly (Tyrel Smith)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B369 · BT Lac · CP Lac · DN Cep · DP Lac · GP Cep · Gem A · IC 443 · KM Lac · KR Cep · KS Cep · KS Lac · KT Cep · KV Cep · KW Cep · LX Lac · LZ Lac · MQ Lac · MT Cep · NW Cep · NX Cep · QS Lac · QU Lac · RW Cep · SU Lac · Sh2-132 · The star Propus (ηGem) · V0346 Lac · V0406 Lac · V0650 Cep · And 3 more.

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IC443 - Cosmic Jelly

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IC443 - Cosmic Jelly

The unmistakable Jellyfish nebula. A longtime favorite of mine, I missed this last year because i was working on a mosaic. I almost missed it this year because of self-inflicted equipment shuffles. I wanted to shoot this wide-field but, because of the aforementioned shuffle, had to settle on the 12.5" iDK. I'm glad I did, because the detail that the scope produced is excellent.

This was also first light with the PL16803. The data was really nice to work with in terms of noise reduction and sharpening. The bright star Eta Geminorum (Propus) was a bit challenging both during acquisition and processing. I had to deal with pretty serious reflections in the form of a large halo and some microlens artifacts. A drawback to the large-ish aperture of the telescope and the long exposures needed to grab the faint detail. I learned a few new tricks and, while not perfect, the result is pleasing to my eye.

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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
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.

Status	Advanced success
Started	...
Astrometry.net job	4164977
PixInsight job	9PH24HKLHZXK9DW91HE5COAGH1VKSP34
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	22h19m04s.335
RA (top/left)	22h26m35s.336
RA (top/right)	22h11m43s.760
RA (bottom/right)	22h11m48s.644
RA (bottom/left)	22h26m09s.750

Dec (center)	+55°55′43″.27
Dec (top/left)	+56°34′47″.39
Dec (top/right)	+56°36′56″.20
Dec (bottom/right)	+55°15′00″.83
Dec (bottom/left)	+55°12′56″.67

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IC443 - Cosmic Jelly

IC443 - Cosmic Jelly

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Image Index:

Contribution Index (beta):

IC443 - Cosmic Jelly

IC443 - Cosmic Jelly

Equipment

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