IC443 - Nebulosa Medusa (Riccardo Sgaramella)

Celestial hemisphere: Northern · Constellation: Gemini (Gem) · Contains: 10 Gem · 11 Gem · 12 Gem · 13 mu. Gem · 6 BU Gem · 7 eta Gem · Gem A · IC 443 · IC 444 · LBN 840 · LBN 841 · LBN 844 · LBN 845 · LDN 1564 · LDN 1565 · LDN 1566 · LDN 1567 · Part of the constellation Gemini (Gem) · Sh2-248 · Sh2-249 · Tejat Posterior · Tejat Prior · The star Propus (ηGem) · The star μGem

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IC443 - Nebulosa Medusa

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IC443 - Nebulosa Medusa

IC 443 è un resto di supernova situato nella costellazione dei Gemelli. Si crede che sia stato originato da una supernova esplosa in un periodo compreso fra 3000 e 30.000 anni fa, e che il nucleo della stella progenitrice responsabile di tale evento abbia formato la stella di neutroni CXOU J061705.3+222127. Si tratta di un oggetto molto studiato a causa della sua interazione con altre nubi molecolari.
IC 443 possiede un diametro angolare di 50 minuti d'arco, che ad una distanza di 5.000 anni luce equivalgono ad una dimensione reale di circa 70 anni luce.
Soggetto fotografato a cavallo tra il 2021 e il 2022 nelle rare notti libere, ed è una fusione tra le 21h in bibanda con filtro L-eXtreme e solo 3h20min con il filtro L-Pro, molto utile è stato il suggerimento di un mio amico Alessandro Soffia, che mi ha suggerito un tutorial fatto da un utende del gruppo FaceBook PixInsightItalia, dove mostra come risolvere i fastidiosi riflessi che si presentano a volte su stelle molto grandi.
Spero che il risultato sia di vostro gradimento, cieli sereni e a presto!!!!

Original
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Final
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Title: IC443 in bibanda

Description: Versione della integrazione delle tre serate di acquisizione con in bibanda prima della fusione con il risultato della sessione

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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	5367569
PixInsight job	D76MQJL98NPCA5CH6SHBFVBQ5PLXRSK4
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h18m02s.00
RA (top/left)	06h14m34s.70
RA (top/right)	06h24m19s.35
RA (bottom/right)	06h21m33s.84
RA (bottom/left)	06h11m43s.45

Dec (center)	+22°39′42″.3
Dec (top/left)	+21°24′42″.8
Dec (top/right)	+22°21′09″.1
Dec (bottom/right)	+23°54′18″.9
Dec (bottom/left)	+22°57′17″.7

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IC443 - Nebulosa Medusa

IC443 - Nebulosa Medusa

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IC443 - Nebulosa Medusa

IC443 - Nebulosa Medusa

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