vdB 142 (Elephant's Trunk Nebula) (mirko tondinelli)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD205510 · HD205948 · HD206081 · HD206183 · HD206267 · HD239712 · HD239729 · IC 1396 · LBN 451 · LBN 452 · LDN 1092 · LDN 1093 · LDN 1096 · LDN 1098 · LDN 1099 · LDN 1102 · LDN 1105 · Sh2-131 · VdB142

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vdB 142 (Elephant's Trunk Nebula)

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vdB 142 (Elephant's Trunk Nebula)

vdB 142 è una piccola nebulosa oscura, visibile nella costellazione di Cefeo. Si individua verso l'area centrale del grande complesso nebuloso noto come IC 1396, pochi primi d'arco ad ovest dell'ammasso aperto associato alla nebulosa; nonostante le sue ridotte dimensioni, si evidenzia con una discreta facilità, a causa della sua profonda oscurità e per la sua forma, che le ha conferito il soprannome di Proboscide di Elefante. Trovandosi a declinazioni molto settentrionali, si presenta circumpolare dalla gran parte dell'emisfero boreale; tutt'attorno appare circondata da un campo stellare relativamente ricco, e la presenza della nebulosità diffusa di IC 1396 ne risalta ulteriormente la sua natura di nebulosa oscura. La scia scura è interrotta da due stelle di ottava magnitudine.

L'amico Astrofilo Andrea Spagnoli ha fotografato questo soggetto e io l'ho elaborato seguendo una tecnica di fusione tra SHO e HOO . Elaborata con pixinsight e Photoshop
Ecco i dati tecnici:Eq8 sw 200f5 filtri baader 6.5 nm CMOS ASI 2600mmHa 66x300
OIII 67x300
SII 67x300

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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Amateur hosting facility
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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	...
Astrometry.net job	6366611
PixInsight job	RJQ1X2WNA6Z83W9FMFLSKPNVC888W76O
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h35m36s.413
RA (top/left)	21h40m58s.408
RA (top/right)	21h36m34s.906
RA (bottom/right)	21h30m06s.568
RA (bottom/left)	21h34m40s.468

Dec (center)	+57°33′03″.93
Dec (top/left)	+57°07′15″.10
Dec (top/right)	+58°23′02″.45
Dec (bottom/right)	+57°58′01″.10
Dec (bottom/left)	+56°43′04″.59

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vdB 142 (Elephant's Trunk Nebula)

vdB 142 (Elephant's Trunk Nebula)

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vdB 142 (Elephant's Trunk Nebula)

vdB 142 (Elephant's Trunk Nebula)

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