IC 1396 and the Elephant's Trunk Nebula - Hubble Palette (Eric Smith)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B160 · B161 · B162 · B163 · B365 · B367 · B368 · Erakis · IC 1396 · LBN 443 · LBN 451 · LBN 452 · LBN 455 · LBN 456 · LBN 457 · LDN · LDN 1083 · LDN 1085 · LDN 1086 · LDN 1087 · LDN 1088 · LDN 1090 · LDN 1092 · LDN 1093 · LDN 1095 · LDN 1096 · LDN 1098 · LDN 1099 · LDN 1101 · LDN 1102 · And 33 more.

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IC 1396 and the Elephant's Trunk Nebula - Hubble Palette

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IC 1396 and the Elephant's Trunk Nebula - Hubble Palette

A wide field view of IC 1396 nebula that contains the "Elephant's Trunk Nebula". The Elephant's Trunk Nebula is a concentration of interstellar gas and dust within the much larger ionised gas region of IC 1396 located in the constellation Cepheus about 2,400 light years away from Earth. In this wide view, the Elephant's Trunk is centred in the lower half of the image.

14 nights of imaging
October 14,15,24,28 2021
November 3,4,5,6,7,8,10,11,12,13 2021

Imaging locations
My home in Gérgal, Almeria, Spain. Elevation 720m
Negratín reservoir, Granada, Spain. Elevation 680m
Bortle class 4 - 5 at both locations

Exposures and filters
Sii - 152 x 300 seconds = 12.5 hours
Oiii - 178 x 300 seconds = 14.8 hours
Ha - 137 x 300 seconds = 11.4 hours
Total integration time: 38.7 hours

Equipment
Telescope: William Optics GT81 with x0.8 reducer / field flattener
Focal length: 385mm at f/4.7
Imaging Camera: ZWO ASI6200 MM Pro at full frame (62 Mpx) -5C
Autofocus: PegasusAstro focus cube V2
Filters: ZWO 2" 7nm Ha, Sii and Oiii
Guide scope: William Optics off axis guider
Guide camera: ZWO ASI120MM Mini
Telescope mount: Celestron CGX
Capture computer: PrimaLuce Labs EAGLE 4

Software: N.I.N.A, PHD 2, Sharpcap Pro, PixInsight, Topaz Labs, Adobe Lightroom and Photoshop

Please note: The following tables are updated every 24 hours.

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	5247016
PixInsight job	OSCRWBI3VPR1GLGNZSSN46AQZVN7B7C3
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h40m48s.72
RA (top/left)	21h54m46s.73
RA (top/right)	21h53m54s.70
RA (bottom/right)	21h25m35s.29
RA (bottom/left)	21h28m50s.64

Dec (center)	+57°30′30″.8
Dec (top/left)	+56°00′35″.4
Dec (top/right)	+59°13′53″.5
Dec (bottom/right)	+58°54′25″.6
Dec (bottom/left)	+55°42′11″.4

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Contribution Index (beta):

IC 1396 and the Elephant's Trunk Nebula - Hubble Palette

IC 1396 and the Elephant's Trunk Nebula - Hubble Palette

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Image Index:

Contribution Index (beta):

IC 1396 and the Elephant's Trunk Nebula - Hubble Palette

IC 1396 and the Elephant's Trunk Nebula - Hubble Palette

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