Elephant Trunk nebula IC1396 (Duane Melvin)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B161 · B163 · B367 · HD205510 · HD205948 · HD206081 · HD206183 · HD206267 · HD206482 · HD206773 · HD239710 · HD239712 · HD239724 · HD239725 · HD239727 · HD239729 · IC 1396 · LBN 451 · LBN 452 · LBN 455 · LBN 456 · LDN · LDN 1092 · LDN 1098 · LDN 1099 · LDN 1101 · LDN 1102 · LDN 1103 · LDN 1104 · LDN 1105 · And 13 more.

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Elephant Trunk nebula IC1396

Revision title: Elephant Trunk nebula IC 1396 rev

Powered byPixInsight

Elephant Trunk nebula IC1396

Revision title: Elephant Trunk nebula IC 1396 rev

5-13-2024 Marathon Motel Dark Sky Park, Tx.
Bortle1

6.25 Hours Integration:
25 Ha 300 Sec
25 OIII 300 Sec
25 SII 300 Sec
Antlia 3nm narrowband filters for all lines, 2-inch dia mounted on single Starizona magnetic tray

QHY294 m pro main camera 4/3 sensor cooled to -11 Deg. C
Gain 2400 Offset 5
using unlocked 47mP resolution

Esprit 100ED 550 mm focal length triplet refractor
EQ6R PRO Mount with pier extension

Manual focus using Bahtinov mask
Polemaster exact NCP alignment RA mount camera and software system
Synscan hand control for all alignment and go to activities
PHD guiding on st4 cable direct to mount with Orion Starshoot Autoguide TM camera (+-) 1pixel error
80mmx300mm reflector doublet guide scope

APT capture
Synscaninit Android app
Deepskystacker
Pixinsight - Hubble Palette RGB assignments R=SII G=Ha B=OIII
PS

Original
Final
B

B

Title: Elephant Trunk nebula IC 1396 rev

Description: Second processing attempt

Uploaded: ...

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	9868886
PixInsight job	F5OVPX60IOQ88BK8KI7ZC9U0T3SWZOM1
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h39m08s.794
RA (top/left)	21h36m56s.829
RA (top/right)	21h46m01s.927
RA (bottom/right)	21h41m29s.250
RA (bottom/left)	21h31m59s.999

Dec (center)	+57°31′30″.60
Dec (top/left)	+56°23′32″.65
Dec (top/right)	+56°48′51″.99
Dec (bottom/right)	+58°39′16″.81
Dec (bottom/left)	+58°12′40″.44

Image Index:

Contribution Index (beta):

Elephant Trunk nebula IC1396

Revision title: Elephant Trunk nebula IC 1396 rev

Elephant Trunk nebula IC1396

Revision title: Elephant Trunk nebula IC 1396 rev

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Elephant Trunk nebula IC1396

Revision title: Elephant Trunk nebula IC 1396 rev

Elephant Trunk nebula IC1396

Revision title: Elephant Trunk nebula IC 1396 rev

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