The Elephant's Trunk Nebula in Cepheus (Markus Horn)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B160 · B161 · B162 · B163 · B365 · B367 · HD204613 · HD205196 · HD205510 · HD205917 · HD205948 · HD206081 · HD206183 · HD206267 · HD206482 · HD206773 · HD239710 · HD239712 · HD239724 · HD239725 · HD239727 · HD239729 · HD239767 · IC 1396 · LBN 451 · LBN 452 · LBN 455 · LBN 456 · LDN · LDN 1085 · And 33 more.

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The Elephant's Trunk Nebula in Cepheus

Link: http://www.astrophoto-hannover.de/lightbox/elephant.html

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

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The Elephant's Trunk Nebula in Cepheus

Link: http://www.astrophoto-hannover.de/lightbox/elephant.html

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

The Elephant's Trunk Nebula was my first project with the RASA 8. I used the IDAS NBZ filter to capture Ha and OIII, which was then separated in Astropixelprocessor and processed in Photoshop as a bicolor image.

B

Description: Some boost for the OIII....

Uploaded: ...

E

Description: I started from scratch with the data of IC 1396, captured last year, because I wanted more lightness in the picture. This time I reduced the stars only a bit to get a more realistic look. Hope you like it!

Uploaded: ...

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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
Deep sky
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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	5456393
PixInsight job	K6SEWU8YJRSY6GAZECFTFBQIVMBQJIDH
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	21h37m54s.97
RA (top/left)	21h51m05s.71
RA (top/right)	21h37m40s.92
RA (bottom/right)	21h24m17s.10
RA (bottom/left)	21h38m07s.41

Dec (center)	+57°16′32″.8
Dec (top/left)	+56°35′12″.2
Dec (top/right)	+59°11′59″.9
Dec (bottom/right)	+57°52′34″.4
Dec (bottom/left)	+55°21′09″.10

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The Elephant's Trunk Nebula in Cepheus

The Elephant's Trunk Nebula in Cepheus

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Image Index:

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The Elephant's Trunk Nebula in Cepheus

The Elephant's Trunk Nebula in Cepheus

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Sky plot

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