SH2-155 The Cave Nebula (DocRx)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: HD216380 · HD216425 · HD216532 · HD216629 · HD216658 · HD216711 · HD216898 · HD217035 · HD217061 · HD217086 · HD217099 · HD217312 · HD217463 · HD217657 · HD217966 · LBN 524 · LBN 527 · LBN 529 · LDN 1215 · LDN 1216 · LDN 1218 · PK110+01.1 · Sh2-155

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SH2-155 The Cave Nebula

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SH2-155 The Cave Nebula

Another image I recovered from an HDD where I used to store my data and I thought it was lost. These data are from 2018. Never I believed four years ago I would have been able to come up with an image like this if they told me so. At that time I just did my duty. They said the more I integrated, the best the image would have been. How to blame them? I hope you like this fragment from my recent past. I have 60x1200" frames per filter, totalling 60 hrs of integration.

Suburban Astrophotography
Fine Art Astrophotography
Narrowband imaging
Takahashi Refractors
Imagers of Italy
PixInsight Addicts
Sharpless2 Objects
The refractors!
Cloudy Nights

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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	6302491
PixInsight job	PAKMLLNO2STAGFMENQBYFZIEFIBLHYOG
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h56m54s.11
RA (top/left)	22h50m38s.23
RA (top/right)	22h50m32s.64
RA (bottom/right)	23h02m47s.20
RA (bottom/left)	23h03m39s.40

Dec (center)	+62°20′53″.4
Dec (top/left)	+63°16′34″.4
Dec (top/right)	+61°26′46″.8
Dec (bottom/right)	+61°24′12″.0
Dec (bottom/left)	+63°13′47″.4

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SH2-155 The Cave Nebula

SH2-155 The Cave Nebula

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Image Index:

Contribution Index (beta):

SH2-155 The Cave Nebula

SH2-155 The Cave Nebula

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