vdB152-B175-LDN1235 (Curtis Tsai)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: 16 Cep · 24 Cep · B175 · HD210369 · HD210401 · HD210615 · HD210640 · HD210806 · HD210873 · HD210884 · HD210902 · HD211300 · HD211319 · HD211771 · HD211867 · HD212976 · HD213022 · HD213460 · LBN 528 · LBN 531 · LBN 535 · LBN 538 · LBN 541 · LBN 546 · LDN 1217 · LDN 1219 · LDN 1235 · LDN 1242 · PK111+11.1 · The star 16 Cep · And 3 more.

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vdB152-B175-LDN1235

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vdB152-B175-LDN1235

I chose this region for my August 2023 new moon target because the dark nebulae and dust clouds were accented by colorful streaks of red emission nebulae, a planetary nebula, and bright stars.

Unlike my recent collaboration with @Kevin Morefield on the Cocoon Nebula where he collected a large amount of luminance data with an FSQ106 to supplement the RH200 data, this vdB152 dataset is solely from an RH200. As a result, optical artifacts such as trefoil stars and severe drop off in illumination are quite apparent in the corners of the full frame sensor. The RH200 may be a dust bucket but it doesn't have a flat field!

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	8525604
PixInsight job	7BGYWKJSILHTGAQ484JSBIFLEK56RKCS
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h12m30s.20
RA (top/left)	21h53m00s.47
RA (top/right)	21h56m40s.35
RA (bottom/right)	22h28m09s.63
RA (bottom/left)	22h32m09s.86

Dec (center)	+71°40′23″.3
Dec (top/left)	+73°42′07″.5
Dec (top/right)	+69°33′06″.8
Dec (bottom/right)	+69°32′35″.4
Dec (bottom/left)	+73°41′29″.4

Image Index:

Contribution Index (beta):

vdB152-B175-LDN1235

vdB152-B175-LDN1235

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Image Index:

Contribution Index (beta):

vdB152-B175-LDN1235

vdB152-B175-LDN1235

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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