The Crescent Nebula (Simon)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · HD192003 · HD192020 · HD192041 · HD192079 · HD192102 · HD192123 · HD192163 · HD192182 · HD192303 · HD192361 · HD192422 · HD192443 · HD192444 · HD192537 · HD192639 · HD192766 · HD228099 · HD228100 · HD228153 · HD228163 · HD228171 · HD228172 · HD228185 · HD228186 · HD228198 · HD228205 · HD228220 · HD228234 · HD228243 · And 47 more.

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The Crescent Nebula

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The Crescent Nebula

I am pleased to have been able to image this. I have always found this object difficult, but with this new camera and the duo filter, I have captured more than I thought I would - and with lightish skies too! I took 48 subs at 5 minutes long each - 4 hours integration time. My only gripes are, (i) due to not using plate solving and SGP, I effectively align everything manually, and in so doing I captured only half of the soap bubble! How annoying - but at least I got it, which is way more than I ever expected. It is at the bottom of the image and dead centre. (ii) I still have an error on the left side of the image causing iffy stars, which is probably a tilt issue - and I was not perfect with my focus either! But I will get there. Thanks everyone...

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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	3583267
PixInsight job	CLGJKC7CDTS1GIEPOZ0BDGYYURLXDPBE
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h13m00s.55
RA (top/left)	20h11m17s.42
RA (top/right)	20h10m06s.19
RA (bottom/right)	20h14m41s.68
RA (bottom/left)	20h15m57s.74

Dec (center)	+38°05′26″.0
Dec (top/left)	+38°50′25″.3
Dec (top/right)	+37°30′03″.6
Dec (bottom/right)	+37°20′16″.2
Dec (bottom/left)	+38°40′28″.6

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The Crescent Nebula

The Crescent Nebula

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Image Index:

Contribution Index (beta):

The Crescent Nebula

The Crescent Nebula

Equipment

Acquisition details

Description

Comments

Sky plot

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