SH2-136 (mario_hebert)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep)

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SH2-136

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SH2-136

Aux 19 poses luminance prises l'année dernière, j'ai pu rajouter cette semaine 51 autres poses de 900 secondes à la nébuleuse SH2-136 dite du fantôme de Céphée, commencée l'été dernier.

Une soire complète d'expositions couleur a également été rajoutée.

Durant la plupart de ces soirées, le seeing n'était pas au rendez-vous, ou bien quand il l'était, c'est le vent qui venait gâcher la sauce. Je me retrouve donc avec une image finale qui n'a pas toute la définition souhaitée, mais bon, après tout... n'est-ce pas le propre d'une nébuleuse d'être un objet...nébuleux? :-)

Prise sur deux années consécutives donc, en quelque chose comme 8 à 10 soirées. Je n'ai gardé que les subs qui me semblaient les plus potables.

70 X 900 secondes (bin 1X1) pour la luminance

18 X 480 secondes (bin 2X2) pour le rouge

18 X 480 secondes (bin 2X2) pour le vert

18 X 480 secondes (bin 2X2) pour le bleu

Total combiné Luminance + couleurs d'environ 25 hres

Télescope Newton Skywatcher Quattro 10" CF à 1000 de focale

Camera monochrome QHY9 refroidie à -20C

Monture Takahashi EM-200 Temma 2

Orion Thin Off-Axis guider + Lodestar X2

Parc national de la Mauricie

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	Basic success
Started	...
Astrometry.net job	2844523
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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SH2-136

SH2-136

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Image Index:

Contribution Index (beta):

SH2-136

SH2-136

Equipment

Acquisition details

Description

Comments

Sky plot

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