M51 - LRGB (william lequin)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: IC 4263 · IC 4278 · M 51 · NGC 5169 · NGC 5173 · NGC 5194 · NGC 5195 · NGC 5198 · NGC 5229 · Whirlpool Galaxy

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M51 - LRGB

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M51 - LRGB

Bonjour a tous !

Voici ma toute première photo L-RVB avec mon ASI294MM.

Le but de la soirée étais tout d'abord de tester ma monture HEQ5 après changement des pignons et vis sans fin (les anciennes étais des première génération connu pour être de piètre qualité) changement des roulement de VSF par des roulement entièrement céramique et changement des courroie par la même occasion.

le résultait : je nais plus de saut erratique. et un guidage beaucoup plus doux, j'étais a 0.45"RMS en moyenne (pour mon échantillonnage a 1.8" c'est impeccable.)

Mon test s'est fait sur M51.

87x120s soit 2.9h de pose.

L - 21x120s Gain 120 à -20°C Bin2

R - 20x120s Gain 120 à 20°C bin2

V - 21x120s Gain 120 à 20°C bin2

B - 25x120s Gain 120 à 20°C bin2

40 DARKS, 40 FLATS, 40 DARK FLATS par filtres.

HEQ5 Pro Rowan - 80ED avec correcteur 0.85x - filtres L-RVB ZWO.

le traitement est mon premier en L-RVB je suis loin de maitrisé encore.

Ma sélection des LIGHTS s'est fait selon la méthodes décrite par Mehdi Abed de la chaine Techniques astrophotographique sur YouTube.

Je pense avoir des bon fichier brute et de bon fichiers de calibration, mais il faut que je les exploite mieux.

Original
B
Final
D

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	4505004
PixInsight job	4RFTFAFG6CA619CCRVP9AQMFG9ATA4N4
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h29m57s.14
RA (top/left)	13h33m52s.94
RA (top/right)	13h34m08s.64
RA (bottom/right)	13h25m52s.20
RA (bottom/left)	13h25m55s.23

Dec (center)	+47°11′30″.9
Dec (top/left)	+46°09′00″.5
Dec (top/right)	+48°12′46″.3
Dec (bottom/right)	+48°13′27″.7
Dec (bottom/left)	+46°09′43″.3

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M51 - LRGB

M51 - LRGB

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M51 - LRGB

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