M101 (mirko tondinelli)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: HD122865 · M 101 · NGC 5447 · NGC 5449 · NGC 5450 · NGC 5451 · NGC 5453 · NGC 5455 · NGC 5457 · NGC 5461 · NGC 5462 · NGC 5471 · Pinwheel galaxy

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M101

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M101

M101 rielaborazione con workflow nuovo..... La Galassia Girandola (nota anche come M 101, o NGC 5457) è una galassia a spirale nella costellazione dell'Orsa Maggiore. La galassia fu scoperta nel 1781 da Charles Messier e da Pierre Méchain. William Herschel fu il primo a osservare delle piccole macchie (che in realtà erano dei frammenti dei bracci a spirale) circondare la galassia. L'aggiunta dell'emissione a metà l'ho eseguita seguendo il tutorial di Edoardo Luca Radice. Ottimo!. Con pixinsight oramai faccio solo le prime fasi di postelaborazione...Linear fit, dbe, deconvoluzione.Poi salvo e il resto tutto con Photoshop Skywatcher 10" f4.7 + coma correttore f4-f6 #Artesky Zwo Asi 294 mc pro Skywatcher 80/400 (teleguida)Zwo Asi 224 mc (guida telecamera)EQ6 PRO mod RowanFiltro L-pro optolong 2"Filtro Halfa Baader 2" da 7nm ------------------------------DATI RIPRESA------------------ ----------- 105 Light da 180" Guadagno 120/offset 8 -10° L-pro24 Light da 300" Guadagno 120/offset 8 -10° HaScuro: 50Appartamento :50DarkFlat: 50Guidonia Montecelio (RM). -----------------------------SOFTWARE-------------------- -------------- Sharp: messa in polareAzzeccato: acquisizione lucePHguiding dev 4: guidaPixinsight e Photoshop: elaborazione.

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	5560100
PixInsight job	SU1BMMZ5YDNGHQBHISSZX40XE0OI9T1G
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h03m12s.426
RA (top/left)	14h05m05s.679
RA (top/right)	14h05m04s.428
RA (bottom/right)	14h01m17s.204
RA (bottom/left)	14h01m22s.400

Dec (center)	+54°22′26″.94
Dec (top/left)	+54°00′55″.60
Dec (top/right)	+54°44′14″.71
Dec (bottom/right)	+54°43′53″.22
Dec (bottom/left)	+54°00′33″.76

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M101

M101

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Image Index:

Contribution Index (beta):

M101

M101

Equipment

Acquisition details

Description

Comments

Sky plot

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