M74 (Filippo Scopelliti)

Celestial hemisphere: Northern · Constellation: Pisces (Psc) · Contains: M 74 · NGC 628

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M74

Acquisition type: Lucky imaging

Powered byPixInsight

M74

Acquisition type: Lucky imaging

During the last Month I had 3 nights of nice weather in which I had the chance to collect Luminance with my ASI 294 MM (October 10-11) and Color (October 27) with my ASI 294 MC of this very nice galaxy. If the weather conditions had been better I would probably have collected more integration but it is not the case for this season of very bad atmospheric condition. It was my usual technique of short exposure in alt-az mode with my dobsonian. Pre- and Post-processing with PixInsight only (I think it is the last time I do that because it was 30 hours of stack respect to the usual 3-4 hours with SiriL even if probably frame selection and in general the overall process seems more accurate).
Nauris Mirrage Dobson 600mm f3.8
StellarCAT - Nexus DSC
ASI294MM 1,5 sec x 3762 Gain 400 -10°
ASI294MC 1,5 sec x 4103 Gain 400 -10° Bin 2
Astronomik L2 filter
Dark x 100
Paracorr type 2
Falcon derotator
SharpCap - PixInsight

Original
Final
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D

Description: Less saturation and less high lights as adviced.

Uploaded: ...

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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	5174693
PixInsight job	FH7TENYF6RN41UBR0AI2F268240OAUTU
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h36m42s.180
RA (top/left)	01h35m48s.663
RA (top/right)	01h36m49s.380
RA (bottom/right)	01h37m35s.426
RA (bottom/left)	01h36m34s.613

Dec (center)	+15°47′03″.36
Dec (top/left)	+15°50′10″.00
Dec (top/right)	+15°33′57″.54
Dec (bottom/right)	+15°43′56″.57
Dec (bottom/left)	+16°00′09″.11

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Image Index:

Contribution Index (beta):

M74

M74

Equipment

Acquisition details

Description

Comments

Revisions

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Sky plot

Histogram

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