LDN 1251 ( Marco Prelini )

Celestial hemisphere: Northern · Constellation: Cepheus (Cep)

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LDN 1251

Link: https://astro.digitalcurse.com/2020/09/26/ldn-1251/

Powered byPixInsight

LDN 1251

Link: https://astro.digitalcurse.com/2020/09/26/ldn-1251/

Imaging Telescopes Or Lenses: Sky-Watcher Explorer 200PDS
Imaging Cameras: ZWO ASI294MC Pro
Mounts: Sky-Watcher AZ-EQ6 GT
Filters: Baader UV/IR Cut / Luminance
Accessories: Baader 2" MPCC Mark III Newton Coma Corrector (2458400A)
Software: Adobe Photoshop · Main Sequence Software Sequence Generator Pro (SGP) · Pleiades Astrophoto PixInsight
Guiding Telescopes Or Lenses: Artesky Ultraguide 60
Guiding Cameras: ZWO ASI120MM Mini

Dates:: Sept. 18, 2020
Frames:: 31×600″(5h 10′) (gain: 120.00) -10°C bin 1×1
Integration:: 5h 10′
Darks:: 31
Flats:: 31
Flat darks:: 31
Avg. Moon age:: 1.21 days
Avg. Moon phase:: 1.64%
Bortle Dark-Sky Scale:: 3.00
Mean SQM:: 21.60
Temperature:: 10.00

Basic astrometry details

Astrometry.net job: 3893149

RA center: 22h33m42s.7

DEC center: +75°12′14″

Pixel scale: 0.946 arcsec/pixel

Orientation: 4.830 degrees

Field radius: 0.641 degrees

Resolution: 4011x2775

File size: 5.3 MB

Locations: Osservatorio di Febbio, Febbio, Reggio Emilia, Italy

Data source: Traveller

Down in the Cepheus molecular complex, there is this dark nebula. Its elongated shape is due to the interaction with the bubble of a supernovae explosion.

The red stains inside the darkest part of the nebulae are Herbig-Haro objects caused by new born stars forming. New worlds are going to rise there.

Imagers of Italy
The OSC Club (One Shot Camera)
ZWO ASI 294MC PRO
Cloudy Nights

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

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.
Dismissals 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	3893149
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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LDN 1251

LDN 1251

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LDN 1251

LDN 1251

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