LDN1082 - The Seahorse Nebula of Cepheus (Observatório Astrográfico do Boqueirão)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep)

LDN1082 - The Seahorse Nebula of Cepheus, Observatório Astrográfico do Boqueirão

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LDN1082 - The Seahorse Nebula of Cepheus

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LDN1082 - The Seahorse Nebula of Cepheus

The constellation of Cepheus in the north hemisphere in one fo the most fulfilled with nebulae named after animals, such as the Elephant's Trunk nebulae (IC1396), the Shark nebulae (LDN1235), the Flying Bat nebulae with his Squid OIII nebulae inside (Sh2-129), the Lobster Claw nebulae (Sh2-157) among other nebulas with non-related names, and then we have the LDN1082 or the Barnard 150, commonly knowned as the Seahorse nebulae.
This interstellar dark nebulae cloud is so dense that light of the stars behind it and all other background emissions are completly absorbed and the active star formation who takes place inside the nebulae itself is almost invisible to the traditionals instruments.
In a wider field of 300mm or lower you can easly catch the Fireworks galaxy (NGC6946) in one of the corners of the camera sensor, beside some faint Ha signal from a nearby emission nebulae. At the time of this publication, you can even put in the same frame, beside the galaxy and the nebulae, also the comet C/2021 S3 (PANSTARRS).

5h50min = 70 x 300s (Optolong L-Pro) - F/7.1 - Gain 397 - Bin 2x2 - Offset 30 - Focal Lengh 726.80mm
4h20min = 52 x 300s (Astronomik L2 UV-IR) - F/7.1 - Gain 139 - Bin 2x2 - Offset 50 - Focal Lengh 726.80mm

100 Dark Frames + 300 Flats Frames + 100 BIAS Frames + 300 Dark Flat Frames

The Moon was in the first night of acquisition, in the Waning Crescent phase at 40.60% of ilumination, in a Bortle scale of 4 (21.63 Mag/Arc.Sec).

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	10040164
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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LDN1082 - The Seahorse Nebula of Cepheus

LDN1082 - The Seahorse Nebula of Cepheus

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Image Index:

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LDN1082 - The Seahorse Nebula of Cepheus

LDN1082 - The Seahorse Nebula of Cepheus

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