Fossil Nebula - SHO (dreamsandmonsters)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: HD232871 · HD232875 · HD25305 · HD25515 · HD25787 · LBN 704 · LBN 705 · LBN 706 · LBN 710 · NGC 1491 · Sh2-206

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Fossil Nebula - SHO

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Fossil Nebula - SHO

I finally took my gear outside again today, after several gloomy months. Tonight, clear skies AND a new moon... who would have thought!
I took the pictures for this nebula sit quite a while, but I never took the time to really try to process it before. So, here it is... the Fossil Nebula, NGC 1491

Always a pleasure to push the curves and see what's up there.

Hope you get some clear skies you too. Cheers!

SHOOTING
-15°c to -20°c camera sensor temperature
x55 Ha, 180secs
x85 Oiii, 180secs
x91 Sii, 180 secs
Total exposure: 11 hour 33 mins
Capturing software: NINA

SKIES
Light pollution: Bortle 5

EDITING
Stacking software: DeepSkyStacker
Editing software: Photoshop

GEAR
Mount: Sky-watcher HEQ-5
Polar alignment: QHYCCD Polemaster
Telescope: William Optics GT 71
Main camera: ZWO ASI294MM PRO (monochrome)
Autoguiding camera: ZWO ASI290mm-mini
Autoguiding scope: William Optics 50mm f/4
Field flattener: HoTech 2" SCA
Filters: ZWO Narrowband Ha SII OIII 7nm
Filter wheel: ZWO 7-Position Electronic Filter Wheel
Dew heaters: Dew-Not (main scope + finderscope)
Dew heater control: Pegasus Powerbox Micro

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	8746342
PixInsight job	X6KD456PRXLTBI73CAWRULW929BS9TKX
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h03m55s.41
RA (top/left)	04h06m45s.85
RA (top/right)	03h56m49s.27
RA (bottom/right)	04h01m12s.37
RA (bottom/left)	04h11m01s.20

Dec (center)	+51°13′23″.4
Dec (top/left)	+52°14′38″.5
Dec (top/right)	+51°13′03″.2
Dec (bottom/right)	+50°11′54″.1
Dec (bottom/left)	+51°12′06″.10

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Fossil Nebula - SHO

Fossil Nebula - SHO

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Image Index:

Contribution Index (beta):

Fossil Nebula - SHO

Fossil Nebula - SHO

Equipment

Acquisition details

Description

Comments

Sky plot

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