Horsehead and Flame Nebulae (Alex)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Flame Nebula · IC 434 · NGC 2023 · NGC 2024 · Orion B · The star Alnitak (ζOri)

Powered byPixInsight

Horsehead and Flame Nebulae

Powered byPixInsight

Horsehead and Flame Nebulae

This was attempt number 4 at capturing the horsehead nebula since getting my ASI camera. I had a reasonable previous image taken with my Sony Alpha mirrorless camera, but every time I tried to get a new image something would go wrong, usually the weather, but I also wasted 90 mins of images after not re-engaging

guiding after a stopping the EKOS scheduler after making a mistake when starting it going. Frustrating when clear skies have been very rare this winter.

After all that, I'm fairly happy with this image. I think the colours could do with a tweak and I think I've pushed the brightness a bit too much and brought out a little too much noise, but for all that it's not too bad.

Equipment:

iOptron CEM25P mount

Skywatcher ED80 DS Pro (510mm Focal Length with 0.85x Reducer/Flattener)

ZWO ASI 183MM Pro Imaging Camera (Cooled to -15 degC)

ZWO ASI 120MM-S Guide Camera

ZWO Mini EFW

ZWO OAG

Rock Pi X running Ubuntu with KStars and EKOS/INDI for capture and guiding

Acquisition:

Nights of the 23rd Jan and 3rd Feb 2021

159 x 60secs Luminance

16 x 180secs Red

16 x 180secs Green

16 x 180secs Blue

303 mins Total Exposure

90 darks (per exposure duration)

25 flats (per filter)

256 bias

Pre-Processing:

Sub frames evaluated and selected using ASTAP

Stacked in Siril using Sirilic

Main Image Processing in Star Tools:

Bin 50%

Crop

Wipe

Develop

Deconvolution

HDR

Contrast

Colour

De-Noise

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	4212689
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

Image Index:

Contribution Index (beta):

Horsehead and Flame Nebulae

Horsehead and Flame Nebulae

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

Image Index:

Contribution Index (beta):

Horsehead and Flame Nebulae

Horsehead and Flame Nebulae

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

Notifications

AstroBin is in READ ONLY mode

Sorry :-(

Sorry :-(

Sorry :-(

Are you really sure?

Warning!

Warning!

Are you sure?

Report abuse

Slideshow settings

IOTD/TP stats (last [x] days)

Distribution of astrophotographers

Distribution of subject types

Distribution of data sources

Sorry

Sorry

Share

Upload new revision

Upload uncompressed source (XISF/FITS/PSD/TIFF)

Delete image and all its revisions?

Delete original image?

Delete all other versions?

Delete all revisions?

IOTD/TP stats

The following people like this image

The following people bookmarked this image

Warning

Flag malfunctioning thumbnails

Contains

Remove yourself as a collaborator

Plate-solving information