Abell 21 - Medusa Nebula (Hunter Outten)

Celestial hemisphere: Northern · Constellation: Gemini (Gem) · Contains: HD59152 · HD59179 · HD59309 · HD59432 · HD59450 · NGC 2395 · PK205+14.1 · Sh2-274

Powered byPixInsight

Abell 21 - Medusa Nebula

Revision title: Abell 21 - Medusa Nebula

Link: https://www.instagram.com/outtenastrophotography/

Powered byPixInsight

Abell 21 - Medusa Nebula

Revision title: Abell 21 - Medusa Nebula

Link: https://www.instagram.com/outtenastrophotography/

Abell 21 / Medusa Nebula
Braided and serpentine filaments of glowing gas suggest this nebula's popular name, The Medusa Nebula. Also known as Abell 21, this Medusa is an old planetary nebula some 1,500 light-years away in the constellation Gemini. Like its mythological namesake, the nebula is associated with a dramatic transformation. The Medusa's transforming star is the faint one near the center of the overall bright crescent shape. In this deep telescopic view, fainter filaments clearly extend above and right of the bright crescent region. The Medusa Nebula is estimated to be over 4 light-years across.

Image acquisition:
14 hours total (240sec subs)
Explore Scientific 102mm EDT
ZWO ASI 2600MC-Pro Gain 100/-20c
Optolong L-Ultimate
ioptron gem28
WBPP/Pixinsight/ASIAIR

Original
B
Final
C

B

Title: Abell 21 - Medusa Nebula

Uploaded: ...

C

Title: Abell 21 - Medusa Nebula

Description: 14 hours total integration

Uploaded: ...

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	7023636
PixInsight job	HXG0V3TLMY3C9KLP0LW42XVKW2O6VBLO
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h29m07s.500
RA (top/left)	07h30m43s.967
RA (top/right)	07h32m39s.363
RA (bottom/right)	07h27m29s.288
RA (bottom/left)	07h25m35s.746

Dec (center)	+13°15′30″.80
Dec (top/left)	+12°09′55″.15
Dec (top/right)	+14°02′22″.20
Dec (bottom/right)	+14°21′00″.81
Dec (bottom/left)	+12°28′32″.23

Image Index:

Contribution Index (beta):

Abell 21 - Medusa Nebula

Revision title: Abell 21 - Medusa Nebula

Abell 21 - Medusa Nebula

Revision title: Abell 21 - Medusa Nebula

Equipment

Acquisition details

Description

Comments

Revisions

B

C

Sky plot

Histogram

		...
You have no new notifications.

Image Index:

Contribution Index (beta):

Abell 21 - Medusa Nebula

Revision title: Abell 21 - Medusa Nebula

Abell 21 - Medusa Nebula

Revision title: Abell 21 - Medusa Nebula

Equipment

Acquisition details

Description

Comments

Revisions

B

C

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?

Delete this revision?

Delete this revision?

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