SH2-313 a.k.a Abell 35 (Pranay Kanwar)

Celestial hemisphere: Southern · Constellation: Hydra (Hya) · Contains: HD111865 · HD112039 · PK303+40.1 · Sh2-313

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SH2-313 a.k.a Abell 35

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SH2-313 a.k.a Abell 35

SH2-313 a.k.a Abell 35, a planetary nebula in Hydra ~521 ly away. One of the oldest planetary nebulas similar in size to the helix nebula.
The central binary star system, with one of them being a white dwarf, is responsible for the nebula, and their movement together through the nebula produces the bow shock as seen in the center. LoTr 1 and LoTr 2 are only two other known planetary nebula believed to have a binary system. The central binary system is constantly studied as it presents challenges to theories of binary star systems evolution.

LRGB 31h 10m (48:47:46:46 x 600s) from CH-1 Telescope, a Planewave CDK24 with FLI PL 9000 camera and Astrodon 2nd GEN LRGB filters, situated in the Rio Hurtado Valley, Chile. Part of the telescope.live network. Taken on multiple dates, March-April 2022.

Processed in PixInsight.

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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	6242624
PixInsight job	P1JP37PPUWMWV4EAZN0RZE9M8EK5JDHA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h53m28s.251
RA (top/left)	12h54m31s.603
RA (top/right)	12h52m22s.339
RA (bottom/right)	12h52m24s.643
RA (bottom/left)	12h54m34s.351

Dec (center)	-22°53′32″.39
Dec (top/left)	-22°37′59″.99
Dec (top/right)	-22°38′33″.60
Dec (bottom/right)	-23°09′03″.47
Dec (bottom/left)	-23°08′29″.34

Image Index:

Contribution Index (beta):

SH2-313 a.k.a Abell 35

SH2-313 a.k.a Abell 35

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Image Index:

Contribution Index (beta):

SH2-313 a.k.a Abell 35

SH2-313 a.k.a Abell 35

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