A litte loner, NGC5643 spiral galaxy in Lupus (AnakChan)

Celestial hemisphere: Southern · Constellation: Lupus (Lup) · Contains: HD127566 · HD127627 · NGC 5643

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A litte loner, NGC5643 spiral galaxy in Lupus

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A litte loner, NGC5643 spiral galaxy in Lupus

NGC5643 is a little spiral galaxy in Lupus, the Wolf. Different reports have listed it as a distance of 37-40 million lightyears away and approx 55k lightyears across (i.e. a little over 1/2 of our Milky Way). This spiral is a loner and a small target in the Southern Hemisphere which makes is rather uninspiring to most astrophotographers (as such few pictures of it). However it's a nice little challenge to acquire, then to process it.

The image was taken with the following specs :-

Takahashi µ250CRS @ native F10 2500mm FL
ASA DDM60 Std (all sky modelling , no guiding)
ZWO ASI6200MM Pro sensor chilled to -10C, Bin1x1 (yes way oversampled), 0 Gain 50 Offset
50x darks
50x flat darks for each LRGB channel
50x flats for each LRGB channel
452x 60sec Lum
22x 180sec Red
43x 180sec Green
43x 180sec Blue
Total = shy of 13 hrs

Cloudy Nights

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	Distinct awarded users	Total awarded images
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Deep sky
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Star trails
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Distribution of data sources

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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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	7384814
PixInsight job	DD8LTGOXJ093S4CUW57WL1DGZ7JGE3QK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h32m43s.606
RA (top/left)	14h34m01s.304
RA (top/right)	14h34m04s.302
RA (bottom/right)	14h31m26s.592
RA (bottom/left)	14h31m21s.758

Dec (center)	-44°10′43″.99
Dec (top/left)	-44°34′07″.47
Dec (top/right)	-43°47′40″.45
Dec (bottom/right)	-43°47′15″.81
Dec (bottom/left)	-44°33′42″.87

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A litte loner, NGC5643 spiral galaxy in Lupus

A litte loner, NGC5643 spiral galaxy in Lupus

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A litte loner, NGC5643 spiral galaxy in Lupus

A litte loner, NGC5643 spiral galaxy in Lupus

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