M83, Southern Pinwheel (pemag)

Celestial hemisphere: Southern · Constellation: Hydra (Hya) · Contains: M 83 · NGC 5236 · Southern Pinwheel Galaxy

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M83, Southern Pinwheel

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M83, Southern Pinwheel

Capture Location: Athens & Kryoneri (Corinthia), Greece.

Capture Dates: April 30, May 1 & 24, 2020.

Subframes: L 15*60s (dark sky), R 11*60s (dark sky), G 55*60s (polluted sky), B 52*60s (polluted sky), (Gain 139, -15°C).

Total integration time: 2h:12m (132 min).

Calibration frames: 80 flats, 40 darks, 100 bias.

Imaging Camera: ZWO ASI1600MM Pro.

Guide Camera: ZWO ASI224.

Guide Scope: Celestron Off Axis Guider.

Filter Wheel: ZWO Electronic 8-position Filter Wheel.

Filters: ZWO New -2018- LRGB Filters Optimized for ASI1600.

Reducer: Celestron Reducer / Corrector f/6.3.

Scope: Celestron SCT 9,25”.

Mount: Celestron Evolution (Alt/Az) on a Celestron Heavy Duty Equatorial Wedge.

Capture Software: N.I.N.A.

Auto-guiding Software: PHD2.

Planetarium: Stellarium with Stellariumscope.

Pre-processing: Pixinsight.

Post-processing: Pixinsight & Photoshop.

Imaged with APT
ZWO ASI1600MM/QHY163M
Imaged with N.I.N.A.
Astrophotography in Greece

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	Distinct awarded users	Total awarded images
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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
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	Image of the day	Top pick	Top pick nominations	Total submitted
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Amateur hosting facility
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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	4579410
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M83, Southern Pinwheel

M83, Southern Pinwheel

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M83, Southern Pinwheel

M83, Southern Pinwheel

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