M53 and NGC 5053 (lefty7283)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: M 53 · NGC 5024 · NGC 5053

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M53 and NGC 5053

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M53 and NGC 5053

Because of the clear nights, full moon and lack of Ha targets to the east, I am continuing to image star clusters this week. Despite their visual differences, M53 and NGC 5053 are actually both globular clusters orbiting our Milky Way. Captured on the morning of March 20th, 2019 from a bortle 7 zone.

**Equipment:**

* TPO 6" F/4 Imaging Newtonian

* Orion Sirius EQ-G

* ZWO ASI1600MM-Pro

* Skywatcher Quattro Coma Corrector

* ZWO EFW 8x1.25"/31mm

* Astronomik LRGB Filters- 31mm

* Agena 50mm Deluxe Straight-Through Guide Scope

* ZWO ASI-120MC for guiding

* Moonlite Autofocuser

**Acquisition:** 2 hours 59 minutes (Camera at Unity Gain, -20°C)

* Lum- 178x30"

* Red- 30x60"

* Green- 30x60"

* Blue- 30x60"

* Darks- 30

* Flats- 30 per filter

**Capture Software:**

* EQMod mount control. Captured using [N.I.N.A.](https://nighttime-imaging.eu/) and PHD2 for guiding and dithering.

**[PixInsight Processing](https://i.imgur.com/qkIFaPa.png):**

* BatchPreProcessing

* StarAlignment

* ImageIntegration

* DynamicCrop

* DynamicBackground Extraction 2X

* **Luminance:**

* TVG/MMT Noise Reduction

* HistogramTransformation

* CloneStamp to remove [some artifacts from bad flats](https://i.imgur.com/IzmcGeU.png). (Only the most noticeable were removed)

* **RGB:**

* LinearFit to Green

* ChannelCombination

* PhotometricColorCalibration

* ABE

* SCNR

* HSV Repair

* ArcsinhStretch

* HistogramTransformation

* LRGBCombination with Luminance

* RangeSelection

* [Curve](https://i.imgur.com/EPNVFcr.jpg)Transformations

* Annotation

/r/astrophotography
Broadband under Bortle 7/8/9
ZWO ASI1600MM/QHY163M
Suburban Astrophotography

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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	3173659
PixInsight job	0C1NGM0Z54Y0OYNCBSJYTB51X5G9S18G
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h14m38s.46
RA (top/left)	13h10m52s.97
RA (top/right)	13h17m21s.53
RA (bottom/right)	13h18m25s.14
RA (bottom/left)	13h11m54s.35

Dec (center)	+17°59′27″.0
Dec (top/left)	+17°36′39″.8
Dec (top/right)	+17°15′54″.9
Dec (bottom/right)	+18°21′57″.9
Dec (bottom/left)	+18°42′45″.6

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M53 and NGC 5053

M53 and NGC 5053

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M53 and NGC 5053

M53 and NGC 5053

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