The Blow Dryer Galaxy - M100 (James Hawks)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: M 100 · NGC 4312 · NGC 4321 · NGC 4322 · NGC 4323 · NGC 4328

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The Blow Dryer Galaxy - M100

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The Blow Dryer Galaxy - M100

Messier 100, aka The Blow Dryer Galaxy, is ~55 million light years away. It is a grand design intermediate spiral galaxy in the Coma Berenices. It is one of the brightest and largest galaxies in the Virgo Cluster and it was one of the first spiral galaxies to be discovered.

This unguided image was captured, in a Queen Creek (Arizona) Bortle 7 backyard, using a Celestron EdgeHD 11" telescope with a 0.7x focal reducer. The telescope is mounted on a 10Micron GM2000 HPS II mount. The camera is a ZWO ASI 2600MC Pro using a Astodon OSC UV-IR Cut filter and an Optolong L-Enhance filter. The image is comprised of 200 200 second exposures and 100 300 second exposures. It was captured over 7 nights (4-4-2022 to 4-23-2022). The images were stacked/processed in Pixinsight and fine-tuning done in Photoshop.

Acquisition:
   Location: Queen Creek, AZ Bortle 7
   Dates: 2022-04-04 to 2022-04-23
   Lights (Dithered, Cooled 0°C, Gain 100):
       200 x 200s (UV-IR)
       100 x 300s (L-Enhance)
   Darks: 25
   Flats: 25
   Dark Flats: 25

Hardware:
   Camera: ZWO ASI 2600MC PRO
   Scope: Celestron EdgeHD 11"
   Focal Reducer: Celestron 0.7x
   Focuser: Prodigy Microfocuser
   Guide Camera: Unguided
   Guide Scope: Unguided
   Mount: GM2000 HPS II
   Filter: Astrodon OSC UV-IR Cut

Software:
   SGP
   Pixinsight
   Photoshop

Processing:
   Repeated separately for UV-IR and L-Enhance
       Stacked in Pixinsight (WBPP, Separate RGB, SubframeSelector, ImageIntegration)
       Pixinsight (ChannelCombination, DCrop, ABE, EZDenoise, MaskedStretch, StarNet2)
   Extract HA from L-Enhance mix with Main RGB Image
   AstroFlat Pro in Photoshop
   Camera Raw Filter in Photoshop
   Color/Levels Adjustments

N.I.N.A. Users

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	Distinct awarded users	Total awarded images
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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
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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	5706119
PixInsight job	PBR13UP0NOGLXOEWRVFXBR4ET1U2IJ8A
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h22m53s.229
RA (top/left)	12h23m47s.597
RA (top/right)	12h23m46s.981
RA (bottom/right)	12h21m58s.719
RA (bottom/left)	12h21m59s.999

Dec (center)	+15°44′30″.39
Dec (top/left)	+15°25′06″.96
Dec (top/right)	+16°04′01″.34
Dec (bottom/right)	+16°03′52″.78
Dec (bottom/left)	+15°24′58″.72

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The Blow Dryer Galaxy - M100

The Blow Dryer Galaxy - M100

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The Blow Dryer Galaxy - M100

The Blow Dryer Galaxy - M100

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