Caldwell 49 Rosette Nebula (Kyle Desrosier)

Caldwell 49 Rosette Nebula

Link: https://www.instagram.com/p/CUyojh8D8PK/

I shot this for my 17 month old niece, Rose. I plan on getting it printed and having her parents hang it in her room. My hope is that it will one day foster an interest in science and astronomy as she looks at it with wonder while growing up. If not that, then at least an appreciation for how beautiful the Universe is.

Processing Details:

Pre-processing (for each channel):

- Blink

- ImageCalibration

- CosmeticCorrection

- SubframeSelector

- StarAlignment

- ImageIntegration

- DrizzleIntegration

- DynamicCrop

- BackgroundModelization

- Deconvolution: DynamicPSF, star mask for local support, masked w/ starless binary range mask

- MultiscaleLinearTransform: lightness NR, attenuated w/ inverted low contrast mask

Ha:

- LinearFit: -> Ha

HOO:

- ChannelCombination (pure HOO)

- BackgroundModelization

- BackgroundNeutralization

- ColorCalibration

- HistogramTransformation: non-linear

- TGVDenoise: luminance for local support, attenuated w/ inverted low contrast mask

- HDRMultiscaleTransform: masked w/ starless binary range mask, 65% amount using PixelMath

- LocalHistogramEqualization: large structures, masked w/ starless binary range mask

- LocalHistogramEqualization: small structures, masked w/ starless binary range mask

- DarkStructureEnhance

- MultiscaleMedianTransform: lightness NR, heavily attenuated w/ inverted low contrast mask

- MultiscaleMedianTransform: chrominance NR, attenuated w/ inverted low contrast mask

- ColorSaturation: masked w/ starless binary range mask

- CurvesTransformation: masked w/ starless binary range mask

- MultiscaleMedianTransform: lightness NR, heavily attenuated w/ inverted low contrast mask

- CurvesTransformation: removed stubborn cyan gradients, masked w/ cyan color mask

- HistogramTransformation: darkened background

- MorphologicalTransformation: reduced star sizes, masked w/ star mask

- ExponentialTransformation: attenuated w/ inverted low contrast mask

/r/astrophotography

	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

	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
Artificial satellite

	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

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	...
PixInsight job	J77812UO8KZ5U6PGB1ZZPOEPDCYTAV6A
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	06h31m54s.76
RA (top/left)	06h25m59s.99
RA (top/right)	06h35m57s.61
RA (bottom/right)	06h37m50s.64
RA (bottom/left)	06h27m51s.17

Dec (center)	+04°59′45″.1
Dec (top/left)	+04°21′56″.4
Dec (top/right)	+03°44′57″.4
Dec (bottom/right)	+05°37′21″.1
Dec (bottom/left)	+06°14′26″.7

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AstroBin

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