NGC2403 GX SBC (Cam) HII Rgn (Little M33 ) - 1.5 hours OSC (John Jennings)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: NGC 2403 · NGC 2404

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NGC2403 GX SBC (Cam) HII Rgn (Little M33 ) - 1.5 hours OSC

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NGC2403 GX SBC (Cam) HII Rgn (Little M33 ) - 1.5 hours OSC

It is an outlying member of the M81 Group, and is approximately 8 million light-years distant.

This one was difficult for me to process. In addition to my normal routines, I used StarTools on original image.
On the revised image I used PixInsight, BlurXTerminator & NoiseXTerminator. What a difference.

HISTORY   1 Stacking method SIGMA CLIP AVERAGE
HISTORY   2 De-mosaic bayer pattern used RGGB
HISTORY   3 Colour conversion: AstroSimple interpolation.
EXPTIME    = 5400 / Total luminance exposure time in seconds.
LUM_EXP    = 300 / Average luminance exposure time.
LUM_CNT    = 18 / Luminance images combined.
LUM_DARK   = 30 / Darks used for luminance.
LUM_FLAT   = 30 / Flats used for luminance.
LUM_BIAS   = 25 / Flat-darks used for luminance.
LUM_TEMP   = -5 / Set temperature used for luminance.

Original
Final
B

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

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
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

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
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
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	Advanced success
Started	...
Astrometry.net job	7742056
PixInsight job	LUE6Y9WA3JR1QFXHOZSSZN9BXRT7XCK3
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h36m50s.202
RA (top/left)	07h35m20s.897
RA (top/right)	07h38m19s.699
RA (bottom/right)	07h38m20s.940
RA (bottom/left)	07h35m19s.384

Dec (center)	+65°36′48″.96
Dec (top/left)	+65°25′03″.63
Dec (top/right)	+65°25′04″.48
Dec (bottom/right)	+65°48′30″.70
Dec (bottom/left)	+65°48′29″.51

Image Index:

Contribution Index (beta):

NGC2403 GX SBC (Cam) HII Rgn (Little M33 ) - 1.5 hours OSC

NGC2403 GX SBC (Cam) HII Rgn (Little M33 ) - 1.5 hours OSC

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Image Index:

Contribution Index (beta):

NGC2403 GX SBC (Cam) HII Rgn (Little M33 ) - 1.5 hours OSC

NGC2403 GX SBC (Cam) HII Rgn (Little M33 ) - 1.5 hours OSC

Equipment

Acquisition details

Description

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Sky plot

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