Comet Lovejoy - 24 Jan 2015 (updated) ( dswtan )

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: Solar system body or event

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Comet Lovejoy - 24 Jan 2015 (updated)

Link: https://www.flickr.com/photos/dswtan/16399791076

Powered byPixInsight

Comet Lovejoy - 24 Jan 2015 (updated)

Link: https://www.flickr.com/photos/dswtan/16399791076

Date: Jan. 25, 2015

Time: 00:31

Frames: 8

Focal length: 300

RA center: 02h47m48s.63

DEC center: +32°07′58″.10

Pixel scale: 4.381 arcsec/pixel

Orientation: 22.955 degrees

Field radius: 2.677 degrees

More info:Open

Resolution: 3660x2444

File size: 4.5 MB

Data source: Backyard

Updated processing to get the most out of the tail and clear up the light pollution/haze.

Probably my last one in the current lunar cycle, this is again a DSS 3.3.4 stack of 8x120s (10 darks/flats) at ISO 1600, 300mm f/4 on Canon 5D3 tracked on an Astrotrac, processed in Lightroom to emphasize the tail -- getting much better results now with the longer exposure.

Bonus: lots of cool nice faint fuzzy ~200M light-yr distant galaxies visible on the original 100% in the Perseus-Pisces Supercluster (visible in crop just above and left of coma - NGC 1060/1066 trios in Triangulum).

View of the galaxies in WWT:

http://www.worldwidetelescope.org/wwtweb/goto.aspx?object=ViewShortcut&ra=2.72175275524948&dec=32.4259061797023&zoom=4.29153442382813

And in FaintFuzzies:

http://www.faintfuzzies.com/OR-10-13-12/NGC1060-1066.jpg

Cloudy Nights

Please note: The following tables are updated every 24 hours.

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	Distinct awarded users	Total awarded images
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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.
Dismissals 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	3391728
PixInsight job	4SDARH8S9WUS1H2HQAMQ81UB39VVNGHO
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	02h47m48s.63
RA (top/left)	03h00m16s.63
RA (top/right)	02h40m43s.28
RA (bottom/right)	02h35m29s.92
RA (bottom/left)	02h54m34s.85

Dec (center)	+32°07′58″.10
Dec (top/left)	+32°35′44″.3
Dec (top/right)	+34°21′13″.6
Dec (bottom/right)	+31°35′53″.4
Dec (bottom/left)	+29°53′29″.2

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Comet Lovejoy - 24 Jan 2015 (updated)

Comet Lovejoy - 24 Jan 2015 (updated)

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Comet Lovejoy - 24 Jan 2015 (updated)

Comet Lovejoy - 24 Jan 2015 (updated)

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