M 102 (NGC 5866) - The Spindle Galaxy (James E.)

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: M 102 · NGC 5826 · NGC 5862 · NGC 5866 · NGC 5867 · NGC 5870 · Spindle galaxy

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M 102 (NGC 5866) - The Spindle Galaxy

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M 102 (NGC 5866) - The Spindle Galaxy

M102 was observed by Pierre Mechain, who was a collaborator with Charles Messier on the compilation of his famous list, in late March or early April 1781. It was added by Messier in the final version of his catalogue published in 1781 but didn't include the coordinates which led to confusion of the exact object they observed. In 1783, Mechain retracted the discovery by noting that it was a duplication of M101 due to chart errors.

The Spindle Galaxy is an edge-on lenticular in Draco and about 44 million light years distant. It has an extended complex dust lane appearing dark and red while many of the bright stars in the disk give it a bluer underlying hue. The blue disk of young stars can be seen extending past the dust in the extremely thin galactic plane. Some astronomers believe the spiky diffuse shell around the galaxy is the debris of an accreted (absorbed) satellite that occurred so long ago that it had time to fully mix along its orbit.

Additional Lum data acquired in 2021 was also used.

Imaged over several nights: Jun 4-5, 2021; May 2, 5, 2022.

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Images from the EdgeHD Series
ZWO ASI2600MM Pro
Schmidt-Cassegrain Telescope (SCT) Imagers
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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.
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Status	Advanced success
Started	...
Astrometry.net job	5779377
PixInsight job	EPC07DUHDW4YAM599HYKETEIZ6IEVE45
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	15h06m36s.866
RA (top/left)	15h07m34s.710
RA (top/right)	15h07m52s.244
RA (bottom/right)	15h05m37s.967
RA (bottom/left)	15h05m22s.888

Dec (center)	+55°40′13″.58
Dec (top/left)	+55°25′14″.87
Dec (top/right)	+55°53′41″.33
Dec (bottom/right)	+55°55′14″.98
Dec (bottom/left)	+55°26′49″.90

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M 102 (NGC 5866) - The Spindle Galaxy

M 102 (NGC 5866) - The Spindle Galaxy

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M 102 (NGC 5866) - The Spindle Galaxy

M 102 (NGC 5866) - The Spindle Galaxy

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