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Ngc 7331


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NGC 7331

 

Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier''s famous 18th century catalog. Since the galaxy''s disk is inclined to our line-of-sight, long telescopic exposures often result in an image that evokes a strong sense of depth. The effect is further enhanced in this sharp image by galaxies that lie beyond the gorgeous island universe. The background galaxies are about one tenth the apparent size of NGC 7331 and so lie roughly ten times farther away. Their close alignment on the sky with NGC 7331 occurs just by chance. Seen here through faint foreground dust clouds lingering above the plane of Milky Way, this visual grouping of galaxies is also known as the Deer Lick Group.

 

Optics: Vixen VC200L @ f/6.4

Mount: Skywatcher HEQ5 Synscan Pro

Guiding: SBIG ST2000XM ST4

Camera: SBIG ST2000XM

Filter Wheel: SBIG CFW9

Filters: Astronomik LRGB

CCD Temperature: 0 degrees Celsius

Constellation: Pegasus

Date: Aug 31, 2019

Location: Korinthos - Greece - Albireo Observatory I

Exposure:

Lum: 22x5 min bin 1x1

Calibration: Darks, Flats, Bias

Acquisition: ACP Expert

Processing: Pixinsight


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