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Astr110 Photography Projects, Fall 2007

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Deerlick Galaxy (NGC 7331), Tim Baker

Deerlick Galaxy

The Deer Lick Group is about 50 million light years away from Earth. The above picture primarily focuses on the Galaxy NGC7331, which looks remarkably like our own Milky Way Galaxy when looked at straight on. From Earth's point of view, however, this Galaxy appears to be turned on its side. This Galaxy is the brightest of the galaxies in this group. It has a magnitude of around 10.3. There are 5 other galaxies in the Deer Lick Group surrounding NGC7331 (even though not all are seen in the above photo). The names of these nearby Galaxies are MCGC-49-44, NGC 7340, NGC7337, NGC7336, NGC7335. The name of this Galaxy group was coined by an unknown observer just off Blue Ridge Parkway in the mountains of North Carolina. The Galaxy group can be found in the constellation of Pegasus.

This picture shows NGC 7331’s well defined spirals surrounding its core and clearly defines between rows of stars (light cloudy spirals) and lines of Black, which is made up of dust made up of space debris. This dust is used in the creation of new stars giving them material to burn in their core. When a star goes supernova at the end of its life, it releases the contents of its core, which condenses back into dust. This picture focuses mainly on NGC7331 because the other Galaxies are not very defined due to the this picture being taken during a full moon, which defuses dimmer objects. Two of the Galaxies remain in the picture just to the left of NGC7331. The Bottom Galaxy is NGC 7337 and the Galaxy above it is called NGC7336.

References:de Regt, Mark.. "Deerlick Galaxy Group" Mark de Regt's Astronomical Images. <http://www.de-regt.com/Astronomy/DeerLick.htm>

Professor Molnar' Lecture.

Right Ascension (J2000) 22:37:24.6
Declination (J2000) +34:25:42
Filters used blue(B), green(V), red(R), and clear(C)
Exposure time per filter 5x60 seconds in C, 300 seconds in BVR
Date observed

October 23, 2007 (C)
October 23, 2007 (BVR)