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Physics & Astronomy Department

Astr110 Photography Projects, Fall 2007

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Nebula (NGC 6995), Jennifer Kingma

Nebula NGC6995

The Nebula NGC 6995 is only a small portion of a larger Nebula called the Veil Nebula. This large Nebula is a result of the explosion of a supernova over 15,000 years ago. The Veil Nebula itself is remnants of what remains from the supernova called the Cygnus loop. A super nova is a stellar exposition that creates an extremely luminous object in the sky. A supernova causes a burst of radiation that may briefly outshine its entire host galaxy before fading from view over several weeks or months This particular nebula is almost 1,400 light years away from our home planet and is near the constellation called Cygnus. The Veil Nebula is said to have been a result of an explosion of one or possibly two supernovae. Within the Nebula is a bright star known as 52 Cygnus, that is not apart of the supernova at all. Witnesses to this original stellar explosion would have seen what appeared to be a star in the heavens, roughly the brightness of the moon.

The background stars are a wonderful contrast to the nebulas bright colours and aids in viewing in its beauty. While we can view its radiance and colours it is still difficult for us to be able to see its true beauty in its entirety, due to the vast amounts of starts clustered in and around the Nebula. The linear distance of this nebula is 9.7 light years, which is only the small eastern arc of the Veil Nebula which is 2066.1 light years in linear distance. As we can see the NGC 6995 nebula is only small portion of the Veil Nebula. The Eastern arc reaches out which resembles that of a hand, known as NGC 6995 Nebula. The brightest part of the nebula falls between NGC 6995, and its hand like features reach out like that of a frayed rope. This picture is quite beautiful however the one draw back from this photograph is the small heart shape near the top of the photo where a small moth had entered the picture.

References:
Hester, J. J. . "Veil Nebula."Astronomy Picture of the day.
<http://www.antwrp.gsfc.nasa.gov/apod/ap960307.html>

Solomon, Jim. " NCC 6960, NGC 6992, NGC 6995 (Veil Nebula Widefield)". http://www.saratogaskies.com/image.pl?i=19

Right Ascension (J2000) 20:57:060
Declination (J2000) 31:13:00
Filters used blue(B), green(V), red(R), and clear(C)
Exposure time per filter 300 seconds in (BVRC)
Date observed

October 23, 2007 (BCVR)