Astr110, Spring 2005: Spindle Galaxy, Sarah Roorda

Calvin Observatory

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Astr110 Photography Projects, Spring 2005

Spindle Galaxy, Sarah Roorda

This image is the Spindle Galaxy which is a part of the well known Adromeda Galaxy. It is a lenticular, a "spiral galaxy without spiral structure", i.e. a smooth disk galaxy, where stellar formation has stopped because the interstellar matter was used up.

It was discovered by William Herschel in 1787. It has an apparent magnitude of 9.1 and it appears 8.3 by 3.2 arcminutes in size.

Right Ascension (J2000)	10h 05m 14.1s
Declination (J2000)	+07°43'07"
Filters used	blue(B), green(V), red(R), and clear(C)
Exposure time per filter	60 seconds each in R,V,B,C
Date observed	March 03, 2005 (BVRC)

References:

Absolute Astronomy

SEDS Org