NGC 7331

Object Information:                  NGC 7331,
                                                Magnitude  -  9.5,
                                                Spiral Galaxy Type - SA(s)b I-II,
                                                Constellation -  Pegasus,
                                                Distance -  estimated to be approximately 48 million light years distant,
                                                Size -  Unknown.

Imaged at:                                Mt. Laguna, Cleveland National Forest, San Diego County, California;
                                                Elevation - 5500 feet

Equipment:                               Optics - Takahashi MT-160 at f/6.3,
                                                Mount - Losmandy G-11 with SkyWalker Servo drive,
                                                Camera - Santa Barbara Instrument Group (SBIG) ST-7E NABG CCD,
                                                Focal Reducer/Field Flattener - none,
                                                Filter - none,

Exposure Information:              July 13, 2002
                                                Sum of twenty-eight, 300 second exposures,
                                                Guided with the SBIG STV,

Image Acquisition Software:     CCD Soft Ver. 5,

Image Processing Software:      Image calibration - AIP for Windows; Image registration and stacking - MIRA AP 6.03;  Final processing - Photoshop 7.

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All the images in this site are © Copyright 2002 by Dean Jacobsen.
Any use of these images without the prior written consent or knowledge of the author is strictly prohibited.
Contact Dean at deanjacobsen@adelphia.net  for more information.