Andromeda Galaxy NGC224 (M31)


<click here to enlarge>

Object Data
Description M31 is the most famous spiral galaxy in the sky. It is by far the largest of the three large spirals in our local group of galaxies.
Constellation Andromeda the Princess
Right Ascension 0h 42m 57s
Declination +41° 17' 23"
Magnitude 4.3
Angular size 189 arcminutes
Distance 0.7 megaparsecs (2.25 million light years)
Radial Velocity -300 kilometers per second (approaching)
Image Data
Photographer Fred Lehman
Main Scope Meade 14" LX200GPS
Imaging Scope Celestron 5" SCT @ f/3.3 (415mm)
Guide Camera Not needed
Imaging Camera Starlight Xpress MX7C
Resolution 1440 x 1065 @ 4.1 arcseconds per pixel, reduced to 780 x 575 @ 7.6 arcseconds per pixel.
Exposure Mosaic of four frames with fifteen exposures of one minute each. Aligned, stacked, and processed with AstroArt. The four frames were combined with Picture Publisher.
Date December 13, 2003
Location North shore of Jim Lake in Dupuis Nature Preserve in central South Florida.


StarFred Home Page