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Astronomy Science Data, POSS-I
M45, Pleiades open star cluster


POSS-I: M45, Pleiades
Coordinates/Direction : RA: 03h47m, DEC: +24o07'
Object size : 110' (whole image 96' x 120')
Object magnitude : 1.6
Object : Messier 45
Date : 1948 to 1959
Lens/telescope : Samuel Oschin Telescope
Film/CCD : POSS-I, credits: STScI
Exp. time : Red 50 minutes, Blue 10 minutes
Image process tool : AstroImageJ, Fitswork, Irfanview
Processing : Green channel from average of red and blue
Site : Mount Palomar, USA
Comment : Compare what you get from your own telescope.
More to know : Wikipedia:
https://en.wikipedia.org/ wiki/ Pleiades
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