M51 "Whirlpool Galaxy"
L:R:G:B = 380:90:90:180 min
RC 10" AstroSib f/8 + 10micron GM2000 mount + SBIG
ST8 + CFW8
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M51 "Whirlpool Galaxy" L:R:G:B = 380:90:90:180 min RC 10" AstroSib f/8 + 10micron GM2000 mount + SBIG
ST8 + CFW8 |