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Supernova remnants and Planetary nebulae
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18-Nov-09
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21-Sep-09
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Messier 27
S-II=Red, H-a=Green and O-III=Blue
H-a, 4,5h
6x600s, binned 2x2, for O-III and 2x600s, binned 3x3, for S-II.
© J-P Metsavainio
Messier 27
S-II=Red, H-a=Green and O-III=Blue
H-a, 4,5h
6x600s, binned 2x2, for O-III and 2x600s, binned 3x3, for S-II.