Μ57 - The Ring Nebula (lhargb)

Telescope : Officina Stellare 130 Hiper Apo (f/6)

CCD : Atik 428ex

Mount : ΑSA DDM60

Guided : Unguided

Image scale : 1.20 arcsec/pixel

Sub-exposures : RGB bin 1x1 10x300sec

L bin 1x1 200x20 sec

Ηa bin 1x1 15x1800sec

Ηa bin 1x1 9x3600sec

From the album:

· 25 images

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