This image of M3 was obtained on Feb 20 - 21: 42 x 5min subs (3hrs 30min) through a 10in F8 SCT (using a Starizona LF SCT reducer) and an ASI071MC Pro camera, Meade LPI-GM advanced guide camera (gain 70), on a CEM60 mount. All aspects of image acquisition, centring, autofocus and OAG autoguiding, starting with the mount parked, was robotically controlled by Astroart-9 SP3. All processing with AA9 SP3. I recommissioned this 36 year old Meade 10in F10 SCT to temporarily replace my 10in F6.3 SCT, pending having it's secondary mirror re-aluminized.
NCOMBINE= 42
HISTORY Deconvolution "Richardson Lucy 30 2 70 25" ( Gaussian synthetic star)
HISTORY Histogram stretch: 65535 1682 35528 -5 0
HISTORY DDP: 95 15 2 50 50 0 0
HISTORY White balance: 4 -1 -1 -1 2 -1 -1 -1
HISTORY Flip horizontal
( sigma sum stacking plus flats and darks)
