M50 - open cluster in Monoceros

Posted by Michael Bakich
on Tuesday, January 6, 2009

by Anthony Ayiomamitis

Equipment:  AP 160 f/7.5 StarFire EDF
                  AP 1200GTO GEM
                  SBIG ST-2000XM
                  SBIG CFW10
                  SBIG LRGB + IR-block

Exposures:  Lum: 030 min (10 x 03 min)
                  Red: 030 min (05 x 06 min)
                  Green: 030 min (05 x 06 min)
                  Blue: 030 min (05 x 06 min)
                  Dark: 135 min (15 x 3+6 min)
                  Binning: 1x1 (Lum),  1x1 (RGB)

      Processing: Reduction, two-star manual registration/alignment, average-combine, colour balance for QE with adjustment for atmospheric extinction, DDP, background normalization, RGB combine, levels/curves, saturation, levels with luminance layering, slight unsharp masking, despeckle, 16- to 8-bit conversion.

To leave a comment you must be a member of our community.
Login to your account now, or register for an account to start participating.
No one has commented yet.
Join our Community!

Our community is FREE to join. To participate you must either login or register for an account.


Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

Find us on Facebook