IC 4603 is an reflection rebula can be seen near the very bright star Antares (1st magnitude) toward the constellation of Ophiuchus.
Imaging telescopes or lenses: Astro-Physics 152mm f/7.5 Starfire EDF
Imaging cameras: FLI ProLine Proline 16803
Mounts: Software Bisque Paramount MX
Guiding telescopes or lenses: Takahashi FS-60C
Guiding cameras: Starlight Xpress Superstar
Focal reducers: Astro-Physics AP 4.0″ Field Flattener
Software: PixInsight 1.8, FocusMax, Maxim DL Pro 5, Software Bisque TheSky6 Professional, Photoshop CS Photo Shop CS5, CCD Autopilot 5
Filters: Astrodon E-series LRGB Ha 5nm
Accessories: Sirius Dome
Dates: March 4, 2014
Locations: Sydney Australia
Frames: 15×600″
Integration: 2.5 hours
Author: David Nguyen
AstroPhotography of the day by SPONLI 14 Aug 2014