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IC4603-4 / Rho Ophiuchi Nebula

Classification: Reflection Nebula/ IC4603 / IC4604
Constellation: Ophiuchus (OPH)
Object Location: Ra 16h 26m 28s Dec -23° 58’46° (current)(center of two)
Size & Distance: 60.0 x 60.0 Apx 500 light years

Date & Location: 05-31-2008 Palomar Mountain, CA.
Exposure: LRGB, L=9 @ 5min. (bin 1x1) RGB= 6 ea. @ 5min. (bin 2x2)
Optics: Takahashi Epsilon-180 f2.8 504mm.
Mount: Astro-Physics 900 GTO / ATS 10x36 pier.
Camera: SBIG-ST10XME / Guided by 2045 / SBIG-RGH
Filters: Astrodon G1 LRGB
Software: MaxImDL 4.56, Photoshop CS

Notes: Sky conditions: Average seeing, Light wind, Temp 54°
Image Field of view is 68 x 101 arcmin.