The Rho Ophiuchi Nebula
Astrophotograph "Rho Ophiuchi Nebula"
This is a colorful region surrouding the bright triple star Rho Ophiuchus. This area is lighted by the bright star Antares. Antares is a red supergiant star. It is about 40,000 times more larger than our sun.
This photograph was taken with a small telescope which has only 45mm diameter.
Optics: miniBORG45ED using BORG7885 Reducer
Mount: Takahashi P-2 mount
camera: NikonD50, ISO1600, RAW
Exposure: 10minx4, 2frame mozaic
Location: Nosegawa village, 2007
published in Tenmon-Guide magazine