Rho Oph Area + IC 4604, 1×3 Mosaic


Click here for a full resolution image

This is a three frame mosaic of the extremely colorful Rho Ophiuchi area. The full resolution image is a more than 22 MPix and 135 Mb file. Rho Oph itself is a triple star (magnitudes 4.6, 5.0 and 5.9) and it is the one surrounded by the blue reflection nebula at the upper part of this image. This image has many NGC objects and a Messier globular (M4). Some of the objects imaged are: IC 4604, IC 4603, IC 4605, VdB 107 (surrounding Antares), Sh2-9 (surrounding Al Niyat, sigma Sco)…

Additional Information


Name(s): Rho Oph Area

Type: Reflection, Emission Nebulae and a Globular Cluster

RA:  16h 27m 13s (coordinates centered on M4)

Dec: -26º 01’ 17”

Constellation: Scorpius

Size (arcmin): 220×390

Magnitude: +5

Distance: 400 ly


Date: 2015-05-23+24+25

Location: SSO near Coonabarabran, NSW Australia

Size (arcmin): 240×420

Telescope: Takahashi FSQ 106 f/5

Camera: SBIG STL1102M (4008x2672pix)

Guiding: Yes, but not recorded

Total exposure: 6h20min (L: 100min; RGB: 280min)

Processing: CCDStack, Photoshop CC 2016 and PixInsight

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