Deep Sky Object in Summer
Nebulosities around head of Scorpius

Date & Time: Apr 27 2012, from 23:44 to 25:42 JST(+0900)
Mosaic of 3 flames of 8min.×4shots
Optical: AF zoom-Nikkor ED 80-200mmF2.8 (f=105mm, Aperture: F2.8)
with Astronomik CLS-CCD filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Koumi town, Nagano pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
CCD Sensitivity...ISO800

Objects around Scorpion's head
This image shows you the star field around Scorpion's head with a medium-raged telephoto lens. The image contains the Antares region in previous page, you can see various shaped diffused and dark nebulae distributed in almost all view of the image. The Milky Way is flowing in left hand side of image, you can see striped dark nebulae of B44 and B45 are ranging from there to around Antares. The stars forming the Scorpion's head delta and pi Sco are surrounded by vast and indistinct reddish nebulae of Sh2-7 and Sh2-1, respectively. Those nebulae cannot be detected by our naked eyes but long-exposed pictures can show us its faint figures.

Jump to reversed monochrome image (112KB)
Jump to Mars & Nebulosities around head of Scorpius in 2016 (162KB)

Northern region of Antares

Sh2-1, Sh2-7

Copyright(c) 2012 by Naoyuki Kurita, All rights reserved.
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