Deep Sky Object in Summer
Close-up of Pipe Nebula

Date & Time: Apr 29 2011, from 25:02 to 25:29 JST(0900), 5min.×6shots
Apr 29 2011, from 25:40 to 26:06 JST(+0900), 5min.×6shots
Mosaic of 2 images
Optical: AF zoom-Nikkor ED 80-200mmF2.8 (f=135mm, Aperture: F2.8)
with IDAS LPS-P2-FF Light-pollution suppression 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

LDN1773 / Dark Nebula, type 6 Ir
R.A.17h 30m (rough position)
Dec.-26° (rough position)
Apparent Size420'×120'
Real SizeAbout 100 light yrs.
This page shows you a close-up image around the Pipe Nebula captured with a telephoto lens. You can detect only dark patch in the Milky Way through binoculars with your naked eyes, but this image can show you fairly complicated structures. The pipe nebula has many individual catalogue numbers of dark nebula. In upper center, this image includes the Snake Nebula at the leg of Ophiuchus.
Dark nebulae around pipe nebula

Around Pipe Nebula

Around B268, B63

Copyright(c) 2011 by Naoyuki Kurita, All rights reserved.
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