Deep Sky Object in Summer
Around M24 (Star cloud in Sagittarius)

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Date & Time:	May 19 2007, from 24:20 to 24:46 JST(+0900), 5min. x 6shots
	May 19 2007, from 24:53 to 25:19 JST(+0900), 5min. x 6shots
	Mosaic of 2 images
Optical:	TAMRON SP f=300mmF2.8, Aperture: F2.8
	with IDAS LPS-P2 Light-pollution suppression filter
	Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera:	Nikon D70 (Remodeled)
Location:	Subashiri halfway up Mt. Fuji, Shizuoka pref.

Camera Settings:	Recording Format...12bit CCD-RAW, converted to 8bit TIFF(3008 x 2000)
	CCD Sensitivity...ISO800

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M24 (NGC6603) / Star Cloud in the Milky Way R.A. 18h 18m 23.9s (2000.0) Dec. -18° 25' 00" (2000.0) Apparent Size about 90' Real Size - Magnitude 4.6 Distance 16,000 light yrs. M24 (no NGC No.) is a bright "star cloud" at the center of Milky Way in Sagittarius. Strictly speaking, this object is not nebula nor star clusters, but Messier had registered this in the catalogue as a cluster with a size of 1.5 degree. This naked eye cloud perhaps reminds you of a horse face turning upper left. Two dark nebulae in the cloud look like the eyes of horse are Barnard 92 (west side), and Barnard 93 (east side). And you can see a small reddish diffused nebula of IC1283 at the horse's throat.

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M17(Omega Nebula)

M27(Dumb-bell Nebula)

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			Copyright(c) 2007 by Naoyuki Kurita, All rights reserved.
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