File:NGC1097 - ESO - eso0438d.jpg

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原始文件 ‎（6,592 × 7,725像素，文件大小：10.66 MB，MIME类型：image/jpeg）

摘要

描述
English: Spiral galaxy NGC 1097

It is an almost-true colour composite based on images made with the multi-mode VIMOS instrument on the 8.2-m Melipal (Unit Telescope 3) of ESO's Very Large Telescope. Exposures were taken in three different wavebands which were associated to a given colour : R-band (centred around 652 nm; red), V (540 nm; green) and B (456 nm; blue). The images were taken on the night of December 9 to 10, 2004 in the presence of the President of the Republic of Chile, M. Ricardo Lagos. The observing conditions were very good (seeing well below 1 arcsec). The total exposure was 2.25 min in R, 3 min in V and 6 min in B. The scale is 0.205 arcsec/pix and the image covers a 7.7 x 6.6 arcmin2 region on the sky. All exposures were taken and pre-processed by ESO Paranal Science Operation astronomers. Additional image processing by Henri Boffin (ESO).

Credit: ESO 

Coordinates
Position (RA):  	2 46 19.04
Position (Dec): 	-30° 16' 29.62"
Field of view:  	6.85 x 7.74 arcminutes
Orientation:    	North is 0.1° left of vertical

Colours & filters Band	Wavelength	Telescope
Optical B       	456 nm  	Very Large Telescope VIMOS
Optical V       	540 nm  	Very Large Telescope VIMOS
Optical R       	652 nm  	Very Large Telescope VIMOS
.
日期 Wed 04 Feb 2009 15:49:10 CET
来源 https://www.eso.org/public/images/eso0438d/ https://cdn.eso.org/images/large/eso0438d.jpg
作者 ESO

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This media was created by the European Southern Observatory (ESO).
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当前2019年6月13日 (四) 00:092019年6月13日 (四) 00:09版本的缩略图6,592 × 7,725（10.66 MB）Fabian RRRRhigher resolution, not mirrored source: https://www.eso.org/public/images/eso0438d/
2009年4月28日 (二) 21:042009年4月28日 (二) 21:04版本的缩略图2,296 × 2,592（7.26 MB）Fabian RRRR{{Information |Description={{en|1=Almost-true colour composite based on three images made with the multi-mode VIMOS instrument on the 8.2-m Melipal (Unit Telescope 3) of ESO's Very Large Telescope. They were taken on the night of December 9-10, 2004, in t

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