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Object(s): M57 |
Constellation: Lyra | |
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Description: CCD Colour Composite of M57 (Ring Nebula) |
Date/Time: 2004-09-18 23:16 UT | |
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CCD Image: ST7 Image 15.5 x 9.2 arc min , 2.55 arc sec/pixel #72004-16 File: M57.20040918.Colour_CBVR.jpg (12 kb) Subject: M57 |
Exposure: Luminance (C med 3x30s), Blue 220% (B av 3 x 60s), Green (V av 2x60s), Red (R av2x60s) , 2x2 binning None CCD temp. -15 deg C Filter : BVR, C | |
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Equipment: SBIG ST-7e (ABG) CCD Camera Meade 8" f/10 SCT telescope (LX200) operating at f/7.1 (F=1447mm) Equatorial Wedge/Permanent Pier Setup: 8" LX200>NGF>F6.3 teleconvertor>#T62>CFW8>ST7 |
Observer/Location: David Richards Backyard observatory [Clair] (rural site, 20m amsl) Aberdeenshire, UK | |
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Seeing: |
Sky Position: | |
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Processing: Dark Subtract, Flat, Image Align, Average by Filter, LRGB Combine Software : CCDSoft V5, PaintShop Pro 5 |
Related Images: Enhanced Image |
Page Links: Nebulae Images (2004-09-18) / M57 |
| This Page : | M57 http://www.richweb.f9.co.uk/astro/imagelib/M57.20040918.Colour_CBVR.htm |
| Page creation : | Generated from an Image Database by visual basic script |
| Page Owner : | David Richards |
| Last Updated : | 2006-Jan-20 |
| Home Page : | David's Astronomy Pages - http://www.richweb.f9.co.uk/astro |
