David's Astronomy Pages
M57
Composite high detail / colour image
 
Prev
Image
 
Nebulae
Index
 
Home
Page
 
Next
Image
 

   
Object(s):
M57

Constellation:
Lyra

Description:
Composite high detail + colour image of M57 (Ring Nebula), constructed from images taken 13 months apart.

Luminance Image taken on 2003-08-03 from southern England, f/10, 1x1 binning, unsharp masked (#47146-55). Colour Images taken on 2004-09-18 from NE Scotland, f/7, 2x2 binning (# 72004-16)

Date/Time:
2004-09-18

2003-08-03 (luminance)

CCD Image:
ST7 Image
10.2 x 6.2 arc min , 0.90 arc sec/pixel
#72004-16 (colour), #47146-55 (luminance)
File: M57.20040918.HiDetail.Colour_CBVR.jpg (15 kb)
Subject: M57

Exposure:
Luminance Image : C sum 10x30s). Colour Images : Blue 260% (B av 3 x 60s), Green (V av 2x60s), Red (R av2x60s) , Luminance 1x1, Colour 2x2 binning
None
CCD temp. -10.0 (luminance), -15.0 (colour) deg C
Filter : BVR, C

Equipment:
SBIG ST-7e (ABG) CCD Camera
Meade 8" f/10 SCT telescope (LX200)
operating at f/10.2 (F=2068mm)
Equatorial Wedge/Permanent Pier
Setup: 8" LX200>NGF>F6.3 teleconvertor>#T62>CFW8>ST7 (colour)

Observer/Location:
David Richards
Backyard observatories [Clair & Kingcup]
(rural sites)
Aberdeenshire, UK (luminance), Dorset, UK (colour)

Seeing:

Sky Position:

Processing:
Dark Subtract, Flat, Image Align, Average by Filter, LRGB Combine
Software : CCDSoft V5, PaintShop Pro 5

Related Images:
Detail/Close-up Image

Notes:
Colour Images taken on 2004-09-18 from NE Scotland (# 72004-16)

Page Links:
Nebulae
Images (2004-09-18) / M57


This Page : M57
http://www.richweb.f9.co.uk/astro/imagelib/M57.20040918.HiDetail.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