David's Astronomy Pages
NGC 6946 (Negative)
Enhanced CCD Image
 
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Object(s):
NGC 6946

Constellation:
Cygnus/Cepheus

Description:
Enhanced Negative CCD Image of NGC 6946

Date/Time:
2004-11-13   00:41 UT

CCD Image:
ST7 Image
16.2 x 10.8 arc min , 2.55 arc sec/pixel
#74013-15
File: NGC6946.20041113.im74013-15.av3x300s.C.sqroot_scaling_neg.jpg (27 kb)
Subject: NGC 6946

Exposure:
3 x 5 min exposure (average combine) , 2x2 binning
CCD temp. -25 deg C
Filter : C

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

Seeing:

Sky Position:

Processing:
Dark Subtract, Flat, Image Align, Average Combine
Square root brightness scaling, 1050-1500 ADU, Negative
Software : CCDSoft V5, Fv, PaintShop Pro 5

Related Images:
Raw Image
Enhanced Image

Page Links:
Galaxies
Images (2004-11-13) / NGC 6946


This Page : NGC 6946 (Negative)
http://www.richweb.f9.co.uk/astro/imagelib/NGC6946.20041113.im74013-15.av3x300s.C.sqroot_scaling_neg.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