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Inner Corona & Prominences
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Home / Nebulae / NGC 6826 - Blinking Planetary
NGC 6826 - Blinking Planetary
NGC 6826 - Blinking Planetary
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NGC 6826 - Blinking Planetary by hgg
 
A difficult target in the constellation of Cygnus. Luckily I had pretty good seeing that night.
Keywords: NGC, 6826, Cygnus, Blinking, Planetary, Nebula, AO-8, C9.25, CGE-925

Image Stats
Celestron Equipment CGE 925 (XLT) Computerized Telescope Computerized (11059-XLT)
Additional Equipment AO-8 @ 16hz
SBIG ST-2000XCM
Takahashi EM200 Temma 2
Imaging @ 2350mm
Camera SBIG ST-2000XCM
Exposure Time 14 x 60 sec
Software MaximDL
Date/Time Taken 07.17.2010 03:04
Location Athens, Greece
Upload Date: 07.19.2010 13:24
Hits: 2754
Downloads: 0
Rating: 5.00 (1 Vote(s))
File size: 137.8 KB

Comments
Starhopper
Member

Join Date: 03.30.2010
Comments 422
 
Very cool shot
Kind of reminds me of the blackeye galaxy great detail...good work.
07.19.2010 15:29 Offline Starhopper
Andrew Bray
Member

Join Date: 05.02.2009
Comments 175
 
Detail
The detail in the nebular is quite impressive. What is the image scale as presented?
07.20.2010 08:29 Offline Andrew Bray http://www.visit-the-moon.com
hgg
Member

Join Date: 03.03.2009
Comments 72
 
Hi
Thank you for your comments,
The image scale is 0.65".

I had very good seeing that night.
George.
07.20.2010 10:13 Offline hgg http://eclipse.site40.net
jkreeger35
Member

Join Date: 04.10.2009
Comments 234
 
Pardon my Ignorance...
Great shot George!

But what is Images Scale? How is it calculated and why is it important?

Thanks!
07.20.2010 21:12 Offline jkreeger35 jkreeger35 at hotmail.com http://astrogab.ning.com/profile/TrevorWoodrow?xg_source=profiles_memberList
hgg
Member

Join Date: 03.03.2009
Comments 72
 
Image Scale
Hi,

Image scale is very important in astrophotography. The resolution of you images will be limited every time by the seeing conditions at your site.
You have to know the image scale of your setup in order to see if you are oversampling or undersampling your target.

A nice article on image scale is the following :
http://www.starrywonders.com/ccdcameraconsiderations.html

Another link with software that will help
you plan your photo session before hand and also calculate your image scale, is the
following :
http://www.newastro.com/book_new/camera_app.php

Clear Skies!
George
07.21.2010 01:03 Offline hgg http://eclipse.site40.net
jkreeger35
Member

Join Date: 04.10.2009
Comments 234
 
Cool!
Thanks George!
07.21.2010 22:10 Offline jkreeger35 jkreeger35 at hotmail.com http://astrogab.ning.com/profile/TrevorWoodrow?xg_source=profiles_memberList




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