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A few new images   Message List  
Reply | Forward Message #694 of 875 |
New scope, new images. I am getting used to the CN-212 in Newtonian
mode. It is nice at f/3.5: very fast. I actually have to be very
careful not to over-bloom the stars on the ST-7. ~johnb

Veil Nebula Section
http://www.regulusastro.com/regulus/photos/text/ngc6992cn212.html
This is an RGB color composite image.
Red: 10 minutes
Green: 10 minutes
Blue: 24 minutes

Bubble Nebula
http://www.regulusastro.com/regulus/photos/text/ngc7635rrgb.html
Details: An RRGB image assembled in MaxImDL.
Red Luminance: 30 minutes.
Red: 10 minutes.
Green: 10 minutes.
Blue: 24 minutes.

Hourglass Nebula
http://www.regulusastro.com/regulus/photos/text/m27lrgbcn212.html
An LRGB color composite image using SBIG CFW8 filters.
Image times:
Luminance: 33 minutes.
Red: 10 minutes.
Green: 10 minutes.
Blue: 24 minutes.




Mon Sep 16, 2002 6:49 pm

unukalhai
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Message #694 of 875 |
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New scope, new images. I am getting used to the CN-212 in Newtonian mode. It is nice at f/3.5: very fast. I actually have to be very careful not to over-bloom...
unukalhai
Offline
Sep 16, 2002
6:49 pm

John, those are very nice images. So good that I can ask if there is a little coma showing on the botton right of the Veil? Apart from the evidence of the...
serena_aussie
Offline
Nov 26, 2002
12:02 am

Hi Serena, and all others, Yes indeed, that is coma showing its funny little distorions towards the edge of the CCD images. The CN-212 in Newtonian mode has a...
unukalhai
Offline
Dec 3, 2002
4:40 pm
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