Re: [APML] new M-42

[Philip Perkins <philip@astrocruise.com>]

Tony, that's extraordinary - I have not seen an M42 like it!  Very 
interesting and well executed too.

--Philip


At 13:30 20/01/02 -0800, you wrote:
>Hi Folks,
>
>      I have a new M-42 posted that I took with the 14.5" Cassegrain and 
> hypered RG200. I noticed that I need to add half an hour of hypering to 
> get the same "fix" that I get in the heat of the summer... so my winter 
> hyper time is 1.5 hours instead of one hour due no doubt to the garage 
> being an ice box compared to the summertime.
>     This M-42 is a stack of four negatives ranging in time from 10 
> seconds to 30 minutes. The pronounced yellow color around the Trapezium 
> is that way on the film (it looks blue on the film)... also this image 
> called for significant decision making to decide just how to scale the 
> densities and make it look "natural." As Roland pointed out, the density 
> ranges here are like 1 to 1000 and yet, the image has to have everything 
> showing and evenly illuminated.
>      The colors are basically the way they showed up on the film... in 
> the five minute exposure I don't think there was very much reciprocity 
> failure so I felt that I could trust those colors.
>The complexity of this nebula is mind boggling.
>
>     It can be viewed at:
>
><http://www.astrophoto.com/M42CU.htm>http://www.astrophoto.com/M42CU.htm
>
>     Any comments are welcome...
>
>     Have a good one,
>
>         Tony

Philip Perkins - philip@astrocruise.com
Wiltshire UK & Luberon France
Astrocruise - http://www.astrocruise.com


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