Re: [APML] New Image: NGC7380 in Halpha and also in [SII]/Ha/[OIII]

[George Anderson <tillerman1@videotron.ca>]

I love the HA image.

George Anderson
Montreal Canada

Clear skies and good health

> Richard Crisp wrote:
> 
> I shoot this one every year and this is the first time I have applied
> my tricolor emission line filter set to it.
> 
> This was also the first color image taken with the FLI CM2-1 camera.
> The sensor is a bit small both in area and in resolution at 1
> megapixel, but so far it is performing well.
> 
> I intentionally took what I deem to be a rather minimal set of
> exposures and used the AP180EDT f/9 with no focal reducer to see just
> how fast this camera is. I want to try it on the 18" cassegrain next
> because I think it will really be fast with that 90% QE across the
> visible spectrum and the largish 13.5 x 13.5 micron pixels.
> 
> For NGC7380 I was able to complete all the data in one night instead
> of the usual three that it usually takes. I will probably go back and
> gather more data later but this is what I have now. Total exposure
> time was 4 hours and 40 minutes.
> 
> Halpha only:  80 minutes: 4 x 20 minutes:
> http://www.narrowbandimaging.com/ngc7380_ap180_cm2_ha_page.htm
> 
> [SII], Ha and [OIII] ([SII] = Red = 2 hours = 6 x 20 minutes, Ha =
> Green =80 minutes =  4 x 20 minutes, [OIII] = Blue = 80 minutes = 4 x
> 20 minutes)
> 
> http://www.narrowbandimaging.com/ngc7380_ap180_cm2_s2hao3_page.htm
> 
> 
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