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Re: [APML] OT; NGC6946 and SN2004et



Richard,
Not only a good image but informative as well.
Thanks for sharing.
Rob Gendler
email: robgendler@att.net
Web Site: http://www.robgendlerastropics.com
----- Original Message ----- 
From: "Chris Schur" <comets133@yahoo.com>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Monday, June 27, 2005 12:52 PM
Subject: Re: [APML] OT; NGC6946 and SN2004et


> Richard, that object is a good target for both film
> and CCD, thanks for bringing it to our attention!
> 
> Chris Schur
> 
> --- Richard Crisp <rdcrisp@earthlink.net> wrote:
> 
> > We are now in our standard summertime weather
> > pattern in the SF Bay area: we get the low "marine
> > layer" clouds nearly every night. 
> > 
> > It is great for imaging from mountain tops because
> > it does a great job of blocking the lights from the
> > cities, but it stinks if you like to image from the
> > backyard as do I, because my home is only at 400
> > feet elevation and usually you need to be about 2500
> > feet or higher to get over the clouds.
> > 
> > So Saturday I schlepped my gear up to Fremont Peak
> > (~3000 feet) to do some imaging. My plan was
> > shooting nebulae down in the lower southern part of
> > the sky but the marine layer was up a bit high to
> > make me feel comfortable choosing such low targets.
> > About two hours after sunset it did finally settle
> > down below the horizon but by that time I had
> > decided to pursue another part of the sky that was
> > less likely to be threatened by the clouds.
> > 
> > I ended up on NGC6946, a nice face on grand design
> > spiral galaxy. Keeping things simple I shot straight
> > up RGB without any luminance. I just took 6 x 10
> > minutes through each of my three filters and then
> > moved on to another target before sunrise and flat
> > taking time.
> > 
> > I didn't realize that I had the remnants of SN2004et
> > in the  FOV  until one of our local astronomers
> > called it to my attention.
> > 
> > So I sort of got a twofer. SN2004et was discovered
> > about nine months ago so it is not as bright as it
> > was when discovered.
> > 
> > Here are the images 
> > 
> > NGC6946 from AP180EDT f/9 and IMG6303E
> >
> http://www.narrowbandimaging.com/ngc6946_rgb_180_6303_page.htm
> > 
> > SN2004et with additional links to prediscovery image
> > and image from three days after discovery and this
> > work, which is nine  months post discovery
> > 
> > http://www.narrowbandimaging.com/sn2004et_page.htm
> > 
> > I'd like to post this to the ccd list but the
> > moderator has banned me for violating unwritten
> > rules. I am still trying to figure out how a guy can
> > violate a rule that isn't written down. Maybe
> > someone can tell me how that works?
> > 
> > > _______________________________________________
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> > Astro-Photo@seds.org
> > http://seds.org/mailman/listinfo/astro-photo
> > 
> 
> 
> 
> 
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