M27 - Night of 18th July

[Whitters]

10 Red + 5 Ha
15 Green
15 Blue
20 Luminance (IR Block)
All 60 seconds, thru Canon 800mm F5.6 With Starlight Express MX916.
18th July 2004


[ This Message was edited by: Whitters on 2004-07-19 22:55 ]

[Rocket Pooch]

About bloody time

Absolutely fantastic and a true glove down to all

Right where's me cheque book.

Well done Paul, I wondered how long it would be before the colour filter wheel got a run out, thats an absolutely excellent image and one to be chuffed to bits with.

[Whitters]

Yeah I like it. I don't have a wheel, the Canon takes 48mm filters, I tried to use them a couple of weeks ago but the filter holder were too deep for the Canon filter draw. So good old SRB http://www.srbfilm.co.uk/ machined them down for me. Well chuffed.

[Rocket Pooch]

Maybe I'm sad but I just like all the colour in the stars esspecially the little red one's.  Great!

[JohnP]

Hi Paul,

Are there truly that many stars in the image or are some of the background ones noise? I'm always amazed at how many stars all your images show - I guess that's to do with the sensitivity of your camera. Chris - couldn't you get similiar images if you put colour filters in front of your SAC-8? How expensive are they?

A great image - Lets have some more - Are you planning on taking all this gear to DSC - I'd love to see it in action.

Cheers,  John

[Rocket Pooch]

The last time I looked the Astronimik fiters we're about £150, but I need the wedge first

Good image isnt it, I like the tiny red stars, or have I already said that?

[Mike]

Fantastic !! Need I say more !?

[Whitters]

John,
yes they are all stars, I use dark frames, bias frames and flat fields to calibrate the camera and remove as much noise as possible. Though the stars are not photometrically accurate, i.e. some appear brighter than they should, due to the Photoshop curve algorithm.

I will be bring it to DSC.