Log in

View Full Version here: : Eta Carina in Ha RGB


tornado33
22-02-2007, 03:19 PM
Hi all
Had a go at combining my Ha and colour (RGB) images into a HA RGB image, using about 30% red/70% Ha in the red channel, in Photoshop
Images taken with Berts 300mm f2.8 flourite lens
I used this proceedure to follow
http://www.robgendlerastropics.com/HARGB.html
Large version here
http://www.iceinspace.com.au/uploads/etacarhagb.jpg
Scott

atalas
22-02-2007, 05:14 PM
Nice work Scott !

Striker
22-02-2007, 05:16 PM
I like your HA image much better.

But still nicely done and well processed even though a bit orange.

RB
22-02-2007, 06:07 PM
I like it, very interesting.

Is that the full fov thru the 300mm Scott or have you cropped?

sheeny
22-02-2007, 07:01 PM
Very nice! Making full use of the available dynamic range there. Very wide shot and lots of detail.

Al.

tornado33
22-02-2007, 07:46 PM
Thanks all
Yes that fulll frame, well a tiny bit of cropping as I "dithered" moving the lens slightly between images, and the Ha one was taken on a different night and was a tiny bit off from the colour ones.
Scott

74tuc
22-02-2007, 10:43 PM
Good work Scott.

I'm interested to know what is the brandand size of H-alpha filter you used to get such a nice wide angle view.

Jerry.

Ric
23-02-2007, 12:49 PM
Hi Scott, a very nice image indeed and equally as spectacular in it's own right.

Cheers

Garyh
23-02-2007, 01:20 PM
I like the color version!!!.. very nice Scott!! maybe a touch on the orange side.
Cheers Gary

tornado33
24-02-2007, 01:00 PM
Thanks
I use a 2 inch Baader 7 Nm Ha filter, it, and an IDAS uv/ir filter are placed in the rear of Bert's lens.
Scott