Orpington Astronomical Society

Astronomy => Astrophotography => Topic started by: RobertM on Jul 12, 2010, 13:16:32

Title: Veil Supernova Remnant in Ha
Post by: RobertM on Jul 12, 2010, 13:16:32
I took this over the latter part of last week.  The skies started off not too bad but ended up about mag 3-3.5; consequently the background ADU level was over 800 with over half the subs being too bright to use.  As you can see it was a tight fit getting the faint outer shell and southern extensions in.

(http://farm5.static.flickr.com/4078/4783260706_a4bee93466_b.jpg)

Exposure: 10 x 30min with Baader Ha 7nm filter, Finger Lakes ML 8300, Canon 200L lens@f/3.2
Darks/Bias/Flats calibrated and DDP processed in MaximDL with levels/curves in PS
Date: 8,9,10/07/2010
Guiding: Lodestar +Startravel 80

Robert
Title: Re: Veil Supernova Remnant in Ha
Post by: Mac on Jul 12, 2010, 13:56:22
very nice, so much detail in that shell.

Mac.
Title: Re: Veil Supernova Remnant in Ha
Post by: PhilB on Jul 12, 2010, 16:35:14
That's a great image, Robert
Title: Re: Veil Supernova Remnant in Ha
Post by: Fay on Jul 12, 2010, 17:49:56
Very nice Robert, difficult getting the exposure times right with the fine wispy bits & then the more solid very bright parts
Title: Re: Veil Supernova Remnant in Ha
Post by: RobertM on Jul 12, 2010, 19:44:17
Thanks guys.

Quotedifficult getting the exposure times right with the fine wispy bits & then the more solid very bright parts

Fay, do you mean the processing ?
Title: Re: Veil Supernova Remnant in Ha
Post by: Fay on Jul 12, 2010, 20:06:17
Yes
Title: Re: Veil Supernova Remnant in Ha
Post by: Rocket Pooch on Jul 12, 2010, 20:35:37
Very nice Robert, just need the O3 and SII now :-)

Fantastic wide field.
Title: Re: Veil Supernova Remnant in Ha
Post by: Fay on Jul 12, 2010, 20:56:16
Robert, was not criticising. It was just that I found it hard to process mine because of the contrasting opaqueness of the nebula.
Title: Re: Veil Supernova Remnant in Ha
Post by: MarkS on Jul 13, 2010, 19:50:23

Fantastic image Robert - very nice FOV and good depth in the faint areas.

I hope you're going to turn this into a colour image  -it'll be stunning.

Mark
Title: Re: Veil Supernova Remnant in Ha
Post by: doug on Jul 14, 2010, 09:53:16

     Another marvellous image from the Robert Imaging Association.  That is worthy of the next OAS calendar and it ought to go into the Sky at Night Magazine as well.

     Brilliant stuff, mate; keep up the good work.  :)

     Doug ... who deletes his first good image of the crescent moon from Kelling.  :oops:
Title: Re: Veil Supernova Remnant in Ha
Post by: Mac on Jul 14, 2010, 13:59:21
Quotewho deletes his first good image of the crescent moon from Kelling
Check your bin. Might still be there,
Or failing that have a look at this software to recover files.

http://www.snapfiles.com/get/pcinspector.html (http://www.snapfiles.com/get/pcinspector.html)

Mac
Title: Re: Veil Supernova Remnant in Ha
Post by: doug on Jul 14, 2010, 14:03:49

     Thanks Mac ...........  but it was on my Sony A380 Camera.  :oops:
Title: Re: Veil Supernova Remnant in Ha
Post by: Mac on Jul 14, 2010, 14:47:38
so long at you haven't taken many photos, the data can still be recovered from the memory card.