Dumbbell with 8 inch newt and Canon 300D

seeker372011 (Narayan) · #1 26-08-2005, 10:35 PM

had another go at the Dumbbell, this time with the 8 inch Newt..still a challenge from my backyard as it doesn't get all that high above the house to the North..think it is directly above the whirly thingy on my roof

Camera: Canon 300d (unmodified)
Scope: Celestron C8 NGT -CG5 Mount
autoguided-guidedog
Filter: Astronomik CLS
Location: Suburban Sydney
Details; Stack of three 10 minute exposures at ISO 400
Processing : registration and Stacking in IRIS
Post Processing: Photoshop
Noise: Neatimage
comments and feedback welome

BTW this was on 19 August- I think the variable star flared on the 22nd so I just missed it

cometcatcher (Kevin) · #2 26-08-2005, 11:28 PM

Very nice.

asimov (John) · #3 27-08-2005, 03:43 AM

That's a really nice shot Seeker, well done.

Iddon · #4 27-08-2005, 08:24 AM

magic

Striker (Tony) · #5 27-08-2005, 10:10 AM

Looks good to me..very well done.

atalas · #6 27-08-2005, 11:17 AM

Nice Job Narayan pleanty of deatail and colour , I would like to see the same shot from a dark site for sure mate . I'm sure at 10minutes subs you would of been battling a lot of sky glow in your processing . Having said that let me say that It still looks very good mate !

Louie

seeker372011 (Narayan) · #7 27-08-2005, 11:40 AM

thanks for the nice comments. Yes Louie, it is a bear to deal with the light pollution when trying to image the Ring or Dumbbell nebulae from Sydney, as they are so low in the Northern sky.

iceman (Mike) · #8 27-08-2005, 11:57 AM

Great shot! Well done.

[1ponders] (Paul) · #9 27-08-2005, 12:30 PM

Nice catch narayan. How do you find guidedog for autoguiding and dealing with stars that would be jumping around so close to the northern horizon.

seeker372011 (Narayan) · #10 28-08-2005, 09:54 AM

Quote:

Originally Posted by [1ponders]

How do you find guidedog for autoguiding and dealing with stars that would be jumping around so close to the northern horizon.

Guidedog works -but only just, I had it set for 2 plus second exposure on the guide camera

It lost the guidestar from time to time but since I was reasonably well polar aligned, the software was able to "re-lock" after missing one cycle

I lost at least one (10 minute) image because I completely lost the guide star..I was inside watching TV....and came back to some abstract art