NGC300 with QHY10

[cventer]

Very nice.

I got 2 hours of 10 min subs of this last night from suburbs of Melbourne and the thing barely shows up.

Might be one for a dark sky me thinks.

[Hagar (Doug)]

Originally Posted by desler

Given my previous example of this object, I'd be rapt with what you've got so far. It will end up a very nice image mate! Glad it's all coming together and you can actually see the sky!

Darren

Thanks Darren, it's getting there but has a way to go yet.

Originally Posted by RickS

Harry is more eloquent than I could ever be, Doug:
http://www.harrysastroshed.com/pix%2...ew/DBE/DBE.wmv

Cheers,
Rick.

Thanks Mate, I was expecting an offer from YOU.

Originally Posted by mill

I am doing NGC300 at the moment with the ED80 and man it is a faint sucker even with 10Min luminance.
See what i can suck out of it with the QHY9.
Hopefully my GSO RC8 will arrive tomorrow

Hi Marty, It is a faint sucker. I think you will need a lot of subs to get much out of it.

Originally Posted by Ross G

A difficult capture Doug and nicely done.

You have a lot of detail...the start of a great photo.


Ross.

Thanks Ross

Originally Posted by TrevorW

Nice one Doug

Thanks Trevor, still a work in progress.

Originally Posted by Paul Haese

Plenty more data needed, but already looking like a good start to what I hope will be a great image. Certainly a fair bit of noise present, but given the stretching I am not surprised.

Personally I would have gone with longer subs. Narrow aperture really needs long subs in my opinion. It is most likely an issue in your town with light pollution but on those really faint objects with low surface brightness the extra time in a sub works a treat.

Just out of interest is this a crop? It looks to be the case with the star sizes.

Looking forward to the finished result.

Thanks Paul. If I can't get enough with 15 minute subs it ain't going to happen. Yes it's a crop of just the galaxy.

Originally Posted by cventer

Very nice.

I got 2 hours of 10 min subs of this last night from suburbs of Melbourne and the thing barely shows up.

Might be one for a dark sky me thinks.

Thanks Chris, It's faint for sure and I don't envy you trying to capture this from Melbourne. I really think I will need about 8 to 10 hours of exposure in 15min subs to do this one any real justice and that is from reasonably dark skies. Good luck.

[bmitchell82 (Brendan)]

If 15min subs don't cut it increase the aperature good shot btw

Brendan

[Hagar (Doug)]

Originally Posted by bmitchell82

If 15min subs don't cut it increase the aperature good shot btw

Brendan

Thanks Brendan but I'm affraid 120mm is the biggest appature I have so 120 at 15minutes will have to do me at the moment. I will have to just get lots more exposure time overall to make the signal pop above the noise level.
I can of course smooth out the background easy enough but you can't make the galaxy signal jump without more exposure. Looking at another couple ofr hours tonight and maybe a couple more tomorrow if the weather holds.

It's hard imaging one target night after night or in this case, week after week but it is interesting to see the image grow with each additional sub frame.

Thanks again everyone.

[bmitchell82 (Brendan)]

hehehe i feel spoilt after having 254mm of mirror to play with even dark nebs show themself at about 20 seconds of exposure

Tonight is the first night that i have been able to take a photo since the start of May just wetting my toes with a nice little glob then ill ponder over to someting around orion later hoooraahhh

Good luck and i look forward to seeing your updated image
BM

[irwjager (Ivo)]

So awesome to think us amateurs can image these kinds of objects these days. That's a great effort Doug.

Originally Posted by Hagar

I can of course smooth out the background easy enough but you can't make the galaxy signal jump without more exposure.

You kind of can actually, even in the 8-bit JPEG you uploaded. Something like PixInsight or StarTools (and even with PS with some trickery) can lift out larger structures (and larger structures tend to correspond well to a spiral galaxy's arms).

At the end of the day, nothing beats more/longer exposures ofcourse - can't wait to see the final product!