NGC 1313 (also known as the Topsy Turvy Galaxy) is an isolated barred spiral galaxy with a diameter of about 50,000 light-years, or about half the size of the Milky Way. It's pretty weird-looking with

I am happy with the way this turned out. It seems that longish exposure (11.7 hrs) plus decon goes a long way to combating mediocre seeing. The image and acquisition details are here https://www.astro

Thanks Rolando. Can you give me some advice on how to do this? Thanks Geoff

Background: I have a dark sky, permanent setup to which I go over every new moon period. I normally guide by the "telescope" option in MaximDL. For the last few months I have found that after guiding

NGC 7098 is an interesting little galaxy in Octans (Probably the only interesting thing in Octans) Taken with AP900, 12.5" PlaneWave and FLI Proline 16803. The image is here https://www.astrobin.com/3

Taken over the last new moon period Image here https://www.astrobin.com/351685/?nc=userLarger res here https://www.astrobin.com/full/351685/0/ Acquisition details Telescope: Plane Wave 12.5" CDK Mount

This image combines data I took in 2016 and, more recently, at the April new moon this year. Seeing was never particularly good and there were problems with a star flare--you can still see some signs

I have been having some guiding problems in Dec with my AP900. I used Pempo's backlash exerciser and the backlash compensation via the keypad and managed to get the Pempro graph looking good after adj

Thanks Stuart. It's quite far south (-40 degrees), so you probably want to be near the equator to get a good view.

Image is here: https://www.astrobin...338128/?nc=user This is the best seeing I have had at my dark sky for quite a while but it was still pretty ordinary (about 2.7"). The Eight Burst Nebula is an in

For one reason and another it's been a lean few months for me in the astroimaging department. This one was taken over several nights in September and October. See link here http://www.astrobin.com/320

Thanks Rolando Yes, the Ha is there, just toned down a lot and the other channels strongly boosted. Geoff

Quite tricky processing this one. The Ha tends to overwhelm everything. The ColorMask script in PI does a good job of taming it. http://www.astrobin.com/300398/ Higher Res here http://www.astrobin.com

Had fun (?) processing this one. Judging by comments from other posts I've made you'll either love it or hate it. Most of the data comes from Januarythis year, but the seeing with my FLI Proline 16803

Not sure what mount you have, but my AP900 is specified to have less than 7 arc seconds peak-to-peak before PEC (it's actually 6.3"), so in this case any PEC curve showing less than a 7" correction wo

Think Tucana + globular cluster and the first thing that comes to mind is probably 47 Tuc. However, NGC 362 is another nice globular cluster in Tucana. http://www.astrobin.com/280550/?nc=user Larger r

I took this one way back in November. It's quite faint and I took a long time over processing, lots of versions. I'm still not really happy with it, but I think the only thing that will improve it is

I've just been on Cloudy Nights and by amazing coincidence someone called hunterofphotons has just replied to one of my posts!

I got one clear night over the last new moon period at my dark sky site and managed to grab this one. Luckily I had just got to the point of stopping before the guiding went pear-shaped as described i

Thanks Alan. I'll check that. Geoff