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Posts Made By: Greg Bradley

April 22, 2005 01:16 AM Forum: CCD Imaging and Processing/Deep Sky

FS152 Omega Centauri

Posted By Greg Bradley
The surprising thing is that these shots are taken under adverse conditions, 3/4 moon, surburban backyard.

FS152, modded D70, 8 x 20 secs.

Looking forward to doing some shots at a dark site.

Greg.

April 23, 2005 12:46 AM Forum: CCD Imaging and Processing/Deep Sky

FS152 Lagoon Nebula

Posted By Greg Bradley
I spent about 2 hours drift aligning last night and it paid off (after adjusting one axis the wrong way at first!).

FS152 with Tak F6 focal reducer (better and less vignetting than the Celestron F6.3), MI 250 mount, modded D70,Baader UV/IR block filter total of 12 shots, 30, 45 and a couple of 60 second shots, nearly full moon, in my observatory in Sydney.

Images Plus, Nikon Capture Editor.


April 23, 2005 12:00 PM Forum: CCD Imaging and Processing/Deep Sky

FS152 and Eta Carina

Posted By Greg Bradley
Still trying to get that ultimate image of Eta Carina. This is the next loveliest neb in the sky after M42.

Here are 2 last night under nearly full moon, suburban skies.

FS152, MI250 mount, unguided, mostly 30 sec exposures, some 45 sec in the 2nd shot and a couple of 60 secs. Modified D70, ISO 1600, Mode 3 (turn off after the shot whilst camera doing noise reduction, this stops a built in filtering process in the Nikon Camera from damaging the fainter stars). Images Plus and Nikon Capture editor.

This one 12 x 30 secs. The one to follow is more like 25 x 45 and 4 x 60.

April 23, 2005 01:01 PM Forum: CCD Imaging and Processing/Deep Sky

FS152 and Omega Centauri

Posted By Greg Bradley
This is better.

Despite a full moon. FS152, MI250 mount, 30 x 30, 45 and 60 seconds, Modded Nikon D70, mode 3, Baader UV/IR block, Images Plus, Nikon Capture Editor. ISO 1600.

The FS152 is an amazing scope.

Greg.

April 24, 2005 03:34 AM Forum: CCD Imaging and Processing/Deep Sky

Is this the current best astrophotographer?

Posted By Greg Bradley
Have a look at these shots :

http://astrosurf dot com/antilhue/galaxies dot htm

Daniel from Chile.

These are the best I have seen from anyone.

Greg.

April 28, 2005 08:21 AM Forum: CCD Imaging and Processing/Deep Sky

Milky Way Widefield 180mm ED lens

Posted By Greg Bradley
Took this image last night at my dark site.
2/3rds moon, very clear conditions, 700 metres altitude (about 2200 feet), Nikon D70 modified no filter, Nikon 180mm ED Lens.

4 x 30 seconds.

The nebula is Eta Carina, the open cluster is Caldwell 091 and the bright stars on the upper right are the Southern Cross.

It came out better than I expected given how bright the moon was.

Greg.

April 29, 2005 04:00 AM Forum: CCD Imaging and Processing/Deep Sky

Centaurus A

Posted By Greg Bradley
11 x 45 seconds. Rapidly took this after dark before the mooon came up. Beautiful clear skies at a dark site that would knock your socks off.

Modded D70, Baader UV/IR block filter, mode 3 exposures (turn off power after exposure with noise reduction on, it interrupts it before it applies a software filter and gives a better RAW file).

Images Plus, Nikon Capture Editor. Nexstar 11 GPS. To get this any better I am going to need to autoguide.

Greg.

April 29, 2005 10:50 PM Forum: CCD Imaging and Processing/Deep Sky

widefield Omega Centauri 180mm

Posted By Greg Bradley
Here is an unusual shot of Omega Centauri globular cluster using Nikon 180mm ED lens and Nikon D70. 2/3rds bright moon.

Greg.

April 30, 2005 07:36 AM Forum: CCD Imaging and Processing/Deep Sky

50mm widefield

Posted By Greg Bradley
Another view of Eta Carina very widefield. F2.4 50mm Nikkor Lens, bright 2/3rds moon.

D70, no filter, ISO 1600, 5 x 30 secs.

Greg.

April 30, 2005 11:33 PM Forum: CCD Imaging and Processing/Deep Sky

Trifid Nebula

Posted By Greg Bradley
19 x 45 and 60 seconds (mostly 60secs), unguided, Tak FS152, MI 250 mount, Nikon D70 modified, Baader UV/IR filter, Nikon Capture Editor, Images Plus for stacking and some processing.

Last night, 1/3rd dull moon, nice clear night in my backyard in Sydney. About 13-14 degrees Celsius (55F).

Greg.

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