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 Post subject: M53 region
PostPosted: Sat Apr 02, 2011 3:12 pm 
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Had an unexpectedly clear night last night so I managed to grab a full 3 and a half hours of 200-second subs on the M53 region in Coma Berenices using the Sky 90 and the SXVF-M25C one-shot colour camera.

Image

As a bonus, there's another globular cluster (NGC5053) at the top :D

Greg

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Nexstar 11 GPS, 2 x Sky 90, M25C, MaximDL, Photshop CS3, Noel Carboni's Photoshop actions, 7 foot Pulsar fibreglass dome, Canon 40D, 100mm macro lens, 28-200mm zoom lens, 17-55mm f#2.8 zoom lens, 100-400mm zoom lens, 1.4x converter, 2x converter.
http://www.newforestobservatory.com/
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 Post subject:
PostPosted: Sat Apr 02, 2011 4:06 pm 
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Hi Greg,

Nice capture. Is that multicoloured halo around the brightest star in the field something that the camera is producing or a side-effect of the artificially added diffraction spikes? I'd guess the latter.

BTW, I've just got a copy of your book Making Beautiful Deep Sky Images which I'll enjoy reading later this month. 8)

Bob.

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Olympus OM-D E-M1 + M.Zuiko Digital ED 12-40mm f/2.8, Lumix 7-14mm f/4, Leica DG Summilux 15mm f/1.7 ASPH, M.Zuiko Digital 45mm 1:1.8, M.Zuiko Digital ED 75mm 1:1.8.
Leica D Vario-Elmar 14mm-150mm f/3.5 - f/5.6 ASPH.
OM-D E-M5, H-PS14042E, Gitzo GT1541T, Arca-Swiss Z1 DP ball-head.
Astrophotography: TEC 140 'scope, FLI ML16803 camera, ASA DDM60 Pro mount.


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 Post subject:
PostPosted: Sat Apr 02, 2011 5:00 pm 
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Hi Bob,

The halo is another Star Spikes Pro2 addition - it's copying (mathematically exactly as it happens) the sort of diffraction patterns I was getting with the Hyperstar.

Thank you for purchasing my book - I can eat for another day :D

I am at this very moment in discussion with an American publisher on a specialist digital photography book - I should know next week whether I get the go-ahead or not.

Fingers crossed,
Greg

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Nexstar 11 GPS, 2 x Sky 90, M25C, MaximDL, Photshop CS3, Noel Carboni's Photoshop actions, 7 foot Pulsar fibreglass dome, Canon 40D, 100mm macro lens, 28-200mm zoom lens, 17-55mm f#2.8 zoom lens, 100-400mm zoom lens, 1.4x converter, 2x converter.
http://www.newforestobservatory.com/
http://www.flickr.com/photos/12801949@N02/


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 Post subject:
PostPosted: Sat Apr 02, 2011 5:05 pm 
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Greg.. no idea you had a book out.. just got myself a copy as well. Great pic btw.

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 Post subject:
PostPosted: Sat Apr 02, 2011 6:20 pm 
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Have you written a book? Which?

Nice capture! 8) I always love Deepsky-images.

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 Post subject:
PostPosted: Sat Apr 02, 2011 7:36 pm 
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Another great capture!

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 Post subject:
PostPosted: Sat Apr 02, 2011 8:40 pm 
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Thanks everybody :D
I have (so far) 3 books published - there's something like 6 in the pipeline :shock: :shock:

Just sign in to Amazon, books, Greg Parker and you'll find the 3 books.

They are:
1) A textbook on semiconductor device physics. Not much photography there then :D
2) Making Beautiful Deep-Sky Images, published by Springer, a "how to" book for people wanting to take deep-sky images.
3) Star Vistas, with Noel Carboni, a pretty picture book of deep-sky images, also published by Springer.

Greg

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Nexstar 11 GPS, 2 x Sky 90, M25C, MaximDL, Photshop CS3, Noel Carboni's Photoshop actions, 7 foot Pulsar fibreglass dome, Canon 40D, 100mm macro lens, 28-200mm zoom lens, 17-55mm f#2.8 zoom lens, 100-400mm zoom lens, 1.4x converter, 2x converter.
http://www.newforestobservatory.com/
http://www.flickr.com/photos/12801949@N02/


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 Post subject:
PostPosted: Sat Apr 02, 2011 11:07 pm 
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.
P.S. When you sign into Amazon as Greg suggested above then don't forget to go via our Partner Stores page. That way Gordon can afford another breakfast. :P

Bob.

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Olympus OM-D E-M1 + M.Zuiko Digital ED 12-40mm f/2.8, Lumix 7-14mm f/4, Leica DG Summilux 15mm f/1.7 ASPH, M.Zuiko Digital 45mm 1:1.8, M.Zuiko Digital ED 75mm 1:1.8.
Leica D Vario-Elmar 14mm-150mm f/3.5 - f/5.6 ASPH.
OM-D E-M5, H-PS14042E, Gitzo GT1541T, Arca-Swiss Z1 DP ball-head.
Astrophotography: TEC 140 'scope, FLI ML16803 camera, ASA DDM60 Pro mount.


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