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Astrophotography and Sketching >> CCD Imaging & Processing

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Dan Crowson
professor emeritus
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Reged: 10/08/10

Loc: O'Fallon, MO
Sharpless 188 - AT6RC new
      #5555976 - 12/05/12 04:49 PM

Sharpless 188 is a planetary nebula approximately 700 light-years away in Cassiopeia.

Ha 13x1800s 390 minutes binned 1x1
RGB 8x300s 40 minutes each binned 2x2

510 minutes total exposure 8 hours 30 minutes

Imaged November 21st and December 4th, 2012 with a SBIG ST-8300M on a 6 Astro-Tech AT6RC at f/9 1368mm.

See the link to the full size version below.



Full Size HaRGB

Dan


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Jim Thommes
Post Laureate
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Reged: 09/20/04

Loc: San DiegoCA USA
Re: Sharpless 188 - AT6RC new [Re: Dan Crowson]
      #5556717 - 12/06/12 12:24 AM

Dan,
Pretty cool shot. That is one Sharpless I haven't done - I'll have to put it on my list.


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broca
Carpal Tunnel
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Reged: 03/26/10

Loc: Ocala, FL
Re: Sharpless 188 - AT6RC new [Re: Jim Thommes]
      #5556940 - 12/06/12 06:33 AM

Nice work Dan!

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Nicola
Vendor: Skymonsters.net.


Reged: 05/23/06

Loc: Milan, Italy
Re: Sharpless 188 - AT6RC new [Re: Dan Crowson]
      #5565452 - 12/11/12 06:46 AM

Nice one and good star colors too.

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J.P.M
Post Laureate
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Reged: 11/14/06

Loc: 65"01'N25"47'E
Re: Sharpless 188 - AT6RC new [Re: Nicola]
      #5565456 - 12/11/12 06:54 AM

Great work with a difficult target, not too many images out there about this one.

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Mark72
professor emeritus


Reged: 09/19/12

Loc: Munich, Germany
Re: Sharpless 188 - AT6RC [Re: J.P.M]
      #5565614 - 12/11/12 09:41 AM

Very nicely done,

Great colours. So now it is Sh-187?

Mark


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