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Author Topic: Sharpless 264 - what a whopper!  (Read 205 times)

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Offline petevasey

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Sharpless 264 - what a whopper!
« on: 16:16:34, 07 February, 2018 »
This is my first image of 2018 - into the second month, what rotten weather we had here in NE England.  Mainly cloud, but to add insult to injury, when clear a very bright Moon.

Situated at the top of the main Orion asterism (that's Betelgeuse and Bellatrix at the bottom of the image), Sharpless 264 spans a whopping 6 1/2 degrees.  If one assumes a distance of 1500 light years, that makes it 170 light years across!  I started trying to capture this in December 2017, but was constantly foiled by cloud. Eventually I managed to get some data on 21st. January and the rest on 6th February 2018. QSI683 on Canon 70-200L zoom lens at approximately 85 mm focal length. 13 x 20 minutes H-alpha (for luminance and colour) plus 5 x 20 minutes each OIII and SII. But very little colour in the latter two, so I've used H-alpha in the Red channel. Often known as the 'Alien Face'.

Cheers,

Peter
Telescopes: GSO RC10 Truss, Meade S5000 127, TMB 105, TS65 Quad, Solarscope SV50
Binoculars: Canon 15x50 IS
Camera lenses: Canon 400L f5.6, Canon 70-200L f4 zoom, various old M42 thread
Cameras: QSI 683wsg, SX AO, LodestarX2, Artemis285, Canon 350D (modded), Canon 700D, GPCAM2 (colour), GPCAM2 (mono), LE Vesta Pro, Toucam.
Mounts:  Gemini G41 with Pulsar controller. EQ6 Pro, EQ3-2 with Autostar. Star Adventurer
Observatory: 8' Astronomydome

Offline Nimbus

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Re: Sharpless 264 - what a whopper!
« Reply #1 on: 16:41:28, 07 February, 2018 »
What a whopper indeed, nice one Peter CS Jim
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ATIK 16200 Mono, Atik OAG, Atik EFW3 2" LRGB S2 8.0nm /Ha 3.5nm/O3 8.5nm, Baader Filters, Lodestar Guider, Focusmax4, Robofocus
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Online chris.bailey

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Re: Sharpless 264 - what a whopper!
« Reply #2 on: 17:38:56, 07 February, 2018 »
Very nicely done. Yep its mahoosive. Too big even for my wide field rig though I got most of it http://ukastroimaging.co.uk/forums/index.php?topic=66302.msg538369#msg538369

Chris
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Offline PaulB

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Re: Sharpless 264 - what a whopper!
« Reply #3 on: 06:25:02, 08 February, 2018 »
Very nice Angel fish Peter.

The weather during the season has been far from kind.
Paul.
"Whirlpool Observatory"
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Celestron C9.25.
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Offline Roger B

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Re: Sharpless 264 - what a whopper!
« Reply #4 on: 09:23:13, 09 February, 2018 »
Thats very impressive pete,

An object that isnt always on the hit list.
Rog
Scopes - TS65q, W/O 110 Triplet
Mount - EQ6 PRO via  Eqmod,  Rowan belt modded
Cameras - SX694, QSI583WSG,Lodestar Guidecam, GP-Cam, QHY5II.
TS 9mm OAG
Quantum 7x1.25 EFW, Baader LRGB,Ha,OIII,SII Filters 
Quark chromo

SGPro, Pixinsight.

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Offline petevasey

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Re: Sharpless 264 - what a whopper!
« Reply #5 on: 10:28:33, 09 February, 2018 »
Thanks everyone.

It's interesting, in particular for this object, that there are so many clouds of gas out there, totally invisible to the naked eye.  How many times over millenia have people looked at Orion, and never seen this despite it's size, or for that matter Barnard's Loop?  It is only with the advent of suitable optics, film and now sensitive detectors that we can actually 'see' these amazing structures.  I doubt if anyone living within such clouds would be aware of them except as perhaps an extremely faint background glow in the sky.

But how many of you have read Fred Hoyle's 'The Black Cloud'?  Pause for thought... ;)

Cheers,

Peter.
Telescopes: GSO RC10 Truss, Meade S5000 127, TMB 105, TS65 Quad, Solarscope SV50
Binoculars: Canon 15x50 IS
Camera lenses: Canon 400L f5.6, Canon 70-200L f4 zoom, various old M42 thread
Cameras: QSI 683wsg, SX AO, LodestarX2, Artemis285, Canon 350D (modded), Canon 700D, GPCAM2 (colour), GPCAM2 (mono), LE Vesta Pro, Toucam.
Mounts:  Gemini G41 with Pulsar controller. EQ6 Pro, EQ3-2 with Autostar. Star Adventurer
Observatory: 8' Astronomydome

Offline Einari

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Re: Sharpless 264 - what a whopper!
« Reply #6 on: 11:07:47, 09 February, 2018 »
Must put this in my imaging list (next winter I guess).
Have read 'Black cloud'- could/should do it again...
Tapio

Celestron C8, C9.25" & Hyperstar, iOptron CEM60-EC, TS 80 triplet,  Coronado PST, SXV-694,  ASI120MM/ASI174MC Cool

Offline Carole

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Re: Sharpless 264 - what a whopper!
« Reply #7 on: 15:27:03, 09 February, 2018 »
As you say, what a whopper.  Good work Pete.  I can see a hippos face - face on.

Carole
Mount: NEQ6 (on pier), HEQ5 (for astrocamps),  Telescopes: SW ED120 Pro and SW Evostar ED80 pro, WO ZS71 APO, Cameras: Modified Canon EOS 450D, Atik 460EX, Atik314, DMK21, DBK, Dual rig options. Observatory: SkyPOD & PZT
https://sites.google.com/site/caroleastroimaging/home

Offline Roger B

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Re: Sharpless 264 - what a whopper!
« Reply #8 on: 23:43:23, 09 February, 2018 »
I just looked at this for my widest FOV set up   ts65q & QSI583  it's a 20 pane mosaic,

or with the 110mm triplet & 694 it's 90.  ( and that just fits 100 would be ok)

Just goes to show how big this object is

Rog

Scopes - TS65q, W/O 110 Triplet
Mount - EQ6 PRO via  Eqmod,  Rowan belt modded
Cameras - SX694, QSI583WSG,Lodestar Guidecam, GP-Cam, QHY5II.
TS 9mm OAG
Quantum 7x1.25 EFW, Baader LRGB,Ha,OIII,SII Filters 
Quark chromo

SGPro, Pixinsight.

************AND NO TIME TO USE IT************

 

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