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Author Topic: Another Catalina  (Read 627 times)

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Offline petevasey

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Another Catalina
« on: 14:58:16, 08 January, 2016 »
Unfortunately weather and other commitments did not play fair with me in December :(  But last night (7th Jan) was a beauty, although it didn't clear until midnight!  So I did some other imaging, then around 5 am turned my attentions to the Comet.  Took me a little while to get set up, then I captured 10 x 3 minute subs using my Canon 350D, RAW frames at ISO800 on TS65quad telescope (420 mm fl).  Darks and flats applied and some fiddling with different stackings in Deep Sky Stacker to come up with this.  Cropped a bit to lose amplifier glow from one corner.  The Ion tail is now very faint, perhaps longer exposures would have helped, but it is fast moving - a balance between brightness and movement blur.    But at least I got something ;)

The main head area was quite bright in binoculars, and comparing it with the nearby M3 I would place it around 6th magnitude.

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: Another Catalina
« Reply #1 on: 19:16:42, 08 January, 2016 »
You've done a good job keeping both comet and stars sharp and still background looks good.
Tapio

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

Offline Nomis Elfactem

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Re: Another Catalina
« Reply #2 on: 20:54:58, 12 January, 2016 »
Nice catch Peter... you've done a whole lot better then me !

S.
Simon

Scopes: Astro-Tech AT-111EDT Triplet, TS65ED Quad, Orion ST80, Modded PST-90 Solar Scope, PST Cak (on loan)
Cameras: SXVF H694, Atik 16ic, Canon EOS 600d, DMK41, DMK21, QHY 5L-II (mono & colour)
Accessories: SX USB Filter Wheel, SX OAG, Baader LRGB Ha SI OII Filters, SharpSky Focuser
Mount: EQ6 (EQMOD), SW Star Adventurer, plus a lot (and I mean a lot) of other bits and pieces

Offline jhughe22

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Re: Another Catalina
« Reply #3 on: 09:02:25, 14 January, 2016 »
 :big_clap: :big_clap: :thumbup:
8" f/5 Sky-watcher 200P f=1000,  6" f/9 Ritchey-Chr├ętien Revelation Astro f=1370, 3.5" f/10 Meade 90 with 2" focuser mod f=900, 3.5" f/13 Maksutov-Cassergrain f=1200...  Heavy Duty EQ est-60lb payload.  iOptron Minitower v2, Skywatcher SupaTrak, and a damaged EQ-3 Mount. Latest;- EQ-5 with dual drive.
Camera's;- Nikon D5000, Sony Nex5, Samsung NX2000, Altair GPCAM AR0130C, Celestron NexImage SSI

 

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