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Old 26-11-2024, 08:50 AM
Startrek (Martin)
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NGC 2070 Tarantula Nebula (in between the clouds)

At my City suburban location I have a restricted view of the SE to SW due to my 2 storey roof line and huge council tree , therefore I can only capture a few hours or so on this target each night.
The weather over the past month has been cloudy but last week offered 2 relatively clear nights ( some passing cloud around 11.30pm to midnight)
I was lucky enough to capture around 4 hours on the Tarantula over 2 nights although I discarded about 15 subs due to cloud and a huge tree in which one smaller branch just blocks its path.

New Moon period ( start )
Bortle 8 heavy light polluted skies
Sky conditions were generally clear with late passing cloud
Atmospheric conditions quite stable
8” f5 Klaus Helmerich Carbon fibre Newtonian ( built it myself )
Skywatcher EQ6-R pro mount
ZWO2600MM. Cooled to -10C , Offset 50 , Gain 100 ( HCG )
ZWO 7x2 Filter wheel
TS GPU coma corrector
Antlia 2” SHO 3nm filters
Goto and Nav EQMOD and Stellarium
Acquisition APT
PHD2 Multistar Guiding ( 0.45 to 0.55 arc sec )
Ha 52 x 2 min subs
Oiii 35 x 2 min subs
Sii 37 x 2 min subs
Dithered every sub
Full Calibration Suite
40 x Flats for each filter
40 x Flat Darks for each filter
40 x Darks from my Library
Analysed , reviewed , calibrated, stacked and aligned in ASTAP
Post processed in Startools V1.8 using Compose module and mapped SHO

The 2 min subs through my 3nm filters worked really well for such a short integration of only 4 hours

Very happy with the end result in SHO

Astrobin link for full resolution……,

https://www.astrobin.com/dbv2zz/

Attached native version and crop version in 200kb IIS

Thanks for looking
Comments welcome

Martin
Attached Thumbnails
Click for full-size image (NGC 2070 Tarantula Nebula SHO rev 3.jpg)
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Click for full-size image (NGC 2070 Tarantula Nebula SHO rev 3 Crop.jpg)
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  #2  
Old 26-11-2024, 09:31 AM
Bodon (Steve)
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Martin very nice spider there
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  #3  
Old 26-11-2024, 06:52 PM
TrevorW
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Yep I like that
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  #4  
Old 27-11-2024, 10:24 AM
Startrek (Martin)
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Quote:
Originally Posted by Bodon View Post
Martin very nice spider there
Thanks Steve,
Amongst all the line of sight issues I have imaging this target , I was fortunate to have no moon around whilst capturing Oiii data. As you know the moons glare plays havoc with Oiii.
Cheers
Martin
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  #5  
Old 27-11-2024, 10:25 AM
Startrek (Martin)
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Quote:
Originally Posted by TrevorW View Post
Yep I like that
Thanks Trev,
Yep a quicky but a goody
Martin
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Old 27-11-2024, 12:25 PM
Davidpmcadam
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Very nice Martin. On the south coast the clouds have been ridiculous, either low level or high level.
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  #7  
Old 27-11-2024, 07:12 PM
Startrek (Martin)
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Quote:
Originally Posted by Davidpmcadam View Post
Very nice Martin. On the south coast the clouds have been ridiculous, either low level or high level.
Thanks David
Yes it’s been cloudy up here in Sydney over the past few months but you do get the odd clear night or two , you just have to ready for it. My rig is set up semi permanent in Sydney ( on the paved area just outside the pool ) with just a scope cloak tied down over it so I can be imaging within 20mins or so. 6 years ago I use to tear down and rebuild my rig and it drove me crazy. Permanent or semi permanent is the only way to image from home.

Cheers
Martin
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