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Hello,
finally some good skies and my first opportunity to use my TSA120 for imaging during a great weekend observing and imaging at @OzEclipse (Joe's) place.
Please find my latest image of NGC5139 attached. Captured using Televue 0.8x reducer, EOS-RP DSLR, ISO 800, 30x30sec subs stacked in DSS, and processed in Photoshop.
Thanks to Joe for loaning his TV 0.8x flattener/reducer (for 800-1000mm FL refractors). The TSA definitely does not have a flat field, and while I have cropped this image, the stars were to my satisfaction in all corners at full frame.
This reducer, will at least for me, give me an option to the Takahashi model specific flattener (at approximately 1/3 of the cost).
Thanks for looking and I hope that you enjoy.
Phil
Telescopes: Takahashi TSA120; Genstar 10" (Barry Arnold optics), Skywatcher ST80 (guide) Eyepieces: Televue Nagler 7/11/22mm, Takahashi LE50mm, Denkmieir 14mm, Andrews (Moonfish) 30mm Cameras: Canon EOS RP, Player One Neptune-C II Planetary (IMX464), QHY Polemaster Lenses: Canon 300mm F4 L, Tamron 24-70mm G2 F2.8, Samyang 14mm F2.8, Rokinon 8mm Mounts: Losmandy G11G, Skywatcher Star Adventurer I PRO Binoculars: Bushnell Forge ED 10x42
Graeme1858 wrote: ↑Sat Mar 16, 2024 8:47 am
That's a fine image Phil.
Zoomed in its dense core really becomes apparent.
Thanks for posting, I can't see that one from UK.
Graeme
Hi Graeme,
We are very lucky to have three of the most spectacular naked eye globulars between declinations -50 and -70.
1. NGC6752
2. Omega Centauri
3. 47 Tucanae
Joe
Amateur astronomer since 1978...................Web site :http://joe-cali.com/ Scopes: ATM 18" Dob, Vixen VC200L, ATM 6"f7, Stellarvue 102ED, Saxon ED80, WO M70 ED, Orion 102 Maksutov, ST80. Mounts: Takahashi EM-200, iOptron iEQ45, Push dobsonian with Nexus DSC, three homemade EQ's. Eyepieces: TV Naglers 31, 17, 12, 7; Denkmeier D21 & D14; Pentax XW10, XW5, Unitron 40mm Kellner, Meade Or 25,12 Cameras : Pentax K1, K5, K01, K10D / VIDEO CAMS : TacosBD, Lihmsec. Cam/guider/controllers: Lacerta MGEN 3, SW Synguider, Simulation Curriculum SkyFi 3+Sky safari Memberships Astronomical Association of Queensland; RASNZ Occultations Section; Single Exposure Milky Way Facebook Group (Moderator) (12k members), The Sky Searchers (moderator)
Beautiful image! The core is well resolved and sharp.
Jim Thommes Jim's Astrophotography
David Levy Maksutov Newtonian, Celestron Edge 9.25, FSQ-106N Refractor (on loan), WO ZenithStar 66 APO Refractor, WO Megrez II APO, Sigma 150 mm EOS Lens
Losmandy G11/Gemini, iOptron GEM45, Celestron Advanced VX, iOptron CEM70
ST8300M Camera, Atik 383L, Canon 350D (IR cut modified), ASI1600M, ASI294M, ASI260M
Observatory - Desert Astronomy Association (Shelter Valley, CA)