Affordable DSO Astrophotography

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Autoguiding HardwareGuide ScopeTypically an inexpensive refractorShorter f/l can work well (e.g. 400 mm)Often doubles as wide-field scope (e.g. William OpticsZS-66 SD doublet)RingsCommunicationStandard USB / serial link + ASCOM (http://www.ascomstandars.org)ST-4 “autoguide” input + ShoeString adapter (http://www.shoestringastronomy.com/)Monday, November 23, 2009
Autoguiding HardwareCameraWebcamsLong-exposure webcams & LPI / NexImageLess-expensive astro-cams (e.g. Meade DSI used or w/scope purchase)Orion Starshoot autoguider1/2”, 1.3 megapixelMonoOnboard ST-4 output$280Monday, November 23, 2009
Page 1 and 2: Affordable DSOAstrophotographyCraig
Page 3: $49,000 QuestionMonday, November 23
Page 6 and 7: Tony HitchcockMeade LXD55 SN10, Baa
Page 8 and 9: Garrett GraingerOrion ED80, Canon R
Page 10 and 11: Scott AnttilaHPN 8” f/5, MPCC, Ca
Page 12 and 13: Chuck KimballExplore Sci ED80, Cano
Page 14 and 15: Stephen HamiltonMeade LXD-75 SN8, M
Page 16 and 17: RoadmapTelescope: Keep the focal le
Page 18 and 19: Telescopes: Short and sweet8” f/5
Page 20 and 21: Newt Cons: Size and comaCons:Weigh
Page 22 and 23: Coma is driven by position & f-rati
Page 24 and 25: Baader MPCCCorner of Trifid2(~12 mm
Page 26 and 27: Short refractors cons: Samplingrate
Page 28 and 29: Think small scopes can’t go deep?
Page 30 and 31: Think small scopes can’t go deep?
Page 32 and 33: Image Sampling: 400 vs. 1000 mmGoin
Page 34 and 35: What spending more gets you:Stabili
Page 36 and 37: Rules of affordable mountsDo not ov
Page 38 and 39: Tuning / adjusting is straightforwa
Page 42 and 43: Autoguding SoftwarePHD Guiding (Fre
Page 44 and 45: Garrett GraingerAtlas EQG, 6 minute
Page 46 and 47: Monday, November 23, 2009“100 min
Page 48 and 49: Michael GarvinCelestron ASGT, HPN 8
Page 50 and 51: What paying more on your mountgets
Page 52 and 53: What spending more gets you:Bigger
Page 54 and 55: FOV of 11 mm chipsMonday, November
Page 56 and 57: Atik 16IC: Adjacent bias framesMond
Page 58 and 59: Canon XSi: Adjacent bias framesMond
Page 60 and 61: Urban M51: 350XT vs. 3 MonoCCDsVery
Page 62 and 63: Urban M51 Rematch: XSi, Color& Mono
Page 64 and 65: Capture & ProcessingK3CCDTools ($50
Page 66 and 67: Photoshop: Even older versions arei
Page 68 and 69: $49,000 QuestionCelestron C8-N ASGT

Affordable DSO Astrophotography

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