Astrophoto: Intes Micro ALTER-M606 (6" f/6 MCT), Astrotech AT6RC (6" f/9 RC), 2x Tair-3 lenses (300mm f/4.5)
Visual: Celestron 8 SCT ('77 Orange Tube, 8" f/10), Selsi #247 Refractor (aka Towa #339, 80mm f/15), Tasco 11TE-5 Newtonian (4.5" f/7.9), Galileoscope (50mm f/10)
Mounts: Celestron CI-700, iOptron ZEQ25GT, Celestron CG5-ASGT, plus a couple old EQ2s
My Astrophotography Site: http://ap.x-wing.ca/
Quote:I've read over and over that with proper alignment a CG-5 can do 1-2 minute exposures....unguided.
Well if I will be auto guiding how much longer is possible?
My total load weight will be right around 15 lbs.
SCOPES: CPC1100; AT66ED; EdgeHD 8";SVR90T RAPTOR
MOUNTS: CGEM; Vixen GP2; iOptron Sky Tracker; Celestron AVX
CAMERAS: Canon 60D;Lodestar
EYEPIECES:TV N31T5;Delos14;Delos8;Pan27; PL20;PL25;PL32;TMB9
The Lord sits enthroned above the circle of the earth...He stretched out the heavens like a canopy.
Ralph For deep space objects, bigger is better.. 10 dob XT10, C8 OTA my new favorite, C6RGT, Omni XLT 150R, Nexstar 80gt, Canon T2i Brent Oliver mod, Canon T3i
Uncle Rod Uncle Rod's Astroblog: http://uncle-rods.blogspot.com/
Quote: Can I run the guiding program and something like Backyard EOS from a little netbook computer running Windows 7 light?
Quote:Quote: Can I run the guiding program and something like Backyard EOS from a little netbook computer running Windows 7 light? Well I run PHD (guiding), Backyard EOS, Nebulosity and sometimes also Stelarium all from my old 1st gen Atom netbook at the same time.... so yes, I suspect your newer win7 netbook will do fine.
Quote:I've read over and over that with proper alignment a CG-5 can do 1-2 minute exposures....unguided.Well if I will be auto guiding how much longer is possible? My total load weight will be right around 15 lbs.
- Jared Willson
Clear Skies! Mike ------------- My Site
Skywatcher 6 inch F-5 Newtonian,Lunt LS60THa,Orion ED80T CF ED Triplet,Vintage C-8(1983),Celestron 8se, Celestron CG-5,iEq45, Atik 314L+Mono,Atik 314 L+ OSC, Imaging Source DMk 41AUO2 My images viewed here.. http://www.astrobin.com/users/northisup2/
Quote:I've noticed that many people take exposures of varying lengths. I get that this is to avoid overexposure of one area (like the core of M31) while still being able to properly expose the outer edges and dust lanes. One of the best shots I found of M31 (using the same DSLR that I have...1000D) used exposures of 30 seconds, 2 minutes & 8 minutes (for a total of 2.4 hours). Of course the focal length and "speed" of the optics are all going to affect this as well.Trial and Error I guess. Just trying to get off to good head start.
Quote: My CG-5 has annoying declination backlash which turns auto guiding into operator intervention guiding . The dec shaft is not true so I have varying backlash depending on the declination of the object. The mount gave unacceptable results at 750 mm focal length . I gave up and bought a different mount for guided astrophotos (one that has a spring loaded dec worm). Note very happy with his one!! Granted that maybe if I took the time with precise balance or hypered tuned it or ?? I could have got it to work but I moved on. I still have the CG-5 for visual though.
Paul B. Jones http://www.astrobin.com/users/bunyon/
Greenfield, Indiana USA
Deforked 1979 Orange C8, WO 66mm APO, 80mm f/7 refractor, Sears 60mm refractor, 80mm Orion short tube
Meade LX80 IOptron zEQ25
NSN Channel: BigAppleSkies
CPC 1100 with HD Pro Wedge with ETX-70 Finder Celestar C8, C80ED and PST Istar 150 Anistigmatic R30 on CGEM Jason 313 from 1975! Mallincam Extreme & Mallincam SSIc & Mallincam Micro DSI Pro, Orion SSAG, GPUSB, Nautilus Filterwheel JMI, Celestron and Orion MotoFocus, FCUSB1&2 Hyperion 5,13, ES 18, 30, OR 18, 25 TV 2.5x Powermate, WO Binoviewer with pairs: TV 7 Naglers, WO 20 and RKE 28