Wednesday, February 22, 2012

Comet C/2009 P1 Garradd

Image taken on 20 Feb 2012 , 5 AM EST. 12 exposures 2 minutes each stack in DSS. 10"inch F-5 Newtonian telescope and modified Canon Xsi DSLR camera.Telescope location: Tiny ON Canada.

Roman's Astrograph

It's me and my telescope. Home made 10"inch F-5 telescope with R.F.Royce mirror.
Small Guide Scope/on top/ made from 50 mm Celestron finder and Orion Star Shoot DSCI CCD camera.Note:two heavy duty Tube Rings. Top one support secondary mirror and bottom tube ring support plate with primary mirror.Mount is Losmandy G11 with Gemini I GOTO. Telescope weight 50 lbs.Telescope specifications > Aperture:254mm -10"inch . Primary mirror:conical cross-section made by optician Robert F. Royce. Secondary Mirror: 2.6" Antares Optics .Focal length:1250 mm -50". Focal Ratio F-5.
Tube diameter: 12" aluminum from Hastings Pipe Co. Focuser:2" Feathertouch Starlight Instrument equipped with Micro-Touch Wireless Autofocuser , it allows automatic focusing with CCD and DSLR cameras,digital readout of focus position as well as information used for programming the temperature compensation feature/when temperature change also focus is not stable/.Tube Rings:12" Parallax Instr.Thanks for looking:Roman Kulesza.