Select a Gallery... 2008_12 Paul Dybvig 2008_12_Paul_Dybvig 2009_01 Paul Dybvig 2009_03_01, Paul Dybvig, Comet Lulin Bob Hebert Bob Kepple Bruce Gary Chris Hanawalt Crazy Ed Dave Healy Dave Healy Comets Dave Healy JBO Dave Healy JBO 32inch Install Del Gordon Dennis Whitmer Doug Snyder Doug Snyder Building PO Doug Snyder Light Pollution 2003 Emil Bovich Gary Myers Glen Sanner HAC Member Photos HAC Observatories 2007 Hans Clahsen High Knoll Obs Holmberg GX Howard Day Jim McCaw John Cassella Keith Mullen Mike Shade Mike Shade 2003 Mike Shade 2004 Mike Shade 2005 Paul Dybvig 1 Paul Dybvig 2 Paul Dybvig Building Observatory Phil Stickney Rich Swanson Ward Sherwood 2009_03_01, Paul Dybvig, Comet Lulin All images in this gallery: 14-inch Mak-Newt, F4.5 on a ParamountME mount, using a Canon Digital Rebel 350xt (ISO 800) modified by HuTech. HuTech IDAS-P2-FF filter (light pollution front filter for the Canon). FOV: about 0.8 X 0.53 degrees. Guide scope is a Borg 101ED using an Orion SSAG autoguider. Also using TheSky 6, ImagesPlus, MaximDL, and PhotoShop CS2. No stacking. No dark or flat field frames. © 2009 Paul Dybvig. All rights reserved. 1280 x 853 | 1/2 | 1/4 size Comet Lulin Sunday, March 1, 2009 Exposure: 300 sec., unguided Note the difference between tracking on the comet and tracking at the normal sidereal rate. © 2009 Paul Dybvig. All rights reserved. 1280 x 853 | 1/2 | 1/4 size Comet Lulin Sunday, March 1, 2009 Exposure: 600 sec., guided Note the difference between tracking on the comet and tracking at the normal sidereal rate. © 2009 Paul Dybvig. All rights reserved.