Author of "What's Up" articles for CN Author "Touching the Universe" iUniverse Author "Deep Sky Observing" Springer Author "Nebulae and How to Observe Them" Springer 8" Celestron SCT and Vixen ED 80 on a CGEM Canon T2i camera and lenses for piggybacking
Remember to have your clouds spayed or neutered, contrails included.
18" f/4.2 homebuilt truss 12.5" f/6 hybrid tube dob
Present gear: 16-inch f/4.5 Dobsonian 50mm straight through-finder Green laser pointer 26mm, 32mm, and 38mm 70 degree field EPs 4.7mm, 14mm and 18mm 82 degree field EPs 8mm, 17mm, 21mm 68 degree field EPs 2X 2" Barlow Tirion star atlas (white stars, black background) hand-laminated Megastar Editor & co-founder Las Vegas Astronomical Society Observer's Challenge To nudge or not to nudge, that is the question www.fredrayworth.com
16" f/4.5 Sumerian Canopus 180 Skymax http://darkskysketches.blogspot.co.uk/
Nytecam 51N 0.1W Meade 30cm LX200 astrograph+C8+Ha+CaK PSTs+spectrographs SX M9+Lodestar-C+M CCDs/Canon 1100D DSLR My Meade astrograph-colour deepsky My supernova discovery My dome build/spectroscopes/DSO images/Lodestar colour images & videos
Quote:I remember trying UHC and OIII filters to try and bring out more detail in M1 but the filtered view had little effect from a dark site.Transparency was the key though, on the night I made the sketch below there must of been thin high cloud because structure within M1 would pop into view for a couple seconds then disappear again for a while...http://darkskysketches.blogspot.co.uk/search?q=m1