The David Dunlap Observatory has a 78-yr old 1.88m telescope. We deal with Canadian astronomical and historical issues.
http://www.theddo.ca Cellphone photo: Rings of Saturn thru 8-inch telescope at David Dunlap Observatory Sat Apr 28
http://www.theddo.ca Cellphone photo of the Moon through 8-inch telescope at David Dunlap Observatory Sat. Apr. 28
@UndauntedMovie Yes, we have visited the historic Allegheny Observatory in Pittsburgh. Good luck with your film!
Used my old comet photo from 3 May '06 of Comet S-W 3 & M13 last night, 5-minute shots clip @ 135mm f2.8
Discovery and the Shuttle Carrier Aircraft flew past my place this morning
From 10 years ago today, Apr 6 2002: Bright Comet Ikeya-Zhang, the International Space Station (4 exps) Cassiopeia
Mars cellphone photo thru my telescope at @ontsciencectr @EarthHourCanada @rasc
Limb of the Moon cellphone photo thru my telescope at @ontsciencectr @EarthHourCanada @rasc
1st-Order Spectrum of Arcturus, much brighter & easier to tease out w/ color filters than supernova spectrum. Note H-Alpha absorption line on the right red end.
Messier 95 Supernova 2012aw 15x30s sum @f/6.3 1250mm fl, ST-237A CCD, StarAnalyzer 100 grating but no SN spectrum
Saturn image taken with my cellphone camera held up to 17mm Axiom Eyepiece on C8 last night
Good observing @ David Dunlap Observatory Sat nite: The Blue Snowball, Jupiter w/ Io, Europa & Ganymede, & Eskimo Nebula
Tiangong & X-37B pos'ns from a moment ago. Tiangong in white, X-37B in blue. The orbits will always meet @ right angles & extreme relative speed
@RASC Toronto Centre booth at Richmond Green New Year's Eve Party
Jupiter, photo through David Dunlap Observatory 1.88-m telescope tonight http://www.theddo.ca
Gamma Andromedae yellow-blue binary star photo through David Dunlap Observatory 1.88m telescope tonight http://www.theddo.ca
Total Lunar Eclipse visible Saturday evening from Kuwait City. Yes, I travel. Masaa' al-khayr!
Thanks @SDASM for tweeting @CASMuseum, I found Canuck WW1 Ace Billy Bishop's war medals in you 20Jan2010
If you take a cellphone photo of the Sun thru solar filter w/8in Dobsonian telescope with 32mm eyepiece, this happens!
Cellphone photo of Jupiter taken w/16inch @DunlapInstitute Boller & Chivens Telescope tonight, not my best
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