Cabrillo College Observatory ClearSkyClock
5-day forecastAs of Nov 11, 2026. Check out past events here. MyFlexActivities
Publishing: Overleaf to Write Papers , How to Report a CBET , and 50 most recent CBETs , HowTo Paper for JOA
Asteroid Occ Predictions: Steve Preston's , Derek Breit's , Calif Path Maps , GAIAMoons Predictions , IOTA Observations , Report Template ,
Reporting Observations: IOTA Hub , Reporting ACROSS events
ACROSS Predictions with maps , RECON Predictions through 2029 , RECONN Trojan Events Upcoming ,
LineA Occultation Prediction Database (very comprehensive) , Naming Minor Planet Discoveries , NEA Occultations alerts at RASC
LuckyStar Portal , Journal of Occultation Astronomy Issues , GAIA Astrometric Asteroid Binaries List , RASC high value '25 Occs
Software: 2026-InstallPyMovie/PyOTE Using AVIsynth , TANGRA , Making Aladin Finder Charts , Visual Limiting Mag , Registax and Occ Video , UCAC4 details
Install PyOTE/Pymovie/PyOTE , PyOTE 8min tutorial , PyOTE HowTo , PyMovie Tutorials , FFmpeg edit/convert video , PyMovie: Vimeo HowTo , My PyMovie/PyOTE Instruc
Making C2A Charts , YouTube IOTA Videos , Journal of Double Star Observations
Brad Timerson's LiMovie vid , My "Using LiMovie" , Reported Asteroid Occulations , OWc predictions
Equipment: Watec 910HX , specs , My Tests , Docs , Response curve , Video astrometry , PC165DNR , Video recording Occultations ,
My "Using 8SE/Video/VTI 2nd Unit" (pdf) , HristoPavlov.net , f/3.3 vs 0.5x Orientation 8SE , Occ8SE-Instructions
MISC: Star cross ref , South Bay Grazes , SF Grazes , Lunar Phases , Driving Distance Calculator , Remote Control of PC165DNR ,
Atmospheric Extinction vs. Altitude=.4/sin(a) mags , magnitude vs. luminosity calculator
M67 Mag Chart , Taking Dark, Flat video
Cabrillo College Observatory ClearSkyClock 5-day forecast
Nov 14 Sat eve - Rio Theater - Mountain Film Festival
***Nov 15 Sun eve - Occultation of a 14.7 Star by Trojan Asteroid Priamus - from Willits. Odds on centerline 95%. LuckyStar event. Too far, too faint.
***Nov 15 - Sun eve 10pm - Occultation of a W=12.5 Star for 0.8s by strange shape or contact binary asteroid (3169) Ostro, from Carrizo Plain at Simmler Rd. Weekend trail run trip there, ending with event and drive home? But rain is predicted in CA. Planning page
Nov 17 - Mon 4pm - meeting with Lisa C for poster paper on Quaoar moon discovery, at STEM bldg
*** Nov 18/19 - Tue eve GaiaMoon event on 11.9 star.
*** Nov 21 - Sat morning 12:17:50am - Occultation of a W=12.9 Star by Trojan Asteroid 2000QE42, from Joshua Tree National Park. Luckystar event. Centerline probability 54%. Weather map
Nov 24 - deadline to submit paperwork for Twitter acquisition. Gemini is very helpful in getting this done efficiently.
Dec 1 - Dr. Palachek 6:30am
***Dec 4 - 6:50pm - Occultation of a W=14.7 Star by Trojan Asteroid () Trolius, through Santa Cruz Mtns. High value. Planning page
***Dec 7 - 11pm - Occultation of a W=12.6 Star for 1.7s by Trojan Asteroid 1999 TX11, from MIRA. Odds only 9% in inner path. Poor rank. 10% from MIRA. 9% from Santa Cruz. But bright and high overhead and easy if it we get lucky. Worth a go outside at home.
Apr 23 Fri eve - 11:41pm - Occultation of a 13.2 Star for 0.75s by Martschmidt, from CA/Ore/NV border. Maybe a trip to get the moon again?? Planning page
Dec 8 - RECON occultation of a TNO, from the Mt Lassen Area. As of Aug '26, this is the next RECON event on their list that is in CA.