Cabrillo College Observatory ClearSkyClock
5-day forecastAs of Oct 18, 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
Oct 22 - Thur 10am - Pre-Brief w/ Zeke and IPCC scientist on energy and temperatures. See Oct 15 email for zoom link
Oct 23-27 Fri-Tue: EFI "University Challenge" Conference at UCSC
== Oct 23 3:30pm, I will be interviewed at Hotel Paradox
Oct 25 Sun morn - 11hr UT - RECON Occultation of 14.9 Star by Mentor for 10s. G=16.4, Mentor=14.2 - very difficult even for MIRA
Oct 26 Mon eve 9:03:25pm - Occultation of a W=9.0 Star by 1999 CG44, from eastern Santa Cruz. Karl near centerline. I will have to try from outside Rm 806 at Cabrillo. Planning page. Alt=33.
Nov 1 Sun eve 11pm - Occultation of a synchronous binary asteroid (1338) Duponta from Calaveras Reservoir. A worthy trip with the van, already reserved. No campgrounds on the path that I can find. No occultations of this photometric binary have yet recorded the moon. Planning page.
Nov 6 - last day to propose for Flex Week presentation (e.g. "Climate knowledge your students need to know - but don't")
Nov 9 - 13UT - RECON Occultation of 14.2 Star by (5648) by 15.0 () Axius, for 5.3s, from Central CA
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 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.