As of Feb 14, 2025. Check out past events here.
NEA Occultations alerts at RASC , How to Report a CBET , and 50 most recent CBETs , RECONN Trojan Events Upcoming
Asteroid Occ Predictions: Steve Preston's , Derek Breit's , Calif Path Maps , SF Extra Event , IOTA Observations , Report Template , Reporting ACROSS events
LuckyStar Portal , Journal of Occultation Astronomy Issues , GAIA Astrometric Astroid Binaries List , UCAC4 details
Software: Using AVIsynth , TANGRA , Making Aladin Finder Charts , Visual Limiting Mag , Registax and Occ Video ,
PyOTE 8min tutorial , PyOTE HowTo , PyMovie Tutorials , FFmpeg edit/convert video , PyMovie: Vimeo HowTo , My Zoom 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 , OW Cloud predictions
ACROSS Predictions with maps , RECON Predictions through 2029
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
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
Free
WiFi hotspots in California , Comet /DSO Photo Op's
M67 Mag Chart , ToBuy
Cabrillo College Observatory ClearSkyClock 5-day forecast
Feb 21 Fri eve 9:21pm - Occultation of a 13.4 star by (59680) 1999 JW102, from Natural Bridges. Alt=35, Az=254 in Taurus. Dur=0.4s. Cabrillo College is inside the 1-sigma zone on the north side. Planning page
Feb 21 Fri eve 10:57pm - Occultation of a 12.3 Star by () 2005EM118 - from Scotts VAlley. Alt=59. Threads between SC and Karl. But Karl's on the edge of the 1-sigma zone so observing is worth while.. Planning page
Feb 22 Sat eve 8pm - Occultation of a 15.8 star by Eioneus - planning page (not done yet)
Feb 23 Sun 10:17pm - Occultation of a W=12.9 Star by new binary asteroid Martschmidt from Santa Cruz area. Planning page
Feb 26 Wed 6:30pm - Star Party for Aptos High at Cabrillo Observatory. Heavy clouds will cancel.
Mar 2 - deadline to have spent the $ for the AM3 mount from the FGSS grant.
Mar 6 Thur eve - Graze of 1.7 mag Beta Tauri from Carrizo area; 5.5n 55%+ moon, alt=62. Maybe look for asteroid event(s) too, and make this a van trip for Kirk and also Bernard or other astro photographers? Thur through Saturday, drive back Sunday?
Mar 7 Fri - NAS deadline for spending on equipment through P.O.'s
Mar 13 Thur eve - Total lunar eclipse. 9.3 graze through Hayward area 9% after end totality
Mar 22 Sat morn 4am graze of 6.1 but 8 deg alt,
Mar 23 - Saturn ring plane crossing, rings disappear, but only 9 deg from sun and therefore is unobservable
Mar 31 Mon 2:40pm - Dr. Holloway derm. Next to the pets place on Soquel (but this is during Spr Break)
Mar 31 Mon - deadline for cheapest entry to Mammoth Gran Fondo '25
Mar 31 Mon eve - graze of 4.7 mag Epsilon Arietis, 1.3" 5.6+5.6 double star, from Hayward area.
Apr 1 Tue - daylight occultation of Plieades around noon. on 16+ moon.
Apr 5 Sat - Mt Diablo 50k Race and Half Marathon and the 50k course
Apr 5 Sat - give talk at SJAA on Asteroid astronomy
Apr 7 Mon 7-8pm Uranus occuls a 9th mag star. Hurt by twilight.
Apr 10 Thur 6-9pm - Astro 27 pre-trip meeting
Apr 12 Sat - 7:30pm SJAA talk I give on Asteroids
Apr 14 - P-show
Apr 15 late eve - Occn of 2.9 mag Pi Scorpii on 90- moon
Apr 18-20 Fri-Sun: Astro 27 at Laguna Mtn. Final meeting May 2 optional for students.
May 6 - sun crosses Saturn ring plane and rings become very dim and irregular and quite thin. In morning sky
May 17 - TrailQuake Half marathon
May 31 - Wildcat Half Marathon
Jun 29 6pm Mars misses 24+ moon in late afternoon by just a few arcmin. Graze steep, in Baja. Photo op only.
Aug 9 - Bear Creek Half Marathon
Aug 16 - June Lake Triathlon
Aug 23 - Double DipSea Race
Oct 4 - Auburn Half Marathon
Oct 18 - Mt Diablo Summit Stomp
November Late- mid December: Saturn's rings are less than 0.5 degree inclined, but still bright because now sunlit again.
Sep 5 - internet hosting plan expires and you must renew with the options you now desire before this date, else auto-charged.
Dec 22 - 130 ft asteroid may hit Earth. Get your bucket list wrapped up!