Contact information: Inside this issue: Info Officer (General Info) – [email protected] Website Administrator – [email protected] Page Postal Address: January Club Calendar 3 Fort Worth Astronomical Society Celestial Events 4 c/o Matt McCullar 5801 Trail Lake Drive Sky Chart 5 Fort Worth, TX 76133 Moon Phase Calendar 6 Web Site: http://www.fortworthastro.org Facebook: http://tinyurl.com/3eutb22 Lunar Occultations/Conjs 7 Twitter: http://twitter.com/ftwastro Planet Vis & ISS Passes 8 Yahoo! eGroup (members only): http://tinyurl.com/7qu5vkn Mercury/Venus Charts 9 Officers (2014-2015): President – Bruce Cowles, [email protected] Minor Planets Charts 10 Vice President – Russ Boatwright, [email protected] 11 Sec/Tres – Michelle Theisen, [email protected] Comet Lovejoy Data Board Members: Jupiter Charts 14 2014-2016 Young Astronomer News 15 Mike Langohr Tree Oppermann Good To Know Infograms 15 2013-2015 Cloudy Night Library 16 Bill Nichols Monthly AL Observing Club 18 open Cover Photo: Comet 2014Q2 Lovejoy just after it Constellation of the Month 19 passed M79 on December 28, 2014. 15 Constellation Mythology 20 frames taken at ISO 3200 and 30 sec- onds. 8" f3.9 reflector and Canon T2i. Social Media Coord Help 21 Stacked in Registax. Taken By FWAS Prior Club Meeting Minutes 22 member Keith Frost. General Club Information 23 Observing Site Reminders: That’s A Fact 23 Be careful with fire, mind all local burn bans! Full Moon Name 23 Dark Site Usage Requirements (ALL MEMBERS): Maintain Dark-Sky Etiquette (http://tinyurl.com/75hjajy) FWAS Foto Files 24 Turn out your headlights at the gate! Sign the logbook (in camo-painted storage shed. Inside the door on the left- hand side) E d i t o r : Log club equipment problems (please contact a FWAS board member to Shawn Kirchdorfer inform them of any problems) Issue Contributors: Put equipment back neatly when finished Last person out: Matt McCullar Check all doors – secured, but NOT locked Keith Frost Make sure nothing is left out Jerry Keith The Fort Worth Astronomical Society (FWAS) was founded in 1949 and is a non-profit scientific educational organization incorporated in the state of Texas. 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PAGE 2 FORT WORTH ASTRONOMICAL SOCIETY JANUARY 2015 Sun Mon Tue Wed Thu Fri Sat 1 2 3 45th Anniversary (1970), Lost City Leslie Peltier's 115th Meteorite Fall (Hit Birthday (1900) House in Oklahoma) Isaac Asimov's 95th Quadrantid New Years Day Birthday (1920) Meteor Shower 4 FM 5 10th Anniversary 6 7 8 9 10 (2005), Mike Brown, et 30th Anniversary 405th Anniversary (1985), La Criolla Mete- al's Discovery of Dwarf (1610), Galileo Galilei's orite Fall (Hit House in 255th Anniversary Planet Eris Discovery of Jupiter's Argentina) (1760), Great Comet of Quadrantid Moons Io, Europa, Ga 110th Anniversary 1760 Near-Earth Fly- Meteor Shower nymede & Callisto (1905), Charles Per- by (26.5 Lunar Distance) Old Moon rine's Discovery of Liisi Oterma's 100th Gyula Fenyi's 170th Birth- Perihelion : 0.9833 AU Jupiter Moon Elara Birthday (1915) day (1845) Moon Apogee: 405376.5 km 11 12 13 LQ 14 15 16 17 Young 10th Anniversary Astronomers Meeting Starts @ 7pm-9pm (2005), Deep Im- 35th Anniversary (1980), pact Delta 2 Launch Discovery of EETA 79001 (Mars Meteorite) Joseph Helffrich's 125th Jean-Baptiste-Gaspard Bochart Birthday (1890) de Saron's 285th Birthday (1730) 1815th Anniversary 19 20 NM 21 22 23 24 (2000), Tagish Lake 175th Anniversary 55th Anniversary 15th Anniversary (2000), Meteorite Shower in (1840), Discovery (1960), Little Joe Discovery of Dhofar 019 FWAS Launch (Miss Sam Monkey) Meteorite (Mars Meteor- Canada of Antarctica Monthly Meeting ite) 5th Anniversary 35th Anniversary Starts @ 7pm George Van Biesbroeck's 135th (2010), Lorton Meteorite (1980), Voyager 1's Discovery 25th Anniversary of Saturn Moon Janus Birthday (1880) Fall (Hit Doctor's Office in Buzz Aldrin's 85th Birth- Ernst Abbe's 175th Birth- (1990), Hiten Launch Virginia) MLK Day day (1930) Moon Perigee: 359656.0 km day (1840) (Japan Moon Orbiter) 25 26 FQ 27 28 29 30 31 10th Anniversary (2005), Mike Brown, et al's Discovery of Haumea Moon Hi'laka Philibert Jacques 35th Anniversary 29th anniversary (1986), Melotte's 135th Birthday (1880) (1980), Voyager of the Space Shuttle 1's Discovery of Saturn Challenger explosion on Lubos Kohoutek's 80th Moon Epimetheus lift-off. Birthday (1935) See our full FWAS Event Calendar at: http://www.fortworthastro.com/meetings.html for the latest updates on what our club has scheduled JANURY 2015 FORT WORTH ASTRONOMICAL SOCIETY PAGE 3 CELESTIAL EVENTS THIS MONTH Jan 01 Th --:-- Venus: 16.7° E Jan 18 Su 00:17 Moon South Dec.: 18.6° S Jan 02 Fr 05:35 Moon-Aldebaran: 1.5° S Jan 20 Tu 07:14 New Moon Jan 03 Sa 11:53 Moon North Dec.: 18.7° N Jan 21 We 14:06 Moon Perigee: 359600 km Jan 03 Sa 19:51 Quadrantid Shower: ZHR = 120 Jan 21 We 23:01 Moon-Venus: 5.5° S Jan 04 Su 02:59 Perihelion: 0.9833 AU Jan 22 Th 22:40 Moon-Mars: 3.9° S Jan 04 Su 22:53 Full Moon Jan 25 Su 04:23 Moon Descending Node Jan 09 Fr 12:17 Moon Apogee: 405400 km Jan 26 Mo 22:48 First Quarter Jan 10 Sa 19:00 Mercury-Venus: 0.6° N Jan 29 Th 11:07 Moon-Aldebaran: 1.3° S Jan 12 Mo 09:33 Moon Ascending Node Jan 30 Fr 07:40 Mercury Inferior Conj. Jan 13 Tu 03:47 Last Quarter Jan 30 Fr 18:59 Moon North Dec.: 18.5° N Jan 14 We 13:59 Mercury Elongation: 18.9° E Jan 16 Fr 05:52 Moon-Saturn: 1.9° S (* Times are Local) INTERESTING OBJECTS Deep Sky* - (C41) The Hyadies, (M1) Crab Nebula, (M42) Orion Nebula, (M44) Beehive Cluster, (M45) The Pleiades, (M81) Bode’s Galaxy Double/Multiple Stars** - R AUR (Aur), NU CMA (CMa), 38 GEM (Gem), 100 HERC (Her), 6 LEO (Leo), 18 LIB (Lib), ADS 3650 (Ori) Constellations*- Auriga, Canis Major, Gemini, Hercules, Leo, Libra, Orion Asterisms*** - False Kids (Aur), Tuft in the tail (CMa), Zig Zag (Her), Saucepan (Ori) Lunar Features**** - Sinus Aestuum (R33), Orientale basin (R50), Hesiodus A (R54) *Distant Suns—C = Caldwell Catalog / M=Messier Catalog **Double Stars ***Asterisms ****R = Rükl Index Moon Map 2015 Key to Geocentric Ephemeris of the Moon: http://astropixels.com/ephemeris/moon/moonkey.html PAGE 4 FORT WORTH ASTRONOMICAL SOCIETY JANUARY 2015 January Sky Chart Fort Worth, TX (32.7555°N, 97.3308°W) Chart displayed is for January 15, 2015 @ 21:00 Local Time JANURY 2015 FORT WORTH ASTRONOMICAL SOCIETY PAGE 5 M CCN MR: Moon rise time - MS: Moon set time First and Last Lunar Crescent Visibility Monday 19 January 2015 —7.0am Lunar Crescent visible, only 23.7 hours before new moon Elongation: 13.9°, 1.7% illuminated, Position angle of crescent (from Zenith to East): 154° - crescent points to the lower left, Width of the crescent: 0.49', Length of the crescent: 136°, Moon lower limb relative to sunrise point at sunrise: dalt=11.1° daz=6.6° (i.e. westward), Altitude of moon center at listed time: 6.1°, Azimuth: 116.1°/ESE, Altitude of Sun: -6.5°, Moon rises at 6:25am, 66 minutes before the Sun . Wednesday 21 January 2015—6.6pm Lunar Crescent visible, 35.4 hours after new moon Elongation: 20.1°, 3.4% illuminated, Position angle of crescent (from Zenith to East): 188° - crescent is horizontal like a boat, Width of the crescent: 1.02', Length of the crescent: 164°, Moon sets at 7:34pm, 102 minutes after the Sun . Data and Image Source: http://www.calsky.com/ PAGE 6 FORT WORTH ASTRONOMICAL SOCIETY JANUARY 2015 Lunar Occultations of Planets and Moon close to Planets Friday 2 January 2015 Time (12-hour clock) Object (Link) Event Immersion of Hyadum II, Del1 Tau, SAO 93897 (Multiple star system), 3.8mag, Position angle=23.3°, Azimuth az=260.1°, Al- 1:03.4am Moon titude h=47.7°, RA= 4h23.8m Dec=+17°34.5', Moon phase=91.4%, Sun elevation hsun=-78.2° (dark limb) Immersion of Del2 Tau, SAO 93907 (Multiple star sys- tem), 4.8mag, Position angle=58.8°, Azimuth az=263.7°, Alti- 1:27.1am Moon tude h=42.9°, RA= 4h25.0m Dec=+17°28.6', Moon phase=91.5%, Sun elevation hsun=-74.6° (dark limb) Emersion of Hyadum II, Del1 Tau, SAO 93897 (Multiple star system), 3.8mag, Position Angle=333.2°, Azimuth az=265.4°, 1:36.1am Moon Altitude h=40.8°, RA= 4h23.8m Dec=+17°34.5', Moon phase=91.5%, Sun elevation hsun=-73.0° (bright limb) Emersion of Del2 Tau, SAO 93907 (Multiple star sys- tem), 4.8mag, Position Angle=299.7°, Azimuth az=272.5°, Alti- 2:29.4am Moon tude h=29.8°, RA= 4h25.0m Dec=+17°28.6', Moon phase=91.7%, Sun elevation hsun=-62.6° (bright limb) Saturday 3 January 2015 Time (12-hour clock) Object (Link) Event Immersion of 115 Tau, SAO 94554 (Multiple star sys- tem), 5.4mag, Position angle=119.8°, Azimuth az=290.9°, Alti- 5:50.1am Moon tude h=1.2°, RA= 5h28.1m Dec=+17°58.3', Moon phase=96.9%, Sun elevation hsun=-20.9° (dark limb) Friday 9 January 2015 Time (12-hour clock) Object (Link) Event Immersion of 58 Leo, SAO 118610 (Close double star), 4.8mag, Position angle=74.6°, Azimuth az=81.3°, Altitude h=-6.8°, 9:31.6pm Moon RA=11h01.4m Dec= +3°32.1', Moon phase=79.1%, Sun elevation hsun=-47.9° (bright limb) Emersion of 58 Leo, SAO 118610 (Close double star), 4.8mag, Position Angle=318.2°, Azimuth az=88.1°, Altitude h=3.8°, 10:21.3pm Moon RA=11h01.4m Dec= +3°32.1', Moon phase=78.8%, Sun elevation hsun=-58.2° (dark limb) Saturday 31 January 2015 Time (12-hour clock) Object (Link) Event Immersion of 26 Gem, SAO 96015 (Close double star), 5.2mag, Position angle=118.0°, Azimuth az=101.0°, Altitude h=49.0°, 7:39.1pm Moon RA= 6h43.3m Dec=+17°37.6', Moon phase=92.1%, Sun elevation hsun=-20.8° (dark limb) Data Source: http://www.calsky.com/ JANURY 2015 FORT WORTH ASTRONOMICAL SOCIETY PAGE 7 Chart created using: Cartes du Ciel Times and Data are for Fort Worth, Texas Locations Only Data Source: Heavens Above Bright Start Highest point End Pass Date ness type (mag) Time Alt.