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Posts Made By: Dave Mitsky

May 24, 2005 03:57 PM Forum: After Dark

Tuesday, May 24

Posted By Dave Mitsky
Ganymede's shadow transits Jupiter from 10:35 p.m. EDT (2:35 UT) to 1:04 a.m. EDT (05:04 UT, 2005/05/25). At 11:32 p.m. EDT (3:32 UT) Europa is occulted by Jupiter.

Dave Mitsky

May 25, 2005 10:31 AM Forum: After Dark

Wednesday, May 25

Posted By Dave Mitsky
The Great Red Spot transits the central meridian of Jupiter at 11:05 p.m. EDT (03:05 UT).

Dave Mitsky

May 26, 2005 09:56 AM Forum: After Dark

Thursday, May 26

Posted By Dave Mitsky
The Moon is at perigee, subtending 32'48" from a distance of 364,242 kilometers, at 7:00 a.m. EDT (11:00 UT). A double Galilean satellite shadow transit (Europa's shadow is followed by Io's) occurs between 9:40 p.m. EDT (1:40 UT) and 10:45 p.m. EDT (2:45 UT). On Thursday and Friday evenings, Saturn's brightest satellite, eighth magnitude Titan, is three to four ring-lengths to the west of the planet.

Dave Mitsky

May 27, 2005 07:08 PM Forum: After Dark

Friday, May 27

Posted By Dave Mitsky
Neptune is 5 degrees north of the Moon at 5:00 p.m. EDT (21:00 UT). The GRS transits Jupiter's CM at 00:43 a.m. EDT (4:43 UT) Saturday morning, May 28.

Dave Mitsky

May 27, 2005 08:21 PM Forum: Star Parties

June 5th ASH Public Observing Session - Canceled

Posted By Dave Mitsky
Due to the Cherry Springs Star Party, the June 5th public observing session at the Astronomical Society of Harrisburg's Naylor Observatory has been canceled. The next session will take place on Sunday, June 12th at 9:30 p.m. (the time is wrong on the web page). For further information see http://www.astrohbg.org

Dave Mitsky
ASH trustee


May 27, 2005 09:01 PM Forum: Solar System Observing

Thursday Night's Double Shadow Transit

Posted By Dave Mitsky
There was a double shadow transit last night from 9:40 to 10:45 p.m. EDT (1:40 and 2:45 UT). Europa and its shadow were followed by Io and its shadow. I had some good views of the event through the 17" f/15 classical Cassegrain at the Naylor Observatory at 162, 202, and 259x. I took some shots with my Canon EOS Digital Rebel but only Io's shadow seemed to be captured upon preliminary review of the photos.

I also looked at and imaged a few deep-sky objects such as M104 and M80 as well as the Moon and Mars.

I saw a few other deep-sky objects such as M51, M5, and NGC 6826 through a fellow ASH member's 10" Meade SCT.

Dave Mitsky

May 29, 2005 05:29 AM Forum: After Dark

Sunday, May 29

Posted By Dave Mitsky
The GRS transits at 6:31 a.m. (10:31 UT).

Dave Mitsky

May 29, 2005 09:45 PM Forum: After Dark

Monday, May 30

Posted By Dave Mitsky
The GRS transits Jupiter's CM at 02:22 a.m. EDT (06:22 UT).

Dave Mitsky

May 30, 2005 08:10 PM Forum: After Dark

Monday, May 30 (continued)

Posted By Dave Mitsky
Mercury is at the ascending node today. The GRS transits Jupiter's CM at 6:22 UT (2:22 a.m. EDT). Last Quarter Moon occurs at 11:47 UT. Uranus is 3 degrees north of the Moon at 12:00 UT. A double Galilean satellite shadow transit (Europa's shadow is followed by Io) begins at 14:37 UT. The GRS transits at 2:14 UT May 31 (10:14 p.m. EDT).

Dave Mitsky

May 31, 2005 09:34 PM Forum: After Dark

Tuesday, May 31

Posted By Dave Mitsky
Mars is 30' north of the Moon at 5:00 a.m. EDT. An occultation is visible from the southern part of South America and central part of western Africa.

Galilean satellite events in UT (subtract 4 hours for EDT):

Ganymede begins a transit of Jupiter at 2:04 UT. The egress of Ganymede occurs at 4:34 UT. Europa enters occultation at 6:00 UT. Ganymede's shadow begins a transit at 6:38 UT. Io begins a transit at 8:00 UT. Ganymede's shadow leaves Jupiter's disk at 9:04 UT. The ingress of Io's shadow happens at 9:06 UT. The end of Io's transit occurs at 10:12 UT. Europa exits eclipse by Jupiter's shadow at 10:46 UT. The egress of Io's shadow takes place at 11:20 UT.

Dave Mitsky



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