When & what to see

Dates of the full moon in 2008

july 18, august17, september 15, october 14, november 13, december 12.

Dates of the full moon in 2009

january 11, february 9, march 11, april 9, may 9, june 7, july 7, august 6

september 4, october 4, november 2, december 2.

EVENTS ASTRONOMY

Will Boattini be a Bright summer comet ?

Comet Boattini in the constellation Pices.

Comet Boattini in the constellation Eridanus, Taurus, Cetus and Aries.

Comet Boattini in the constellation Canis Major and Lepus.

Comet Boattini in the constellation Aries and Pices.

C/2007 W1 (Boattini)

Orbital Elements

The following orbital elements are taken from MPC 62271:

C/2007 W1 (Boattini)

Epoch 2008 June 23.0 TT = JDT 2454640.5

T 2008 June 24.8863 TT MPC

q 0.849658 (2000.0) P Q

z -0.000212 Peri. 306.5542 +0.1972807 +0.9775597

+/-0.000005 Node 334.5238 -0.8356216 +0.1282730

e 1.000180 Incl. 9.8893 -0.5126567 +0.1671019

From 344 observations 2007 Nov. 20-2008 Mar. 16, mean residual 0".6.

Elements are also available for the current standard epoch:

C/2007 W1 (Boattini)

Epoch 2008 May 14.0 TT = JDT 2454600.5

T 2008 June 24.8880 TT MPC

q 0.849650 (2000.0) P Q

z -0.000161 Peri. 306.5504 +0.1973249 +0.9775522

+/-0.000005 Node 334.5303 -0.8356104 +0.1283190

e 1.000137 Incl. 9.8892 -0.5126579 +0.1671107

Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2

WARNING!

This comet gets close to the sun during the period covered

in the ephemeris below. Observers are warned to be wary

of observing comets near the sun. NEVER point any kind of

optical instrument at the sun--instant blindness will be

the probable result.

The Moon close to the M45 in the constellation Taurus.

In the morning of 20 September local time Greece.

Difference with UT = 3 hours.