Celestial calendar

MERCURY

Visibility of the Mercury in 1998:

Mercury can only be seen low in the east before sunrise, or low in the west after sunset (about the time of the beginning or end of civil twilight).

It is visible in the mornings between the following approximate dates:

January 1 to February 10,
August 22 to September 16,
December 7 to December 31.

The planet is brighter at the end of each period. The best conditions occur during mid-December.

It is visible in the evenings between the following approximate dates:

March 4 to March 30,
June 18 to August 6,
October 9 to November 26.

The planet is brighter at the beginning of each period. The best conditions occur during mid-March.

Date	Apparent Right Ascension	Apparent Declination	Magnitude	Date	Apparent Right Ascension	Apparent Declination	Magnitude
Jan.1	17^h 10.8^m	-20^o 24^'	0.0^m	Aug.25	9^h 11.4^m	14^o 03^'	1.3^m
Jan.13	18^h 01.7^m	-22^o 38^'	-0.2^m	Sep.2	9^h 35.0^m	14^o 33^'	-0.4^m
Jan.21	18^h 48.5^m	-23^o 16^'	-0.2^m	Sep.10	10^h 23.1^m	11^o 42^'	-1.1^m
Jan.29	19^h 39.5^m	-22^o 40^'	-0.3^m	Sep.18	11^h 18.9^m	6^o 23^'	-1.4^m

Mar.6	23^h 44.8^m	-2^o 19^'	-1.3^m	Oct.28	15^h 22.9^m	-20^o 37^'	-0.2^m
Mar.14	0^h 34.4^m	4^o 45^'	-0.9^m	Nov.5	16^h 07.1^m	-23^o 31^'	-0.2^m
Mar.22	1^h 07.3^m	9^o 58^'	0.2^m	Nov.13	16^h 45.3^m	-25^o 02^'	-0.2^m
Mar.30	1^h 13.2^m	11^o 23^'	2.4^m	Nov.21	17^h 05.0^m	-24^o 46^'	0.4^m

Jun.18	6^h 25.8^m	25^o 02^'	-1.3^m	Dec.7	16^h 05.7^m	-18^o 20^'	1.8^m
Jun.30	8^h 03.4^m	22^o 11^'	-0.3^m	Dec.15	16^h 03.4^m	-18^o 01^'	-0.1^m
Jul.12	9^h 12.3^m	16^o 26^'	0.3^m	Dec.23	16^h 32.9^m	-20^o 05^'	-0.4^m
Jul.24	9^h 51.0^m	10^o 46^'	0.9^m	Dec.31	17^h 16.2^m	-22^o 19^'	-0.3^m

Note: All the times in this page are expressed in universal time (UT).
For Kyiv Local_Time=UT+2^h (and Local_Time=UT+3^h for summer time).