The Chandra schedule

3-day Schedule

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This page shows 3 days of the Chandra schedule, either side of today, and the total science exposure time for these observations is 4 days and 20 hours. The size of the circles indicate the exposure time, and the color shows whether the observation has been done, is running now, or is in the future; the same colors are used in the table below. For repeated observations it can be hard to make out what is going on, since the circles overlap! The shaded regions trace the Milky Way galaxy. The points are plotted in the Equatorial coordinate system, using the Aitoff projection.

Target	Object type	Exposure time	Start	Instrument	Joint with	Turnaround	Constraints	Right Ascension	Declination	Constellation
2RXS J072007.5+215916	Unidentified	2 hours and 40 minutes	3 days ago	ACIS-S	n/a	None	n/a	07^h 20^m 07.4^s	+21° 58' 56.1"	Gem
CAL-ER (41827)		15 minutes and 40 seconds	3 days ago	n/a	n/a	n/a	n/a	12^h 37^m 23.2^s	+02° 53' 50.8"	n/a
NGC4536	HII Galaxy	7 hours and 28 minutes	3 days ago	ACIS-S	n/a	None	n/a	12^h 34^m 27.1^s	+02° 11' 16.4"	Vir
NGC1317	Galaxy in Pair of Galaxies	11 hours and 35 minutes	3 days ago	ACIS-S	n/a	None	n/a	03^h 22^m 44.3^s	-37° 06' 13.7"	For
SDSS J080704.32+210208.6	Quasar	2 hours and 56 minutes	2 days ago	ACIS-S	NRAO	None	n/a	08^h 07^m 04.3^s	+21° 02' 08.7"	Cnc
CAL-ER (41825)		50 minutes	2 days ago	n/a	n/a	n/a	n/a	07^h 11^m 53.0^s	+24° 00' 45.0"	n/a
8C 1435+638	Quasar	5 hours and 4 minutes	2 days ago	ACIS-S	n/a	None	n/a	14^h 36^m 45.8^s	+63° 36' 37.9"	Dra
Perseus cluster	Cluster of Galaxies	4 hours and 41 minutes	1 day ago	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 30' 42.2"	Per
BOSS1348	Spectroscopic Binary	8 hours and 15 minutes	1 day ago	ACIS-I	n/a	None	n/a	13^h 48^m 14.4^s	+23° 58' 48.0"	Boo
SDSS J080704.32+210208.6	Quasar	6 hours and 6 minutes	18 hours ago	ACIS-S	NRAO	None	n/a	08^h 07^m 04.3^s	+21° 02' 08.7"	Cnc
CAL-ER (41820)		15 minutes	11 hours ago	n/a	n/a	n/a	n/a	14^h 16^m 43.2^s	+41° 37' 58.8"	n/a
2MASX J01110461-4558435	Galaxy in Cluster of Galaxies	4 hours and 10 minutes	10 hours ago	ACIS-S	n/a	None	Time Critical, Monitoring	01^h 11^m 04.6^s	-45° 58' 43.7"	Phe
CAL-ER (41819)		15 minutes	6 hours ago	n/a	n/a	n/a	n/a	06^h 30^m 54.5^s	+15° 20' 18.6"	n/a
ACT-CLJ0808.7+1420	Cluster of Galaxies	4 hours and 35 minutes	now	ACIS-S	n/a	None	n/a	08^h 08^m 47.4^s	+14° 20' 60.0"	Cnc
CAL-ER (41818)		15 minutes	in 33 minutes	n/a	n/a	n/a	n/a	14^h 16^m 43.2^s	+41° 37' 58.8"	n/a
2MASX J01110461-4558435	Galaxy in Cluster of Galaxies	3 hours and 53 minutes	in 2 hours	ACIS-S	n/a	None	Time Critical, Monitoring	01^h 11^m 04.6^s	-45° 58' 43.7"	Phe
Perseus cluster	Cluster of Galaxies	4 hours and 51 minutes	in 6 hours	ACIS-I	n/a	None	Time Critical	03^h 19^m 48.2^s	+41° 30' 42.2"	Per
SDSS J111749.18+044315.5	Unidentified	1 hour and 55 minutes	in 12 hours	ACIS-S	HST	None	n/a	11^h 17^m 49.2^s	+04° 43' 15.5"	Leo
CAL-ER (41817)		16 minutes and 40 seconds	in 15 hours	n/a	n/a	n/a	n/a	00^h 08^m 00.0^s	+31° 58' 48.0"	n/a
CAL-ER (41816)		1 hour and 23 minutes	in 15 hours	n/a	n/a	n/a	n/a	06^h 51^m 60.0^s	+24° 00' 00.0"	n/a
CAL-ER (41815)		50 minutes	in 17 hours	n/a	n/a	n/a	n/a	00^h 08^m 00.0^s	+31° 58' 48.0"	n/a
CAL-ER (41814)		50 minutes	in 19 hours	n/a	n/a	n/a	n/a	05^h 13^m 31.4^s	-36° 27' 43.2"	n/a
CAL-ER (41813)		50 minutes	in 22 hours	n/a	n/a	n/a	n/a	07^h 15^m 19.1^s	+19° 05' 31.9"	n/a
CAL-ER (41812)		16 minutes and 40 seconds	in 1 day	n/a	n/a	n/a	n/a	01^h 57^m 38.5^s	-73° 35' 40.2"	n/a
WISEA J181745.37+471614.7	Star	2 hours and 46 minutes	in 1 day	ACIS-S	n/a	None	n/a	18^h 17^m 45.4^s	+47° 16' 14.6"	Lyr
SDSS J075130.56+315414.3	Quasar	3 hours and 40 minutes	in 1 day	ACIS-S	NRAO	None	n/a	07^h 51^m 30.6^s	+31° 54' 14.4"	Gem
CAL-ER (41811)		15 minutes	in 1 day	n/a	n/a	n/a	n/a	14^h 16^m 43.2^s	+41° 37' 58.8"	n/a
2MASX J01110461-4558435	Galaxy in Cluster of Galaxies	3 hours and 28 minutes	in 1 day	ACIS-S	n/a	None	Time Critical, Monitoring	01^h 11^m 04.6^s	-45° 58' 43.7"	Phe
CAL-ER (41810)		15 minutes	in 2 days	n/a	n/a	n/a	n/a	06^h 30^m 54.5^s	+15° 20' 18.6"	n/a
SDSS J075130.56+315414.3	Quasar	3 hours and 32 minutes	in 2 days	ACIS-S	NRAO	None	n/a	07^h 51^m 30.6^s	+31° 54' 14.4"	Gem
CAL-ER (41809)		15 minutes	in 2 days	n/a	n/a	n/a	n/a	14^h 16^m 43.2^s	+41° 37' 58.8"	n/a
2MASX J01110461-4558435	Galaxy in Cluster of Galaxies	4 hours and 1 minute	in 2 days	ACIS-S	n/a	None	Time Critical, Monitoring	01^h 11^m 04.6^s	-45° 58' 43.7"	Phe
CAL-ER (41808)		15 minutes	in 2 days	n/a	n/a	n/a	n/a	06^h 30^m 54.5^s	+15° 20' 18.6"	n/a
PSZ2 G204.24+14.51	Cluster of Galaxies	1 hour and 23 minutes	in 2 days	ACIS-S	n/a	None	n/a	07^h 28^m 35.3^s	+14° 07' 42.6"	Gem
NGC4694	Active Galaxy Nucleus	8 hours and 36 minutes	in 2 days	ACIS-S	n/a	None	n/a	12^h 48^m 15.1^s	+10° 59' 00.6"	Vir
ACT-CLJ0808.7+1420	Cluster of Galaxies	4 hours and 10 minutes	in 3 days	ACIS-S	n/a	None	n/a	08^h 08^m 47.4^s	+14° 20' 60.0"	Cnc
SDSS J143154.09+215618.3	Active Galaxy Nucleus	4 hours and 4 minutes	in 3 days	ACIS-S	n/a	None	n/a	14^h 31^m 54.1^s	+21° 56' 18.3"	Boo
CAL-ER (41807)		15 minutes	in 3 days	n/a	n/a	n/a	n/a	14^h 24^m 21.8^s	+22° 04' 26.4"	n/a
ACT-CLJ0808.7+1420	Cluster of Galaxies	5 hours and 8 minutes	in 3 days	ACIS-S	n/a	None	n/a	08^h 08^m 47.4^s	+14° 20' 60.0"	Cnc
CAL-ER (41806)		50 minutes	in 3 days	n/a	n/a	n/a	n/a	14^h 18^m 00.0^s	-07° 40' 01.2"	n/a
CAL-ER (41805)		50 minutes	in 3 days	n/a	n/a	n/a	n/a	08^h 07^m 60.0^s	+25° 00' 00.0"	n/a
CAL-ER (41804)		50 minutes	in 3 days	n/a	n/a	n/a	n/a	07^h 15^m 60.0^s	+17° 00' 00.0"	n/a
CAL-ER (41803)		50 minutes	in 3 days	n/a	n/a	n/a	n/a	23^h 03^m 60.0^s	-50° 00' 00.0"	n/a
CAL-ER (41802)		50 minutes	in 4 days	n/a	n/a	n/a	n/a	07^h 07^m 57.8^s	+12° 36' 57.6"	n/a
CAL-ER (41801)		20 minutes	in 4 days	n/a	n/a	n/a	n/a	04^h 27^m 18.0^s	-57° 13' 01.2"	n/a
NGC4689	HII Galaxy	7 hours and 46 minutes	in 4 days	ACIS-S	n/a	None	n/a	12^h 47^m 45.6^s	+13° 45' 45.4"	Com